Index

A B C D E F G H I J K L M N O P Q R S T U V
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form

A

A2AClientError - Exception in org.a2aproject.sdk.spec

Base exception for A2A client-specific error conditions.

A2AClientError() - Constructor for exception org.a2aproject.sdk.spec.A2AClientError

Constructs a new A2AClientError with no detail message.

A2AClientError(String) - Constructor for exception org.a2aproject.sdk.spec.A2AClientError

Constructs a new A2AClientError with the specified detail message.

A2AClientError(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientError

Constructs a new A2AClientError with the specified detail message and cause.

A2AClientException - Exception in org.a2aproject.sdk.spec

Exception indicating a client-side failure in A2A Protocol operations.

A2AClientException() - Constructor for exception org.a2aproject.sdk.spec.A2AClientException

Constructs a new A2AClientException with no detail message or cause.

A2AClientException(String) - Constructor for exception org.a2aproject.sdk.spec.A2AClientException

Constructs a new A2AClientException with the specified detail message.

A2AClientException(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientException

Constructs a new A2AClientException with the specified detail message and cause.

A2AClientException(Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientException

Constructs a new A2AClientException with the specified cause.

A2AClientHTTPError - Exception in org.a2aproject.sdk.spec

Client exception indicating an HTTP transport error with a specific status code.

A2AClientHTTPError(int, String, String, Map<String, List<String>>) - Constructor for exception org.a2aproject.sdk.spec.A2AClientHTTPError

Creates a new HTTP client error with the specified status code, message, response body, and headers.

A2AClientInvalidArgsError - Exception in org.a2aproject.sdk.spec

Client exception indicating invalid arguments provided to a client operation.

A2AClientInvalidArgsError() - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidArgsError

Creates a new invalid arguments error with no message.

A2AClientInvalidArgsError(String) - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidArgsError

Creates a new invalid arguments error with the specified message.

A2AClientInvalidArgsError(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidArgsError

Creates a new invalid arguments error with the specified message and cause.

A2AClientInvalidStateError - Exception in org.a2aproject.sdk.spec

Client exception indicating an invalid state for the requested operation.

A2AClientInvalidStateError() - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidStateError

Creates a new invalid state error with no message.

A2AClientInvalidStateError(String) - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidStateError

Creates a new invalid state error with the specified message.

A2AClientInvalidStateError(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientInvalidStateError

Creates a new invalid state error with the specified message and cause.

A2AClientJSONError - Exception in org.a2aproject.sdk.spec

Client exception indicating a JSON serialization or deserialization error.

A2AClientJSONError() - Constructor for exception org.a2aproject.sdk.spec.A2AClientJSONError

Creates a new JSON error with no message.

A2AClientJSONError(String) - Constructor for exception org.a2aproject.sdk.spec.A2AClientJSONError

Creates a new JSON error with the specified message.

A2AClientJSONError(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AClientJSONError

Creates a new JSON error with the specified message and cause.

A2AError - Exception in org.a2aproject.sdk.spec

Marker interface for A2A Protocol error events.

A2AError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.A2AError

Constructs a JSON-RPC error with the specified code, message, and optional details.

A2AErrorCodes - Enum Class in org.a2aproject.sdk.spec

All the error codes for A2A errors.

A2AException - Exception in org.a2aproject.sdk.spec

Base exception for A2A Protocol-related failures.

A2AException() - Constructor for exception org.a2aproject.sdk.spec.A2AException

Constructs a new A2AException instance.

A2AException(String) - Constructor for exception org.a2aproject.sdk.spec.A2AException

Constructs a new A2AException instance with an initial message.

A2AException(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AException

Constructs a new A2AException instance with an initial message and cause.

A2AException(Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AException

Constructs a new A2AException instance with an initial cause.

A2AMethods - Interface in org.a2aproject.sdk.spec

Constants defining the A2A protocol method names.

A2AProtocolError - Exception in org.a2aproject.sdk.spec

Represents a protocol-level error in the A2A Protocol.

A2AProtocolError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.A2AProtocolError

Constructs a protocol error with the specified code, message, and details.

A2AServerException - Exception in org.a2aproject.sdk.spec

Exception indicating a server-side failure in A2A Protocol operations.

A2AServerException() - Constructor for exception org.a2aproject.sdk.spec.A2AServerException

Creates a new A2AServerException with no message.

A2AServerException(String) - Constructor for exception org.a2aproject.sdk.spec.A2AServerException

Creates a new A2AServerException with the specified message.

A2AServerException(String, Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AServerException

Creates a new A2AServerException with the specified message and cause.

A2AServerException(Throwable) - Constructor for exception org.a2aproject.sdk.spec.A2AServerException

Creates a new A2AServerException with the specified cause.

acceptedOutputModes() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns the value of the acceptedOutputModes record component.

acceptedOutputModes(List<String>) - Method in class org.a2aproject.sdk.spec.MessageSendConfiguration.Builder

Sets the accepted output modes.

addCompat03FieldsIfAvailable(AgentCard.Builder, List<AgentInterface>, String, String) - Static method in class org.a2aproject.sdk.spec.Compat03Fields

additionalInterfaces() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the additionalInterfaces record component.

additionalInterfaces(List<Legacy_0_3_AgentInterface>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

AgentCapabilities - Record Class in org.a2aproject.sdk.spec

Defines optional capabilities supported by an agent in the A2A Protocol.

AgentCapabilities(boolean, boolean, boolean, List<AgentExtension>) - Constructor for record class org.a2aproject.sdk.spec.AgentCapabilities

Creates an instance of a AgentCapabilities record class.

AgentCapabilities.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable AgentCapabilities instances.

AgentCard - Record Class in org.a2aproject.sdk.spec

The AgentCard is a self-describing manifest for an agent in the A2A Protocol.

AgentCard(String, String, AgentProvider, String, String, AgentCapabilities, List<String>, List<String>, List<AgentSkill>, Map<String, SecurityScheme>, List<SecurityRequirement>, String, List<AgentInterface>, List<AgentCardSignature>, String, String, List<Legacy_0_3_AgentInterface>) - Constructor for record class org.a2aproject.sdk.spec.AgentCard

Compact constructor that validates required fields.

AgentCard.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable AgentCard instances.

AgentCardSignature - Record Class in org.a2aproject.sdk.spec

Represents a digital signature for an AgentCard using JSON Web Signature (JWS) format.

AgentCardSignature(Map<String, Object>, String, String) - Constructor for record class org.a2aproject.sdk.spec.AgentCardSignature

Compact constructor that validates required fields.

AgentCardSignature.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable AgentCardSignature instances.

AgentExtension - Record Class in org.a2aproject.sdk.spec

Represents a protocol extension supported by an agent.

AgentExtension(String, Map<String, Object>, boolean, String) - Constructor for record class org.a2aproject.sdk.spec.AgentExtension

Compact constructor that validates required fields.

AgentExtension.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable AgentExtension instances.

AgentInterface - Record Class in org.a2aproject.sdk.spec

Declares a combination of a target URL and protocol binding for accessing an agent.

AgentInterface(String, String) - Constructor for record class org.a2aproject.sdk.spec.AgentInterface

Convenience constructor for creating an AgentInterface with default protocol version and no tenant.

AgentInterface(String, String, String, String) - Constructor for record class org.a2aproject.sdk.spec.AgentInterface

Compact constructor that validates required fields.

AgentInterface(String, String, String) - Constructor for record class org.a2aproject.sdk.spec.AgentInterface

Convenience constructor for creating an AgentInterface with specified tenant and default protocol version.

AgentProvider - Record Class in org.a2aproject.sdk.spec

Represents information about the organization or entity providing an agent.

AgentProvider(String, String) - Constructor for record class org.a2aproject.sdk.spec.AgentProvider

Compact constructor that validates required fields.

AgentSkill - Record Class in org.a2aproject.sdk.spec

Represents a distinct skill or capability that an agent can perform in the A2A Protocol.

AgentSkill(String, String, String, List<String>, List<String>, List<String>, List<String>, List<SecurityRequirement>) - Constructor for record class org.a2aproject.sdk.spec.AgentSkill

Compact constructor that validates required fields.

AgentSkill.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable AgentSkill instances.

APIKeySecurityScheme - Record Class in org.a2aproject.sdk.spec

API key security scheme for agent authentication.

