Package com.google.cloud.aiplatform.v1

Class RagVectorDbConfig.Builder

java.lang.Object

com.google.protobuf.AbstractMessageLite.Builder

com.google.protobuf.AbstractMessage.Builder<BuilderT>

com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>

com.google.cloud.aiplatform.v1.RagVectorDbConfig.Builder

All Implemented Interfaces:

RagVectorDbConfigOrBuilder, com.google.protobuf.Message.Builder, com.google.protobuf.MessageLite.Builder, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, Cloneable

Enclosing class:

RagVectorDbConfig

public static final class RagVectorDbConfig.Builder
extends com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>
implements RagVectorDbConfigOrBuilder

 Config for the Vector DB to use for RAG.
 

Protobuf type google.cloud.aiplatform.v1.RagVectorDbConfig

Method Summary

Modifier and Type	Method	Description
RagVectorDbConfig	build()
RagVectorDbConfig	buildPartial()
RagVectorDbConfig.Builder	clear()
RagVectorDbConfig.Builder	clearApiAuth()	Authentication config for the chosen Vector DB.
RagVectorDbConfig.Builder	clearPinecone()	The config for the Pinecone.
RagVectorDbConfig.Builder	clearRagEmbeddingModelConfig()	Optional.
RagVectorDbConfig.Builder	clearRagManagedDb()	The config for the RAG-managed Vector DB.
RagVectorDbConfig.Builder	clearVectorDb()
RagVectorDbConfig.Builder	clearVertexVectorSearch()	The config for the Vertex Vector Search.
ApiAuth	getApiAuth()	Authentication config for the chosen Vector DB.
ApiAuth.Builder	getApiAuthBuilder()	Authentication config for the chosen Vector DB.
ApiAuthOrBuilder	getApiAuthOrBuilder()	Authentication config for the chosen Vector DB.
RagVectorDbConfig	getDefaultInstanceForType()
static final com.google.protobuf.Descriptors.Descriptor	getDescriptor()
com.google.protobuf.Descriptors.Descriptor	getDescriptorForType()
RagVectorDbConfig.Pinecone	getPinecone()	The config for the Pinecone.
RagVectorDbConfig.Pinecone.Builder	getPineconeBuilder()	The config for the Pinecone.
RagVectorDbConfig.PineconeOrBuilder	getPineconeOrBuilder()	The config for the Pinecone.
RagEmbeddingModelConfig	getRagEmbeddingModelConfig()	Optional.
RagEmbeddingModelConfig.Builder	getRagEmbeddingModelConfigBuilder()	Optional.
RagEmbeddingModelConfigOrBuilder	getRagEmbeddingModelConfigOrBuilder()	Optional.
RagVectorDbConfig.RagManagedDb	getRagManagedDb()	The config for the RAG-managed Vector DB.
RagVectorDbConfig.RagManagedDb.Builder	getRagManagedDbBuilder()	The config for the RAG-managed Vector DB.
RagVectorDbConfig.RagManagedDbOrBuilder	getRagManagedDbOrBuilder()	The config for the RAG-managed Vector DB.
RagVectorDbConfig.VectorDbCase	getVectorDbCase()
RagVectorDbConfig.VertexVectorSearch	getVertexVectorSearch()	The config for the Vertex Vector Search.
RagVectorDbConfig.VertexVectorSearch.Builder	getVertexVectorSearchBuilder()	The config for the Vertex Vector Search.
RagVectorDbConfig.VertexVectorSearchOrBuilder	getVertexVectorSearchOrBuilder()	The config for the Vertex Vector Search.
boolean	hasApiAuth()	Authentication config for the chosen Vector DB.
boolean	hasPinecone()	The config for the Pinecone.
boolean	hasRagEmbeddingModelConfig()	Optional.
boolean	hasRagManagedDb()	The config for the RAG-managed Vector DB.
boolean	hasVertexVectorSearch()	The config for the Vertex Vector Search.
protected com.google.protobuf.GeneratedMessage.FieldAccessorTable	internalGetFieldAccessorTable()
final boolean	isInitialized()
RagVectorDbConfig.Builder	mergeApiAuth(ApiAuth value)	Authentication config for the chosen Vector DB.
RagVectorDbConfig.Builder	mergeFrom(RagVectorDbConfig other)
RagVectorDbConfig.Builder	mergeFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
RagVectorDbConfig.Builder	mergeFrom(com.google.protobuf.Message other)
RagVectorDbConfig.Builder	mergePinecone(RagVectorDbConfig.Pinecone value)	The config for the Pinecone.
RagVectorDbConfig.Builder	mergeRagEmbeddingModelConfig(RagEmbeddingModelConfig value)	Optional.
RagVectorDbConfig.Builder	mergeRagManagedDb(RagVectorDbConfig.RagManagedDb value)	The config for the RAG-managed Vector DB.
RagVectorDbConfig.Builder	mergeVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch value)	The config for the Vertex Vector Search.
RagVectorDbConfig.Builder	setApiAuth(ApiAuth value)	Authentication config for the chosen Vector DB.
RagVectorDbConfig.Builder	setApiAuth(ApiAuth.Builder builderForValue)	Authentication config for the chosen Vector DB.
RagVectorDbConfig.Builder	setPinecone(RagVectorDbConfig.Pinecone value)	The config for the Pinecone.
RagVectorDbConfig.Builder	setPinecone(RagVectorDbConfig.Pinecone.Builder builderForValue)	The config for the Pinecone.
RagVectorDbConfig.Builder	setRagEmbeddingModelConfig(RagEmbeddingModelConfig value)	Optional.
RagVectorDbConfig.Builder	setRagEmbeddingModelConfig(RagEmbeddingModelConfig.Builder builderForValue)	Optional.
RagVectorDbConfig.Builder	setRagManagedDb(RagVectorDbConfig.RagManagedDb value)	The config for the RAG-managed Vector DB.
RagVectorDbConfig.Builder	setRagManagedDb(RagVectorDbConfig.RagManagedDb.Builder builderForValue)	The config for the RAG-managed Vector DB.
RagVectorDbConfig.Builder	setVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch value)	The config for the Vertex Vector Search.
RagVectorDbConfig.Builder	setVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch.Builder builderForValue)	The config for the Vertex Vector Search.

Methods inherited from class com.google.protobuf.GeneratedMessage.Builder

addRepeatedField, clearField, clearOneof, clone, getAllFields, getField, getFieldBuilder, getOneofFieldDescriptor, getParentForChildren, getRepeatedField, getRepeatedFieldBuilder, getRepeatedFieldCount, getUnknownFields, getUnknownFieldSetBuilder, hasField, hasOneof, internalGetMapField, internalGetMapFieldReflection, internalGetMutableMapField, internalGetMutableMapFieldReflection, isClean, markClean, mergeUnknownFields, mergeUnknownLengthDelimitedField, mergeUnknownVarintField, newBuilderForField, onBuilt, onChanged, parseUnknownField, setField, setRepeatedField, setUnknownFields, setUnknownFieldSetBuilder, setUnknownFieldsProto3

Methods inherited from class com.google.protobuf.AbstractMessage.Builder

findInitializationErrors, getInitializationErrorString, internalMergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, newUninitializedMessageException, toString

Methods inherited from class com.google.protobuf.AbstractMessageLite.Builder

addAll, addAll, mergeDelimitedFrom, mergeDelimitedFrom, mergeFrom, newUninitializedMessageException

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.protobuf.Message.Builder

mergeDelimitedFrom, mergeDelimitedFrom

Methods inherited from interface com.google.protobuf.MessageLite.Builder

mergeFrom

Methods inherited from interface com.google.protobuf.MessageOrBuilder

findInitializationErrors, getAllFields, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof

Method Details

getDescriptor

public static final com.google.protobuf.Descriptors.Descriptor getDescriptor()

internalGetFieldAccessorTable

protected com.google.protobuf.GeneratedMessage.FieldAccessorTable internalGetFieldAccessorTable()

Specified by:

internalGetFieldAccessorTable in class com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>

clear

public RagVectorDbConfig.Builder clear()

Specified by:

clear in interface com.google.protobuf.Message.Builder

Specified by:

clear in interface com.google.protobuf.MessageLite.Builder

Overrides:

clear in class com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>

getDescriptorForType

public com.google.protobuf.Descriptors.Descriptor getDescriptorForType()

Specified by:

getDescriptorForType in interface com.google.protobuf.Message.Builder

Specified by:

getDescriptorForType in interface com.google.protobuf.MessageOrBuilder

Overrides:

getDescriptorForType in class com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>

getDefaultInstanceForType

public RagVectorDbConfig getDefaultInstanceForType()