APIKeySecurityScheme(APIKeySecurityScheme.Location, String, String) - Constructor for record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Compact constructor with validation.

APIKeySecurityScheme.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable APIKeySecurityScheme instances.

APIKeySecurityScheme.Location - Enum Class in org.a2aproject.sdk.spec

Represents the location of the API key.

append() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the append record component.

append(Boolean) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets whether this update should append to an existing artifact.

appendArtifactToTask(Task, TaskArtifactUpdateEvent, String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Appends or updates an artifact in a task based on a TaskArtifactUpdateEvent.

artifact() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the artifact record component.

artifact(Artifact) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets the artifact being updated.

Artifact - Record Class in org.a2aproject.sdk.spec

Represents a file, data structure, or other resource generated by an agent during task execution.

Artifact(String, String, String, List<Part<?>>, Map<String, Object>, List<String>) - Constructor for record class org.a2aproject.sdk.spec.Artifact

Compact constructor that validates required fields.

Artifact.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable Artifact instances.

artifactId() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the artifactId record component.

artifactId(String) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets the unique identifier for this artifact.

artifacts() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the artifacts record component.

artifacts(List<Artifact>) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the list of artifacts produced by the agent during task execution.

asString() - Method in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

Converts this location to its string representation.

asString() - Method in enum class org.a2aproject.sdk.spec.TransportProtocol

Returns the string representation of this transport protocol.

authentication() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the authentication record component.

authentication(AuthenticationInfo) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets complex authentication information.

AuthenticationInfo - Record Class in org.a2aproject.sdk.spec

Authentication information for agent authentication and push notification endpoints.

AuthenticationInfo(String, String) - Constructor for record class org.a2aproject.sdk.spec.AuthenticationInfo

Compact constructor that validates required fields.

authorizationCode() - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Returns the value of the authorizationCode record component.

authorizationCode(AuthorizationCodeOAuthFlow) - Method in class org.a2aproject.sdk.spec.OAuthFlows.Builder

Sets the authorization code flow configuration.

AuthorizationCodeOAuthFlow - Record Class in org.a2aproject.sdk.spec

Configuration for the OAuth 2.0 Authorization Code flow.

AuthorizationCodeOAuthFlow(String, String, Map<String, String>, String, boolean) - Constructor for record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Compact constructor that validates required fields.

authorizationUrl() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns the value of the authorizationUrl record component.

B

bearerFormat() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Returns the value of the bearerFormat record component.

bearerFormat(String) - Method in class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme.Builder

Sets the bearer token format hint.

build() - Method in class org.a2aproject.sdk.spec.AgentCapabilities.Builder

Builds an immutable AgentCapabilities from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Builds an immutable AgentCard from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.AgentCardSignature.Builder

Builds a new immutable AgentCardSignature from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.AgentExtension.Builder

Builds a new immutable AgentExtension from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Builds an immutable AgentSkill from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.APIKeySecurityScheme.Builder

Builds a new immutable APIKeySecurityScheme from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Builds a new immutable Artifact from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.CancelTaskParams.Builder

Builds the TaskIdParams.

build() - Method in class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams.Builder

Builds a new DeleteTaskPushNotificationConfigParams from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams.Builder

Builds the parameters instance.

build() - Method in class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme.Builder

Builds the HTTPAuthSecurityScheme instance.

build() - Method in class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams.Builder

Builds the ListTaskPushNotificationConfigsParams.

build() - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Builds the ListTasksParams.

build() - Method in class org.a2aproject.sdk.spec.Message.Builder

Builds a new Message from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.MessageSendConfiguration.Builder

Builds the MessageSendConfiguration.

build() - Method in class org.a2aproject.sdk.spec.MessageSendParams.Builder

Builds the MessageSendParams.

build() - Method in class org.a2aproject.sdk.spec.OAuth2SecurityScheme.Builder

Builds a new immutable OAuth2SecurityScheme from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.OAuthFlows.Builder

Builds a new immutable OAuthFlows instance.

build() - Method in class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme.Builder

Builds a new immutable OpenIdConnectSecurityScheme from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.SecurityRequirement.Builder

Builds an immutable SecurityRequirement from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.Task.Builder

Builds an immutable Task from the current builder state.

build() - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Builds the TaskArtifactUpdateEvent.

build() - Method in class org.a2aproject.sdk.spec.TaskIdParams.Builder

Builds the TaskIdParams.

build() - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Builds the TaskPushNotificationConfig.

build() - Method in class org.a2aproject.sdk.spec.TaskQueryParams.Builder

Builds the TaskQueryParams.

build() - Method in class org.a2aproject.sdk.spec.TaskStatusUpdateEvent.Builder

Builds the TaskStatusUpdateEvent.

buildBaseUrl(String, String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Builds a base URL by combining a raw base URL string with an optional tenant path.

buildBaseUrl(AgentInterface, String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Builds a base URL for A2A operations by combining the agent's URL with a tenant path.

buildCardUrl(String, String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Normalizes baseUrl and cardPath and concatenates them into a full card URL.

builder() - Static method in record class org.a2aproject.sdk.spec.AgentCapabilities

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.AgentCard

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.AgentCardSignature

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.AgentExtension

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.AgentSkill

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.Artifact

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.CancelTaskParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.ListTasksParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.Message

Creates a new Builder for constructing Message instances.

builder() - Static method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.MessageSendParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.OAuthFlows

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.SecurityRequirement

Creates a new Builder for constructing SecurityRequirement instances.

builder() - Static method in record class org.a2aproject.sdk.spec.Task

Creates a new Builder for constructing Task instances.

builder() - Static method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Creates a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.TaskIdParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.TaskQueryParams

Create a new Builder

builder() - Static method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Create a new Builder

builder(AgentCard) - Static method in record class org.a2aproject.sdk.spec.AgentCard

Create a new Builder initialized with values from an existing AgentCard.

builder(Artifact) - Static method in record class org.a2aproject.sdk.spec.Artifact

Create a new Builder initialized with values from an existing Artifact.

builder(Message) - Static method in record class org.a2aproject.sdk.spec.Message

Creates a new Builder initialized with values from an existing Message.

builder(Task) - Static method in record class org.a2aproject.sdk.spec.Task

Creates a new Builder initialized with values from an existing Task.

builder(TaskArtifactUpdateEvent) - Static method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Creates a new Builder initialized with values from an existing TaskArtifactUpdateEvent.

builder(TaskPushNotificationConfig) - Static method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Create a new Builder initialized with values from an existing TaskPushNotificationConfig.

builder(TaskStatusUpdateEvent) - Static method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Create a new Builder initialized with values from an existing TaskStatusUpdateEvent.

bytes() - Method in class org.a2aproject.sdk.spec.FileWithBytes

Returns the base64-encoded file content.

C

CANCEL_TASK_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for canceling a task.

CancelTaskParams - Record Class in org.a2aproject.sdk.spec

Parameters for cancelling a task.

CancelTaskParams(String) - Constructor for record class org.a2aproject.sdk.spec.CancelTaskParams

Convenience constructor with default tenant.

CancelTaskParams(String, String, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.CancelTaskParams

Compact constructor for validation.

CancelTaskParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing instances.

capabilities() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the capabilities record component.

capabilities(AgentCapabilities) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the capabilities supported by this agent.

clientCredentials() - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Returns the value of the clientCredentials record component.

clientCredentials(ClientCredentialsOAuthFlow) - Method in class org.a2aproject.sdk.spec.OAuthFlows.Builder

Sets the client credentials flow configuration.

ClientCredentialsOAuthFlow - Record Class in org.a2aproject.sdk.spec

Configuration for the OAuth 2.0 Client Credentials flow.

ClientCredentialsOAuthFlow(String, Map<String, String>, String) - Constructor for record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Compact constructor that validates required fields.

code() - Method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Returns the JSON-RPC error code.

CollectionCopies - Class in org.a2aproject.sdk.spec.util

Utility methods for creating defensive copies of collection fields.

Compat03Fields - Class in org.a2aproject.sdk.spec

configs() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Returns the value of the configs record component.

configuration() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns the value of the configuration record component.

configuration(MessageSendConfiguration) - Method in class org.a2aproject.sdk.spec.MessageSendParams.Builder

Sets the optional configuration for message processing.

CONTENT_TYPE_NOT_SUPPORTED - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the content type is not supported (-32005).

ContentTypeNotSupportedError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating incompatibility between requested content types and agent capabilities.

ContentTypeNotSupportedError() - Constructor for exception org.a2aproject.sdk.spec.ContentTypeNotSupportedError

ContentTypeNotSupportedError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.ContentTypeNotSupportedError

Constructs a content type not supported error.

contextId() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the contextId record component.

contextId() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the contextId record component.

contextId() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the contextId record component.

contextId() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the contextId record component.

contextId() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns the value of the contextId record component.

contextId(String) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the contextId.

contextId(String) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the conversation context identifier.

contextId(String) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the context identifier associating this task with a conversation or session.

contextId(String) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets the context identifier.

contextId(String) - Method in class org.a2aproject.sdk.spec.TaskStatusUpdateEvent.Builder

Sets the context identifier.

COOKIE - Enum constant in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

API key sent in a cookie.

credentials() - Method in record class org.a2aproject.sdk.spec.AuthenticationInfo

Returns the value of the credentials record component.

CURRENT_PROTOCOL_VERSION - Static variable in record class org.a2aproject.sdk.spec.AgentInterface

The default A2A Protocol version used when not explicitly specified.

D

data() - Method in record class org.a2aproject.sdk.spec.DataPart

Returns the value of the data record component.

DATA - Static variable in record class org.a2aproject.sdk.spec.DataPart

The JSON member name discriminator for data parts: "data".

DataPart - Record Class in org.a2aproject.sdk.spec

Represents a structured data content part within a Message or Artifact.

DataPart(Object) - Constructor for record class org.a2aproject.sdk.spec.DataPart

Constructor.

DataPart(Object, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.DataPart

Compact constructor with validation.

DEFAULT_AGENT_CARD_PATH - Static variable in class org.a2aproject.sdk.spec.util.Utils

defaultIfNull(T, T) - Static method in class org.a2aproject.sdk.spec.util.Utils

Returns the provided value if non-null, otherwise returns the default value.

defaultInputModes() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the defaultInputModes record component.

defaultInputModes(List<String>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the list of supported input modes.

defaultOutputModes() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the defaultOutputModes record component.

defaultOutputModes(List<String>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the list of supported output modes.

DELETE_TASK_PUSH_NOTIFICATION_CONFIG_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for deleting task push notification configuration.

DeleteTaskPushNotificationConfigParams - Record Class in org.a2aproject.sdk.spec

Parameters for deleting a push notification configuration from a task.

DeleteTaskPushNotificationConfigParams(String, String) - Constructor for record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Creates parameters without optional metadata.

DeleteTaskPushNotificationConfigParams(String, String, String) - Constructor for record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Compact constructor that validates required fields.

DeleteTaskPushNotificationConfigParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing DeleteTaskPushNotificationConfigParams instances.

description() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Returns the value of the description record component.

description() - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Returns the value of the description record component.

description() - Method in interface org.a2aproject.sdk.spec.SecurityScheme

Returns the human-readable description of this security scheme.

description(String) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets a brief description of the artifact's purpose or content.

description(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets a brief description of the agent's purpose and functionality.

description(String) - Method in class org.a2aproject.sdk.spec.AgentExtension.Builder

Sets a human-readable description of the extension's purpose.

description(String) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets a detailed description of what the skill does and how to use it.

description(String) - Method in class org.a2aproject.sdk.spec.APIKeySecurityScheme.Builder

Sets the human-readable description of the security scheme.

description(String) - Method in class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme.Builder

Sets an optional description of the security scheme.

description(String) - Method in class org.a2aproject.sdk.spec.OAuth2SecurityScheme.Builder

Sets the human-readable description of the security scheme.

description(String) - Method in class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme.Builder

Sets the human-readable description of the security scheme.

deviceAuthorizationUrl() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns the value of the deviceAuthorizationUrl record component.

deviceCode() - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Returns the value of the deviceCode record component.

deviceCode(DeviceCodeOAuthFlow) - Method in class org.a2aproject.sdk.spec.OAuthFlows.Builder

Sets the device code flow configuration.

DeviceCodeOAuthFlow - Record Class in org.a2aproject.sdk.spec

Configuration details for the OAuth 2.0 Device Code flow (RFC 8628).

DeviceCodeOAuthFlow(String, String, String, Map<String, String>) - Constructor for record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Compact constructor that validates required fields.

documentationUrl() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the documentationUrl record component.

documentationUrl(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the URL to human-readable documentation for the agent.

domain() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns the value of the domain record component.

E

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentCard

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentExtension

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentInterface

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentProvider

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AgentSkill

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.Artifact

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AuthenticationInfo

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.DataPart

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.FilePart

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in class org.a2aproject.sdk.spec.FileWithBytes

Compares this FileWithBytes to another object for equality.

equals(Object) - Method in record class org.a2aproject.sdk.spec.FileWithUri

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.GetExtendedAgentCardParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.Message

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.SecurityRequirement

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.Task

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskIdParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskStatus

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.TextPart

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class org.a2aproject.sdk.spec.util.PageToken

Indicates whether some other object is "equal to" this one.

ERROR_DOMAIN - Static variable in record class org.a2aproject.sdk.spec.util.ErrorDetail

ERROR_INFO_TYPE - Static variable in record class org.a2aproject.sdk.spec.util.ErrorDetail

ErrorDetail - Record Class in org.a2aproject.sdk.spec.util

Represents a single entry in the JSON-RPC error.data array, following the Google ErrorInfo format (type.googleapis.com/google.rpc.ErrorInfo).

ErrorDetail(String, String, String, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.util.ErrorDetail

Creates an instance of a ErrorDetail record class.

Event - Interface in org.a2aproject.sdk.spec

Marker interface for all event types in the A2A Protocol.

EventKind - Interface in org.a2aproject.sdk.spec

Interface for events that can be returned from non-streaming A2A Protocol operations.

examples() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the examples record component.

examples(List<String>) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets example queries or use cases demonstrating the skill.

EXTENDED_AGENT_CARD_NOT_CONFIGURED - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating extended agent card is not configured (-32007).

extendedAgentCard() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns the value of the extendedAgentCard record component.

extendedAgentCard(boolean) - Method in class org.a2aproject.sdk.spec.AgentCapabilities.Builder

Sets whether the agent supports an extended agent card.

ExtendedAgentCardNotConfiguredError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that the agent does not have an authenticated extended card configured.

ExtendedAgentCardNotConfiguredError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.ExtendedAgentCardNotConfiguredError

Constructs an error for agents that don't support authenticated extended card retrieval.

EXTENSION_SUPPORT_REQUIRED - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating client requested use of an extension marked as required: true in the Agent Card but the client did not declare support for it in the request (-32008).

extensions() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns the value of the extensions record component.

extensions() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the extensions record component.

extensions() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the extensions record component.

extensions(List<String>) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets the list of protocol extensions used in this artifact.

extensions(List<String>) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the list of protocol extensions used in this message.

extensions(List<AgentExtension>) - Method in class org.a2aproject.sdk.spec.AgentCapabilities.Builder

Sets the list of custom extensions supported by the agent.

ExtensionSupportRequiredError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that a client requested use of an extension marked as required but did not declare support for it.

ExtensionSupportRequiredError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.ExtensionSupportRequiredError

Constructs an error when a client requests a required extension without declaring support.

F

file() - Method in record class org.a2aproject.sdk.spec.FilePart

Returns the value of the file record component.

FILE - Static variable in record class org.a2aproject.sdk.spec.FilePart

The JSON member name discriminator for file parts: "file".

FileContent - Interface in org.a2aproject.sdk.spec

Sealed interface representing file content in the A2A Protocol.

FilePart - Record Class in org.a2aproject.sdk.spec

Represents a file content part within a Message or Artifact.

FilePart(FileContent) - Constructor for record class org.a2aproject.sdk.spec.FilePart

Constructor.

FilePart(FileContent, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.FilePart

Compact constructor with validation.

FileWithBytes - Class in org.a2aproject.sdk.spec

Represents file content embedded directly as base64-encoded bytes.

FileWithBytes(String, File) - Constructor for class org.a2aproject.sdk.spec.FileWithBytes

Creates a FileWithBytes by reading the content of the given File.