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageLiteOrBuilder

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageOrBuilder

build

public RagVectorDbConfig build()

Specified by:

build in interface com.google.protobuf.Message.Builder

Specified by:

build in interface com.google.protobuf.MessageLite.Builder

buildPartial

public RagVectorDbConfig buildPartial()

Specified by:

buildPartial in interface com.google.protobuf.Message.Builder

Specified by:

buildPartial in interface com.google.protobuf.MessageLite.Builder

mergeFrom

public RagVectorDbConfig.Builder mergeFrom(com.google.protobuf.Message other)

Specified by:

mergeFrom in interface com.google.protobuf.Message.Builder

Overrides:

mergeFrom in class com.google.protobuf.AbstractMessage.Builder<RagVectorDbConfig.Builder>

mergeFrom

public RagVectorDbConfig.Builder mergeFrom(RagVectorDbConfig other)

isInitialized

public final boolean isInitialized()

Specified by:

isInitialized in interface com.google.protobuf.MessageLiteOrBuilder

Overrides:

isInitialized in class com.google.protobuf.GeneratedMessage.Builder<RagVectorDbConfig.Builder>

mergeFrom

public RagVectorDbConfig.Builder mergeFrom(com.google.protobuf.CodedInputStream input,
 com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                    throws IOException

Specified by:

mergeFrom in interface com.google.protobuf.Message.Builder

Specified by:

mergeFrom in interface com.google.protobuf.MessageLite.Builder

Overrides:

mergeFrom in class com.google.protobuf.AbstractMessage.Builder<RagVectorDbConfig.Builder>

Throws:

IOException

getVectorDbCase

public RagVectorDbConfig.VectorDbCase getVectorDbCase()

Specified by:

getVectorDbCase in interface RagVectorDbConfigOrBuilder

clearVectorDb

public RagVectorDbConfig.Builder clearVectorDb()

hasRagManagedDb

public boolean hasRagManagedDb()

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

Specified by:

hasRagManagedDb in interface RagVectorDbConfigOrBuilder

Returns:

Whether the ragManagedDb field is set.

getRagManagedDb

public RagVectorDbConfig.RagManagedDb getRagManagedDb()

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

Specified by:

getRagManagedDb in interface RagVectorDbConfigOrBuilder

Returns:

The ragManagedDb.

setRagManagedDb

public RagVectorDbConfig.Builder setRagManagedDb(RagVectorDbConfig.RagManagedDb value)

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

setRagManagedDb

public RagVectorDbConfig.Builder setRagManagedDb(RagVectorDbConfig.RagManagedDb.Builder builderForValue)

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

mergeRagManagedDb

public RagVectorDbConfig.Builder mergeRagManagedDb(RagVectorDbConfig.RagManagedDb value)

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

clearRagManagedDb

public RagVectorDbConfig.Builder clearRagManagedDb()

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

getRagManagedDbBuilder

public RagVectorDbConfig.RagManagedDb.Builder getRagManagedDbBuilder()

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

getRagManagedDbOrBuilder

public RagVectorDbConfig.RagManagedDbOrBuilder getRagManagedDbOrBuilder()

 The config for the RAG-managed Vector DB.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;

Specified by:

getRagManagedDbOrBuilder in interface RagVectorDbConfigOrBuilder

hasPinecone

public boolean hasPinecone()

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

Specified by:

hasPinecone in interface RagVectorDbConfigOrBuilder

Returns:

Whether the pinecone field is set.

getPinecone

public RagVectorDbConfig.Pinecone getPinecone()

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

Specified by:

getPinecone in interface RagVectorDbConfigOrBuilder

Returns:

The pinecone.

setPinecone

public RagVectorDbConfig.Builder setPinecone(RagVectorDbConfig.Pinecone value)

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

setPinecone

public RagVectorDbConfig.Builder setPinecone(RagVectorDbConfig.Pinecone.Builder builderForValue)

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

mergePinecone

public RagVectorDbConfig.Builder mergePinecone(RagVectorDbConfig.Pinecone value)

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

clearPinecone

public RagVectorDbConfig.Builder clearPinecone()

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

getPineconeBuilder

public RagVectorDbConfig.Pinecone.Builder getPineconeBuilder()

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

getPineconeOrBuilder

public RagVectorDbConfig.PineconeOrBuilder getPineconeOrBuilder()

 The config for the Pinecone.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.Pinecone pinecone = 3;