FileWithBytes(String, String, byte[]) - Constructor for class org.a2aproject.sdk.spec.FileWithBytes

Creates a FileWithBytes by base64-encoding the given raw byte array.

FileWithBytes(String, String, String) - Constructor for class org.a2aproject.sdk.spec.FileWithBytes

Creates a FileWithBytes with pre-encoded base64 content.

FileWithBytes(String, Path) - Constructor for class org.a2aproject.sdk.spec.FileWithBytes

Creates a FileWithBytes by reading the content of the given Path.

FileWithUri - Record Class in org.a2aproject.sdk.spec

Represents file content referenced by a URI location.

FileWithUri(String, String, String) - Constructor for record class org.a2aproject.sdk.spec.FileWithUri

Creates an instance of a FileWithUri record class.

flows() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Returns the value of the flows record component.

flows(OAuthFlows) - Method in class org.a2aproject.sdk.spec.OAuth2SecurityScheme.Builder

Sets the OAuth flows configuration.

fromCode(int) - Static method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Looks up an error code enum constant by its JSON-RPC numeric code.

fromJson(String) - Static method in record class org.a2aproject.sdk.spec.DataPart

Creates a DataPart by parsing a JSON string into its corresponding Java type.

fromJson(String, Map<String, Object>) - Static method in record class org.a2aproject.sdk.spec.DataPart

Creates a DataPart by parsing a JSON string into its corresponding Java type, with optional metadata.

fromString(String) - Static method in record class org.a2aproject.sdk.spec.util.PageToken

Parses a pageToken string into a PageToken record.

fromString(String) - Static method in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

Converts a string to a Location enum value.

fromString(String) - Static method in enum class org.a2aproject.sdk.spec.TransportProtocol

Parses a string into a TransportProtocol enum constant.

G

GET_EXTENDED_AGENT_CARD_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for getting extended agent card information.

GET_TASK_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for getting a task.

GET_TASK_PUSH_NOTIFICATION_CONFIG_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for getting task push notification configuration.

getCode() - Method in exception org.a2aproject.sdk.spec.A2AClientHTTPError

Gets the HTTP status code.

getCode() - Method in exception org.a2aproject.sdk.spec.A2AError

Gets the numeric error code indicating the error type.

getDetails() - Method in exception org.a2aproject.sdk.spec.A2AError

Gets additional details about the error as key-value pairs.

getEffectiveHistoryLength() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the effective history length (defaults to 0 if not specified).

getEffectivePageSize() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Validates and returns the effective page size (between 1 and 100, defaults to 100).

getEffectivePageSize() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the effective page size (defaults to 50 if not specified).

GetExtendedAgentCardParams - Record Class in org.a2aproject.sdk.spec

Parameters to get the extended agent card.

GetExtendedAgentCardParams(String) - Constructor for record class org.a2aproject.sdk.spec.GetExtendedAgentCardParams

Creates an instance of a GetExtendedAgentCardParams record class.

getFavoriteInterface(AgentCard) - Static method in class org.a2aproject.sdk.spec.util.Utils

Get the first defined URL in the supported interaces of the agent card.

getMessage() - Method in exception org.a2aproject.sdk.spec.A2AClientHTTPError

Gets the error message.

getResponseBody() - Method in exception org.a2aproject.sdk.spec.A2AClientHTTPError

Returns the raw HTTP response body, if available.

getResponseHeaders() - Method in exception org.a2aproject.sdk.spec.A2AClientHTTPError

Returns the HTTP response headers.

GetTaskPushNotificationConfigParams - Record Class in org.a2aproject.sdk.spec

Parameters for retrieving push notification configuration for a specific task.

GetTaskPushNotificationConfigParams(String, String) - Constructor for record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Convenience constructor for creating parameters without tenant.

GetTaskPushNotificationConfigParams(String, String, String) - Constructor for record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Compact constructor that validates required fields.

GetTaskPushNotificationConfigParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing GetTaskPushNotificationConfigParams instances.

GRPC - Enum constant in enum class org.a2aproject.sdk.spec.TransportProtocol

gRPC binary transport protocol.

grpcStatus() - Method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Returns the corresponding gRPC status name.

H

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentProvider

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AuthenticationInfo

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.DataPart

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.FilePart

Returns a hash code value for this object.

hashCode() - Method in class org.a2aproject.sdk.spec.FileWithBytes

Returns the identity hash code for this FileWithBytes.

hashCode() - Method in record class org.a2aproject.sdk.spec.FileWithUri

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.GetExtendedAgentCardParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.Message

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.SecurityRequirement

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.Task

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskIdParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskStatus

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.TextPart

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns a hash code value for this object.

hashCode() - Method in record class org.a2aproject.sdk.spec.util.PageToken

Returns a hash code value for this object.

hasMoreResults() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Returns whether there are more results available.

header() - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Returns the value of the header record component.

header(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.AgentCardSignature.Builder

Sets the optional unprotected header with additional metadata.

HEADER - Enum constant in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

API key sent in an HTTP header.

history() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the history record component.

history(List<Message>) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the conversation history for this task.

history(Message...) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the conversation history using a varargs array of messages.

historyLength() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the historyLength record component.

historyLength() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns the value of the historyLength record component.

historyLength() - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Returns the value of the historyLength record component.

historyLength(Integer) - Method in class org.a2aproject.sdk.spec.MessageSendConfiguration.Builder

Sets the conversation history length.

historyLength(Integer) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the historyLength.

historyLength(Integer) - Method in class org.a2aproject.sdk.spec.TaskQueryParams.Builder

Sets the historyLength.

HTTP_JSON - Enum constant in enum class org.a2aproject.sdk.spec.TransportProtocol

HTTP+JSON RESTful transport protocol.

HTTPAuthSecurityScheme - Record Class in org.a2aproject.sdk.spec

HTTP authentication security scheme for agent authentication.

HTTPAuthSecurityScheme(String, String, String) - Constructor for record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Compact constructor with validation.

HTTPAuthSecurityScheme.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing HTTPAuthSecurityScheme instances.

httpCode() - Method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Returns the HTTP status code.

I

iconUrl() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the iconUrl record component.

iconUrl(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the URL to an icon representing the agent.

id() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.TaskIdParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Returns the value of the id record component.

id() - Method in record class org.a2aproject.sdk.spec.util.PageToken

Returns the value of the id record component.

id(String) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets the unique identifier for the skill.

id(String) - Method in class org.a2aproject.sdk.spec.CancelTaskParams.Builder

Sets the id.

id(String) - Method in class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams.Builder

Sets the push notification configuration ID to delete.

id(String) - Method in class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams.Builder

Sets the push notification configuration ID.

id(String) - Method in class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams.Builder

Sets the id.

id(String) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the unique identifier for this task.

id(String) - Method in class org.a2aproject.sdk.spec.TaskIdParams.Builder

Sets the id.

id(String) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets the configuration identifier.

id(String) - Method in class org.a2aproject.sdk.spec.TaskQueryParams.Builder

Sets the id.

immutableList(List<E>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an immutable defensive copy of a non-null list.

immutableListOrEmpty(List<E>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an immutable defensive copy of a nullable list, defaulting to an empty immutable list.

immutableMap(Map<K, V>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an immutable defensive copy of a non-null map.

immutableNullableList(List<E>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an immutable defensive copy of a nullable list.

immutableNullableMap(Map<K, V>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an immutable defensive copy of a nullable map.

includeArtifacts() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the includeArtifacts record component.

includeArtifacts(Boolean) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the includeArtifacts.

inputModes() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the inputModes record component.

inputModes(List<String>) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets the supported input formats for this skill.

INTERNAL - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

JSON-RPC error code for internal server errors (-32603).

InternalError - Exception in org.a2aproject.sdk.spec

JSON-RPC error indicating an internal error occurred on the server.

InternalError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.InternalError

Constructs an internal error with full parameters.

InternalError(String) - Constructor for exception org.a2aproject.sdk.spec.InternalError

Constructs an internal error with a message.

INVALID_AGENT_RESPONSE - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the agent returned an invalid response (-32006).

INVALID_PARAMS - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

JSON-RPC error code for invalid method parameters (-32602).

INVALID_REQUEST - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

JSON-RPC error code for invalid request structure (-32600).

InvalidAgentResponseError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that an agent returned a response not conforming to protocol specifications.

InvalidAgentResponseError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.InvalidAgentResponseError

Constructs an invalid agent response error.

InvalidParamsError - Exception in org.a2aproject.sdk.spec

JSON-RPC error indicating that method parameters are invalid or missing required fields.

InvalidParamsError() - Constructor for exception org.a2aproject.sdk.spec.InvalidParamsError

Constructs an invalid params error with default message.

InvalidParamsError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.InvalidParamsError

Constructs an invalid params error with full parameters.

InvalidParamsError(String) - Constructor for exception org.a2aproject.sdk.spec.InvalidParamsError

Constructs an invalid params error with a message.

InvalidRequestError - Exception in org.a2aproject.sdk.spec

JSON-RPC error indicating that the request payload is not a valid JSON-RPC Request object.

InvalidRequestError() - Constructor for exception org.a2aproject.sdk.spec.InvalidRequestError

Constructs an invalid request error with default message.

InvalidRequestError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.InvalidRequestError

Constructs an invalid request error with full parameters.

InvalidRequestError(String) - Constructor for exception org.a2aproject.sdk.spec.InvalidRequestError

Constructs an invalid request error with a message.

isEmpty() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Return if the configs is empty or not.

isFinal() - Method in enum class org.a2aproject.sdk.spec.TaskState

Determines whether this state is a terminal (final) state.

isFinal() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Indicates if this is a final status event, derived from the task state.

isFinalOrInterrupted() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Indicates if the task is final or waiting for some inputs from the client.

isInterrupted() - Method in enum class org.a2aproject.sdk.spec.TaskState

Determines whether this state is an interrupted state.

J

JSON_PARSE - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

JSON-RPC error code for JSON parsing errors (-32700).

JSONParseError - Exception in org.a2aproject.sdk.spec

JSON-RPC error indicating that the server received invalid JSON that could not be parsed.

JSONParseError() - Constructor for exception org.a2aproject.sdk.spec.JSONParseError

Constructs a JSON parse error with default message.

JSONParseError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.JSONParseError

Constructs a JSON parse error with full parameters.

JSONParseError(String) - Constructor for exception org.a2aproject.sdk.spec.JSONParseError

Constructs a JSON parse error with a message.

JSONRPC - Enum constant in enum class org.a2aproject.sdk.spec.TransportProtocol

JSON-RPC 2.0 transport protocol over HTTP.

K

kind() - Method in interface org.a2aproject.sdk.spec.EventKind

Returns the type identifier for this event.

kind() - Method in record class org.a2aproject.sdk.spec.Message

kind() - Method in interface org.a2aproject.sdk.spec.StreamingEventKind

Returns the type identifier for this streaming event.

kind() - Method in record class org.a2aproject.sdk.spec.Task

kind() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

kind() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

L

lastChunk() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the lastChunk record component.

lastChunk(Boolean) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets whether this is the final chunk for the artifact.

Legacy_0_3_AgentInterface - Record Class in org.a2aproject.sdk.spec

A legacy (v0.3) representation of an agent interface, using the v0.3 field names (transport and url) for backward compatibility with older clients.

Legacy_0_3_AgentInterface(String, String) - Constructor for record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Creates an instance of a Legacy_0_3_AgentInterface record class.

LIST_TASK_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for listing tasks.

LIST_TASK_PUSH_NOTIFICATION_CONFIG_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for listing task push notification configurations.

ListTaskPushNotificationConfigsParams - Record Class in org.a2aproject.sdk.spec

Parameters for listing all push notification configurations for a task.

ListTaskPushNotificationConfigsParams(String) - Constructor for record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Convenience constructor with default tenant.

ListTaskPushNotificationConfigsParams(String, int, String, String) - Constructor for record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Compact constructor for validation.

ListTaskPushNotificationConfigsParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing instances.

ListTaskPushNotificationConfigsResult - Record Class in org.a2aproject.sdk.spec

Result of listing push notification configurations for a task with pagination support.

ListTaskPushNotificationConfigsResult(List<TaskPushNotificationConfig>) - Constructor for record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Constructor for results without pagination.

ListTaskPushNotificationConfigsResult(List<TaskPushNotificationConfig>, String) - Constructor for record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Compact constructor for validation.

ListTasksParams - Record Class in org.a2aproject.sdk.spec

Parameters for listing tasks with optional filtering and pagination.

ListTasksParams() - Constructor for record class org.a2aproject.sdk.spec.ListTasksParams

Default constructor for listing all tasks.

ListTasksParams(String, TaskState, Integer, String, Integer, Instant, Boolean, String) - Constructor for record class org.a2aproject.sdk.spec.ListTasksParams

Compact constructor for validation.

ListTasksParams(Integer, String) - Constructor for record class org.a2aproject.sdk.spec.ListTasksParams

Constructor with pagination.

ListTasksParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing instances.

location() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Returns the value of the location record component.

location(APIKeySecurityScheme.Location) - Method in class org.a2aproject.sdk.spec.APIKeySecurityScheme.Builder

Sets the location where the API key should be sent.

M

message() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns the value of the message record component.

message() - Method in record class org.a2aproject.sdk.spec.TaskStatus

Returns the value of the message record component.

message(Message) - Method in class org.a2aproject.sdk.spec.MessageSendParams.Builder

Sets the message to send to the agent.

Message - Record Class in org.a2aproject.sdk.spec

Represents a single message in the conversation between a user and an agent in the A2A Protocol.

Message(Message.Role, List<Part<?>>, String, String, String, List<String>, Map<String, Object>, List<String>) - Constructor for record class org.a2aproject.sdk.spec.Message

Compact constructor with validation and defensive copying.

Message.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing Message instances with fluent API.

Message.Role - Enum Class in org.a2aproject.sdk.spec

Defines the role of the message sender in the conversation.

messageId() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the messageId record component.

messageId(String) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the unique identifier for this message.

MessageSendConfiguration - Record Class in org.a2aproject.sdk.spec

Configuration options for message/send and message/stream requests.

MessageSendConfiguration(List<String>, Integer, TaskPushNotificationConfig, Boolean) - Constructor for record class org.a2aproject.sdk.spec.MessageSendConfiguration

Compact constructor for validation.

MessageSendConfiguration.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing MessageSendConfiguration instances.

MessageSendParams - Record Class in org.a2aproject.sdk.spec

Parameters for sending a message to an agent in the A2A Protocol.

MessageSendParams(Message, MessageSendConfiguration, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.MessageSendParams

Convenience constructor with default tenant.

MessageSendParams(Message, MessageSendConfiguration, Map<String, Object>, String) - Constructor for record class org.a2aproject.sdk.spec.MessageSendParams

Compact constructor for validation.

MessageSendParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing MessageSendParams instances.

metadata() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.DataPart

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.FilePart

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.TextPart

Returns the value of the metadata record component.

metadata() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns the value of the metadata record component.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets additional metadata for the artifact.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets additional metadata for the message.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.MessageSendParams.Builder

Sets optional metadata for the request.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.CancelTaskParams.Builder

Sets optional metadata for the request.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets arbitrary metadata associated with the task.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets the metadata for this event.

metadata(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.TaskStatusUpdateEvent.Builder

Sets the metadata.

METHOD_NOT_FOUND - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

JSON-RPC error code for method not found (-32601).

MethodNotFoundError - Exception in org.a2aproject.sdk.spec

JSON-RPC error indicating that the requested method does not exist or is not available.

MethodNotFoundError() - Constructor for exception org.a2aproject.sdk.spec.MethodNotFoundError

Constructs error with default message.

MethodNotFoundError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.MethodNotFoundError

Constructs error with all parameters.

mimeType() - Method in interface org.a2aproject.sdk.spec.FileContent

Returns the MIME type of the file content.

mimeType() - Method in class org.a2aproject.sdk.spec.FileWithBytes

mimeType() - Method in record class org.a2aproject.sdk.spec.FileWithUri

Returns the value of the mimeType record component.

mutableListCopyOrEmpty(List<E>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates a mutable defensive copy of a nullable list.

mutableMapCopyOrEmpty(Map<K, V>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates a mutable defensive copy of a nullable map.

MutualTLSSecurityScheme - Record Class in org.a2aproject.sdk.spec

Mutual TLS (mTLS) security scheme for agent authentication.