Specified by:

getPineconeOrBuilder in interface RagVectorDbConfigOrBuilder

hasVertexVectorSearch

public boolean hasVertexVectorSearch()

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

Specified by:

hasVertexVectorSearch in interface RagVectorDbConfigOrBuilder

Returns:

Whether the vertexVectorSearch field is set.

getVertexVectorSearch

public RagVectorDbConfig.VertexVectorSearch getVertexVectorSearch()

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

Specified by:

getVertexVectorSearch in interface RagVectorDbConfigOrBuilder

Returns:

The vertexVectorSearch.

setVertexVectorSearch

public RagVectorDbConfig.Builder setVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch value)

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

setVertexVectorSearch

public RagVectorDbConfig.Builder setVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch.Builder builderForValue)

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

mergeVertexVectorSearch

public RagVectorDbConfig.Builder mergeVertexVectorSearch(RagVectorDbConfig.VertexVectorSearch value)

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

clearVertexVectorSearch

public RagVectorDbConfig.Builder clearVertexVectorSearch()

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

getVertexVectorSearchBuilder

public RagVectorDbConfig.VertexVectorSearch.Builder getVertexVectorSearchBuilder()

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

getVertexVectorSearchOrBuilder

public RagVectorDbConfig.VertexVectorSearchOrBuilder getVertexVectorSearchOrBuilder()

 The config for the Vertex Vector Search.
 

.google.cloud.aiplatform.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;

Specified by:

getVertexVectorSearchOrBuilder in interface RagVectorDbConfigOrBuilder

hasApiAuth

public boolean hasApiAuth()

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

Specified by:

hasApiAuth in interface RagVectorDbConfigOrBuilder

Returns:

Whether the apiAuth field is set.

getApiAuth

public ApiAuth getApiAuth()

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

Specified by:

getApiAuth in interface RagVectorDbConfigOrBuilder

Returns:

The apiAuth.

setApiAuth

public RagVectorDbConfig.Builder setApiAuth(ApiAuth value)

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

setApiAuth

public RagVectorDbConfig.Builder setApiAuth(ApiAuth.Builder builderForValue)

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

mergeApiAuth

public RagVectorDbConfig.Builder mergeApiAuth(ApiAuth value)

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

clearApiAuth

public RagVectorDbConfig.Builder clearApiAuth()

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

getApiAuthBuilder

public ApiAuth.Builder getApiAuthBuilder()

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

getApiAuthOrBuilder

public ApiAuthOrBuilder getApiAuthOrBuilder()

 Authentication config for the chosen Vector DB.
 

.google.cloud.aiplatform.v1.ApiAuth api_auth = 5;

Specified by:

getApiAuthOrBuilder in interface RagVectorDbConfigOrBuilder

hasRagEmbeddingModelConfig

public boolean hasRagEmbeddingModelConfig()

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

Specified by:

hasRagEmbeddingModelConfig in interface RagVectorDbConfigOrBuilder

Returns:

Whether the ragEmbeddingModelConfig field is set.

getRagEmbeddingModelConfig

public RagEmbeddingModelConfig getRagEmbeddingModelConfig()

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

Specified by:

getRagEmbeddingModelConfig in interface RagVectorDbConfigOrBuilder

Returns:

The ragEmbeddingModelConfig.

setRagEmbeddingModelConfig

public RagVectorDbConfig.Builder setRagEmbeddingModelConfig(RagEmbeddingModelConfig value)

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

setRagEmbeddingModelConfig

public RagVectorDbConfig.Builder setRagEmbeddingModelConfig(RagEmbeddingModelConfig.Builder builderForValue)

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

mergeRagEmbeddingModelConfig

public RagVectorDbConfig.Builder mergeRagEmbeddingModelConfig(RagEmbeddingModelConfig value)

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

clearRagEmbeddingModelConfig

public RagVectorDbConfig.Builder clearRagEmbeddingModelConfig()

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

getRagEmbeddingModelConfigBuilder

public RagEmbeddingModelConfig.Builder getRagEmbeddingModelConfigBuilder()

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

getRagEmbeddingModelConfigOrBuilder

public RagEmbeddingModelConfigOrBuilder getRagEmbeddingModelConfigOrBuilder()

 Optional. Immutable. The embedding model config of the Vector DB.
 

.google.cloud.aiplatform.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];

Specified by:

getRagEmbeddingModelConfigOrBuilder in interface RagVectorDbConfigOrBuilder