MutualTLSSecurityScheme(String) - Constructor for record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

Creates an instance of a MutualTLSSecurityScheme record class.

N

name() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the name record component.

name() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the name record component.

name() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Returns the value of the name record component.

name() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the name record component.

name() - Method in interface org.a2aproject.sdk.spec.FileContent

Returns the file name.

name() - Method in class org.a2aproject.sdk.spec.FileWithBytes

name() - Method in record class org.a2aproject.sdk.spec.FileWithUri

Returns the value of the name record component.

name(String) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets the human-readable name of the artifact.

name(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the human-readable name of the agent.

name(String) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets the human-readable name of the skill.

name(String) - Method in class org.a2aproject.sdk.spec.APIKeySecurityScheme.Builder

Sets the name of the API key parameter.

nextPageToken() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Returns the value of the nextPageToken record component.

O

oauth2MetadataUrl() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Returns the value of the oauth2MetadataUrl record component.

oauth2MetadataUrl(String) - Method in class org.a2aproject.sdk.spec.OAuth2SecurityScheme.Builder

Sets the OAuth 2.0 metadata URL.

OAuth2SecurityScheme - Record Class in org.a2aproject.sdk.spec

OAuth 2.0 security scheme for agent authentication.

OAuth2SecurityScheme(OAuthFlows, String, String) - Constructor for record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Compact constructor with validation.

OAuth2SecurityScheme.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable OAuth2SecurityScheme instances.

OAuthFlows - Record Class in org.a2aproject.sdk.spec

Configuration for supported OAuth 2.0 authorization flows.

OAuthFlows(AuthorizationCodeOAuthFlow, ClientCredentialsOAuthFlow, DeviceCodeOAuthFlow) - Constructor for record class org.a2aproject.sdk.spec.OAuthFlows

Creates an instance of a OAuthFlows record class.

OAuthFlows.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing OAuthFlows instances.

of(String, Map<String, Object>) - Static method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Convenience factory using the standard A2A ErrorInfo type and domain.

OpenIdConnectSecurityScheme - Record Class in org.a2aproject.sdk.spec

OpenID Connect security scheme for agent authentication.

OpenIdConnectSecurityScheme(String, String) - Constructor for record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Compact constructor with validation.

OpenIdConnectSecurityScheme.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable OpenIdConnectSecurityScheme instances.

openIdConnectUrl() - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Returns the value of the openIdConnectUrl record component.

openIdConnectUrl(String) - Method in class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme.Builder

Sets the OpenID Connect Discovery URL.

org.a2aproject.sdk.spec - package org.a2aproject.sdk.spec

JSON processing exceptions for the A2A Java SDK.

org.a2aproject.sdk.spec.util - package org.a2aproject.sdk.spec.util

Utility classes and helpers for the A2A Java SDK.

organization() - Method in record class org.a2aproject.sdk.spec.AgentProvider

Returns the value of the organization record component.

outputModes() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the outputModes record component.

outputModes(List<String>) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets the supported output formats for this skill.

P

pageSize() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns the value of the pageSize record component.

pageSize() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the pageSize record component.

pageSize(Integer) - Method in class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams.Builder

Sets the pageSize.

pageSize(Integer) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the pageSize.

pageToken() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns the value of the pageToken record component.

pageToken() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the pageToken record component.

pageToken(String) - Method in class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams.Builder

Sets the pageToken.

pageToken(String) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the pageToken.

PageToken - Record Class in org.a2aproject.sdk.spec.util

Represents a pagination token for keyset-based pagination.

PageToken(Instant, String) - Constructor for record class org.a2aproject.sdk.spec.util.PageToken

Creates an instance of a PageToken record class.

params() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns the value of the params record component.

params(Map<String, Object>) - Method in class org.a2aproject.sdk.spec.AgentExtension.Builder

Sets configuration parameters for the extension.

Part<T> - Interface in org.a2aproject.sdk.spec

Base interface for content parts within Messages and Artifacts.

parts() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns the value of the parts record component.

parts() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the parts record component.

parts(List<Part<?>>) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets the content parts comprising the artifact.

parts(List<Part<?>>) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the content parts of the message.

parts(Part<?>...) - Method in class org.a2aproject.sdk.spec.Artifact.Builder

Sets the content parts from varargs.

parts(Part<?>...) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the content parts of the message from varargs.

pkceRequired() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns the value of the pkceRequired record component.

preferredTransport() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the preferredTransport record component.

preferredTransport(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

protectedHeader() - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Returns the value of the protectedHeader record component.

protectedHeader(String) - Method in class org.a2aproject.sdk.spec.AgentCardSignature.Builder

Sets the Base64URL-encoded protected header.

protocolBinding() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns the value of the protocolBinding record component.

protocolVersion() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns the value of the protocolVersion record component.

provider() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the provider record component.

provider(AgentProvider) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets information about the organization or entity providing the agent.

PUSH_NOTIFICATION_NOT_SUPPORTED - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating push notifications are not supported by this agent (-32003).

PushNotificationNotSupportedError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that the agent does not support push notifications.

PushNotificationNotSupportedError() - Constructor for exception org.a2aproject.sdk.spec.PushNotificationNotSupportedError

Constructs error with default message.

PushNotificationNotSupportedError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.PushNotificationNotSupportedError

Constructs error with all parameters.

pushNotifications() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns the value of the pushNotifications record component.

pushNotifications(boolean) - Method in class org.a2aproject.sdk.spec.AgentCapabilities.Builder

Sets whether the agent supports push notifications.

Q

QUERY - Enum constant in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

API key sent as a query parameter.

R

reason() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns the value of the reason record component.

referenceTaskIds() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the referenceTaskIds record component.

referenceTaskIds(List<String>) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the list of reference task identifiers this message relates to.

refreshUrl() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns the value of the refreshUrl record component.

refreshUrl() - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Returns the value of the refreshUrl record component.

refreshUrl() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns the value of the refreshUrl record component.

required() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns the value of the required record component.

required(boolean) - Method in class org.a2aproject.sdk.spec.AgentExtension.Builder

Sets whether support for this extension is mandatory.

rethrow(Throwable) - Static method in class org.a2aproject.sdk.spec.util.Utils

Rethrows a checked exception as an unchecked exception.

returnImmediately() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns the value of the returnImmediately record component.

returnImmediately(Boolean) - Method in class org.a2aproject.sdk.spec.MessageSendConfiguration.Builder

Sets whether the operation should return immediately after creating the task.

role() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the role record component.

role(Message.Role) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the role of the message sender.

ROLE_AGENT - Enum constant in enum class org.a2aproject.sdk.spec.Message.Role

Message originated from the agent (server side).

ROLE_UNSPECIFIED - Enum constant in enum class org.a2aproject.sdk.spec.Message.Role

Unspecified role.

ROLE_USER - Enum constant in enum class org.a2aproject.sdk.spec.Message.Role

Message originated from the user (client side).

S

scheme() - Method in record class org.a2aproject.sdk.spec.AuthenticationInfo

Returns the value of the scheme record component.

scheme() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Returns the value of the scheme record component.

scheme(String) - Method in class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme.Builder

Sets the HTTP authentication scheme name.

scheme(String, List<String>) - Method in class org.a2aproject.sdk.spec.SecurityRequirement.Builder

Adds a security scheme with its required scopes.

schemes() - Method in record class org.a2aproject.sdk.spec.SecurityRequirement

Returns the value of the schemes record component.

scopes() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns the value of the scopes record component.

scopes() - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Returns the value of the scopes record component.

scopes() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns an unmodifiable copy of the scopes map.

SecurityRequirement - Record Class in org.a2aproject.sdk.spec

Represents a security requirement in the A2A Protocol.

SecurityRequirement(Map<String, List<String>>) - Constructor for record class org.a2aproject.sdk.spec.SecurityRequirement

Creates a SecurityRequirement with the specified schemes map.

SecurityRequirement.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable SecurityRequirement instances.

securityRequirements() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the securityRequirements record component.

securityRequirements() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the securityRequirements record component.

securityRequirements(List<SecurityRequirement>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the list of security requirements for accessing the agent.

securityRequirements(List<SecurityRequirement>) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets security requirements specific to this skill.

SecurityScheme - Interface in org.a2aproject.sdk.spec

Base interface for security schemes used to authenticate access to agent endpoints.

securitySchemes() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the securitySchemes record component.

securitySchemes(Map<String, SecurityScheme>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the map of security scheme definitions.

SEND_MESSAGE_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for sending a message.

SEND_STREAMING_MESSAGE_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for sending a streaming message.

SET_TASK_PUSH_NOTIFICATION_CONFIG_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for setting task push notification configuration.

shouldIncludeArtifacts() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns whether to include artifacts (defaults to false).

signature() - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Returns the value of the signature record component.

signature(String) - Method in class org.a2aproject.sdk.spec.AgentCardSignature.Builder

Sets the Base64URL-encoded signature value.

signatures() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the signatures record component.

signatures(List<AgentCardSignature>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the digital signatures verifying the authenticity of the agent card.

size() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Return the size of the configs.

skills() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the skills record component.

skills(List<AgentSkill>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the list of skills that this agent can perform.

state() - Method in record class org.a2aproject.sdk.spec.TaskStatus

Returns the value of the state record component.

status() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the status record component.

status() - Method in record class org.a2aproject.sdk.spec.Task

Returns the value of the status record component.

status() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns the value of the status record component.

status(TaskState) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the status.

status(TaskStatus) - Method in class org.a2aproject.sdk.spec.Task.Builder

Sets the current status of the task.

status(TaskStatus) - Method in class org.a2aproject.sdk.spec.TaskStatusUpdateEvent.Builder

Sets the task status.

statusTimestampAfter() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the statusTimestampAfter record component.

statusTimestampAfter(Instant) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the statusTimestampAfter.

streaming() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns the value of the streaming record component.

streaming(boolean) - Method in class org.a2aproject.sdk.spec.AgentCapabilities.Builder

Sets whether the agent supports streaming responses.

STREAMING_EVENT_ID - Static variable in record class org.a2aproject.sdk.spec.Message

The identifier when used in streaming responses

STREAMING_EVENT_ID - Static variable in record class org.a2aproject.sdk.spec.Task

The identifier when used in streaming responses

STREAMING_EVENT_ID - Static variable in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

The identifier when used in streaming responses

STREAMING_EVENT_ID - Static variable in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

The identifier when used in streaming responses

StreamingEventKind - Interface in org.a2aproject.sdk.spec

Sealed interface for events that can be emitted during streaming A2A Protocol operations.

stripWellKnownSuffix(String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Strips any trailing slash and the standard well-known suffix from baseUrl so that Utils.buildCardUrl(java.lang.String, java.lang.String) can append the desired path without doubling it.

SUBSCRIBE_TO_TASK_METHOD - Static variable in interface org.a2aproject.sdk.spec.A2AMethods

Method name for subscribing to task events.

supportedInterfaces() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the supportedInterfaces record component.

supportedInterfaces(List<AgentInterface>) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the ordered list of supported protocol interfaces (first entry is preferred).

T

tags() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns the value of the tags record component.

tags(List<String>) - Method in class org.a2aproject.sdk.spec.AgentSkill.Builder

Sets categorization tags for discovery and filtering.

Task - Record Class in org.a2aproject.sdk.spec

Represents a single, stateful operation or conversation between a client and an agent in the A2A Protocol.

Task(String, String, TaskStatus, List<Artifact>, List<Message>, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.Task

Compact constructor with validation and defensive copying.

TASK_NOT_CANCELABLE - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the task cannot be canceled in its current state (-32002).

TASK_NOT_FOUND - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the requested task was not found (-32001).

TASK_STATE_AUTH_REQUIRED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Agent requires authentication or authorization to proceed (interrupted state).

TASK_STATE_CANCELED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task was canceled by user or system (terminal state).

TASK_STATE_COMPLETED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task completed successfully (terminal state).

TASK_STATE_FAILED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task failed due to an error (terminal state).

TASK_STATE_INPUT_REQUIRED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Agent requires additional input from the user to continue (interrupted state).

TASK_STATE_REJECTED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task was rejected by the agent (terminal state).

TASK_STATE_SUBMITTED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task has been received and is queued for processing (transitional state).

TASK_STATE_UNSPECIFIED - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Task state is unknown or cannot be determined (terminal state).

TASK_STATE_WORKING - Enum constant in enum class org.a2aproject.sdk.spec.TaskState

Agent is actively processing the task (transitional state).

Task.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing immutable Task instances.

TaskArtifactUpdateEvent - Record Class in org.a2aproject.sdk.spec

Event notifying that a task artifact has been created, modified, or appended to.

TaskArtifactUpdateEvent(String, Artifact, String, Boolean, Boolean, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Compact constructor with validation.

TaskArtifactUpdateEvent.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing TaskArtifactUpdateEvent instances.

taskId() - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Returns the value of the taskId record component.

taskId() - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Returns the value of the taskId record component.

taskId() - Method in record class org.a2aproject.sdk.spec.Message

Returns the value of the taskId record component.

taskId() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns the value of the taskId record component.

taskId() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the taskId record component.

taskId() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns the value of the taskId record component.

taskId(String) - Method in class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams.Builder

Sets the task identifier.

taskId(String) - Method in class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams.Builder

Sets the task ID.

taskId(String) - Method in class org.a2aproject.sdk.spec.Message.Builder

Sets the task identifier this message is associated with.

taskId(String) - Method in class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent.Builder

Sets the task identifier.

taskId(String) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets the task identifier.

taskId(String) - Method in class org.a2aproject.sdk.spec.TaskStatusUpdateEvent.Builder

Sets the task identifier.

TaskIdParams - Record Class in org.a2aproject.sdk.spec

Parameters containing a task identifier for task-related operations.

TaskIdParams(String) - Constructor for record class org.a2aproject.sdk.spec.TaskIdParams

Convenience constructor with default tenant.

TaskIdParams(String, String) - Constructor for record class org.a2aproject.sdk.spec.TaskIdParams

Compact constructor for validation.

TaskIdParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing instances.

TaskNotCancelableError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that a task cannot be canceled in its current state.

TaskNotCancelableError() - Constructor for exception org.a2aproject.sdk.spec.TaskNotCancelableError

Constructs error with default message.

TaskNotCancelableError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.TaskNotCancelableError

Constructs error with all parameters.

TaskNotCancelableError(String) - Constructor for exception org.a2aproject.sdk.spec.TaskNotCancelableError

Constructs error with custom message.

TaskNotFoundError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that the requested task ID does not exist.

TaskNotFoundError() - Constructor for exception org.a2aproject.sdk.spec.TaskNotFoundError

Constructs error with default message.

TaskNotFoundError(String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.TaskNotFoundError

Constructs error with all parameters.

taskPushNotificationConfig() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns the value of the taskPushNotificationConfig record component.

taskPushNotificationConfig(TaskPushNotificationConfig) - Method in class org.a2aproject.sdk.spec.MessageSendConfiguration.Builder

Sets the push notification configuration.

TaskPushNotificationConfig - Record Class in org.a2aproject.sdk.spec

Push notification configuration associated with a specific task.

TaskPushNotificationConfig(String, String, String, String, AuthenticationInfo, String) - Constructor for record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Compact constructor for validation.

TaskPushNotificationConfig.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing TaskPushNotificationConfig instances.

TaskQueryParams - Record Class in org.a2aproject.sdk.spec

Defines parameters for querying a task, with an option to limit history length.

TaskQueryParams(String) - Constructor for record class org.a2aproject.sdk.spec.TaskQueryParams

Convenience constructor with defaults for tenant and historyLength.

TaskQueryParams(String, Integer) - Constructor for record class org.a2aproject.sdk.spec.TaskQueryParams

Convenience constructor with default tenant.

TaskQueryParams(String, Integer, String) - Constructor for record class org.a2aproject.sdk.spec.TaskQueryParams

Compact constructor for validation.

TaskQueryParams.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing instances.

TaskState - Enum Class in org.a2aproject.sdk.spec

Defines the lifecycle states of a Task in the A2A Protocol.

TaskStatus - Record Class in org.a2aproject.sdk.spec

Represents the status of a task at a specific point in time in the A2A Protocol.

TaskStatus(TaskState) - Constructor for record class org.a2aproject.sdk.spec.TaskStatus

Creates a TaskStatus with only a state, using the current UTC time as the timestamp.

TaskStatus(TaskState, Message, OffsetDateTime) - Constructor for record class org.a2aproject.sdk.spec.TaskStatus

Compact constructor for validation and timestamp initialization.

TaskStatusUpdateEvent - Record Class in org.a2aproject.sdk.spec

An event sent by the agent to notify the client of a change in a task's status.

TaskStatusUpdateEvent(String, TaskStatus, String, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Compact constructor with validation.

TaskStatusUpdateEvent.Builder - Class in org.a2aproject.sdk.spec

Builder for constructing TaskStatusUpdateEvent instances.

tenant() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.GetExtendedAgentCardParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.TaskIdParams

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the tenant record component.

tenant() - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Returns the value of the tenant record component.

tenant(String) - Method in class org.a2aproject.sdk.spec.CancelTaskParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams.Builder

Sets optional tenant for the request.

tenant(String) - Method in class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.ListTasksParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.MessageSendParams.Builder

Sets optional tenant for the request.

tenant(String) - Method in class org.a2aproject.sdk.spec.TaskIdParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.TaskQueryParams.Builder

Sets the tenant.

tenant(String) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets the tenant identifier.

text() - Method in record class org.a2aproject.sdk.spec.TextPart

Returns the value of the text record component.

TEXT - Static variable in record class org.a2aproject.sdk.spec.TextPart

The JSON member name discriminator for text parts: "text".

TextPart - Record Class in org.a2aproject.sdk.spec

Represents a plain text content part within a Message or Artifact.

TextPart(String) - Constructor for record class org.a2aproject.sdk.spec.TextPart

Constructor.

TextPart(String, Map<String, Object>) - Constructor for record class org.a2aproject.sdk.spec.TextPart

Compact constructor with validation.

timestamp() - Method in record class org.a2aproject.sdk.spec.TaskStatus

Returns the timestamp when this status was created.

timestamp() - Method in record class org.a2aproject.sdk.spec.util.PageToken

Returns the value of the timestamp record component.

token() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the token record component.

token(String) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets the bearer token for simple authentication.

tokenUrl() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns the value of the tokenUrl record component.

tokenUrl() - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Returns the value of the tokenUrl record component.

tokenUrl() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns the value of the tokenUrl record component.

toString() - Method in record class org.a2aproject.sdk.spec.AgentCapabilities

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentCardSignature

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentProvider

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AgentSkill

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.Artifact

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AuthenticationInfo

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.AuthorizationCodeOAuthFlow

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.CancelTaskParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.ClientCredentialsOAuthFlow

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.DataPart

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.DeleteTaskPushNotificationConfigParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.DeviceCodeOAuthFlow

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.FilePart

Returns a string representation of this record class.

toString() - Method in class org.a2aproject.sdk.spec.FileWithBytes

toString() - Method in record class org.a2aproject.sdk.spec.FileWithUri

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.GetExtendedAgentCardParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.GetTaskPushNotificationConfigParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.ListTaskPushNotificationConfigsResult

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.ListTasksParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.Message

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.MessageSendConfiguration

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.MessageSendParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.OAuthFlows

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.SecurityRequirement

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.Task

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskArtifactUpdateEvent

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskIdParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskQueryParams

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskStatus

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TaskStatusUpdateEvent

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.TextPart

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns a string representation of this record class.

toString() - Method in record class org.a2aproject.sdk.spec.util.PageToken

Converts this PageToken to its string representation.

transport() - Method in record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Returns the value of the transport record component.

TransportProtocol - Enum Class in org.a2aproject.sdk.spec

Enumeration of supported transport protocols for A2A Protocol communication.

type() - Method in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

type() - Method in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

type() - Method in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

type() - Method in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

type() - Method in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

type() - Method in interface org.a2aproject.sdk.spec.SecurityScheme

Returns the type of the security scheme.

type() - Method in record class org.a2aproject.sdk.spec.util.ErrorDetail

Returns the value of the type record component.

TYPE - Static variable in record class org.a2aproject.sdk.spec.APIKeySecurityScheme

The security scheme type identifier for API key authentication.

TYPE - Static variable in record class org.a2aproject.sdk.spec.HTTPAuthSecurityScheme

The HTTP security scheme type identifier.

TYPE - Static variable in record class org.a2aproject.sdk.spec.MutualTLSSecurityScheme

The type identifier for mutual TLS security schemes: "mtlsSecurityScheme".

TYPE - Static variable in record class org.a2aproject.sdk.spec.OAuth2SecurityScheme

The type identifier for OAuth 2.0 security schemes: "oauth2SecurityScheme".

TYPE - Static variable in record class org.a2aproject.sdk.spec.OpenIdConnectSecurityScheme

The type identifier for OpenID Connect security schemes: "openIdConnect".

U

unmodifiableNullableShallowMap(Map<K, V>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an unmodifiable shallow defensive copy of a nullable map while preserving null values.

unmodifiableShallowMap(Map<K, V>) - Static method in class org.a2aproject.sdk.spec.util.CollectionCopies

Creates an unmodifiable shallow defensive copy of a non-null map while preserving null values.

UNSUPPORTED_OPERATION - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the requested operation is not supported (-32004).

UnsupportedOperationError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that the requested operation is not supported by the agent.

UnsupportedOperationError() - Constructor for exception org.a2aproject.sdk.spec.UnsupportedOperationError

Constructs error with default message.

UnsupportedOperationError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.UnsupportedOperationError

Constructs error with all parameters.

UpdateEvent - Interface in org.a2aproject.sdk.spec

Sealed interface for incremental update events during task execution.

uri() - Method in record class org.a2aproject.sdk.spec.AgentExtension

Returns the value of the uri record component.

uri() - Method in record class org.a2aproject.sdk.spec.FileWithUri

Returns the value of the uri record component.

uri(String) - Method in class org.a2aproject.sdk.spec.AgentExtension.Builder

Sets the unique identifier URI for this extension.

url() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the url record component.

url() - Method in record class org.a2aproject.sdk.spec.AgentInterface

Returns the value of the url record component.

url() - Method in record class org.a2aproject.sdk.spec.AgentProvider

Returns the value of the url record component.

url() - Method in record class org.a2aproject.sdk.spec.Legacy_0_3_AgentInterface

Returns the value of the url record component.

url() - Method in record class org.a2aproject.sdk.spec.TaskPushNotificationConfig

Returns the value of the url record component.

url(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

url(String) - Method in class org.a2aproject.sdk.spec.TaskPushNotificationConfig.Builder

Sets the push notification endpoint URL.

Utils - Class in org.a2aproject.sdk.spec.util

Utility class providing common helper methods for A2A Protocol operations.

V

validateAbsoluteUrl(String) - Static method in class org.a2aproject.sdk.spec.util.Utils

Validates that url is a syntactically valid absolute URI.

valueOf(String) - Static method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class org.a2aproject.sdk.spec.Message.Role

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class org.a2aproject.sdk.spec.TaskState

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class org.a2aproject.sdk.spec.TransportProtocol

Returns the enum constant of this class with the specified name.

values() - Static method in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class org.a2aproject.sdk.spec.APIKeySecurityScheme.Location

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class org.a2aproject.sdk.spec.Message.Role

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class org.a2aproject.sdk.spec.TaskState

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class org.a2aproject.sdk.spec.TransportProtocol

Returns an array containing the constants of this enum class, in the order they are declared.

version() - Method in record class org.a2aproject.sdk.spec.AgentCard

Returns the value of the version record component.

version(String) - Method in class org.a2aproject.sdk.spec.AgentCard.Builder

Sets the version of the agent implementation.

VERSION_NOT_SUPPORTED - Enum constant in enum class org.a2aproject.sdk.spec.A2AErrorCodes

Error code indicating the A2A protocol version specified in the request (via A2A-Version service parameter) is not supported by the agent (-32009).

VersionNotSupportedError - Exception in org.a2aproject.sdk.spec

A2A Protocol error indicating that the A2A protocol version specified in the request is not supported by the agent.

VersionNotSupportedError(Integer, String, Map<String, Object>) - Constructor for exception org.a2aproject.sdk.spec.VersionNotSupportedError

Constructs an error when the requested protocol version is not supported.

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