java.lang.Object

com.google.protobuf.AbstractMessageLite.Builder

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

com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>

io.envoyproxy.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.Builder

All Implemented Interfaces:: com.google.protobuf.Message.Builder, com.google.protobuf.MessageLite.Builder, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, DnsFilterConfigOrBuilder, Cloneable

Enclosing class:: DnsFilterConfig

public static final class DnsFilterConfig.Builder extends com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder> implements DnsFilterConfigOrBuilder

 Configuration for the DNS filter.

Protobuf type envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig

Method Summary

Modifier and Type

Method

Description

DnsFilterConfig.Builder

addAccessLog(int index, AccessLog value)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

addAccessLog(int index, AccessLog.Builder builderForValue)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

addAccessLog(AccessLog value)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

addAccessLog(AccessLog.Builder builderForValue)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

AccessLog.Builder

addAccessLogBuilder()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

AccessLog.Builder

addAccessLogBuilder(int index)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

addAllAccessLog(Iterable<? extends AccessLog> values)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

addRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, Object value)

DnsFilterConfig

build()

DnsFilterConfig

buildPartial()

DnsFilterConfig.Builder

clear()

DnsFilterConfig.Builder

clearAccessLog()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

clearClientConfig()

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.Builder

clearField(com.google.protobuf.Descriptors.FieldDescriptor field)

DnsFilterConfig.Builder

clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof)

DnsFilterConfig.Builder

clearServerConfig()

Server context configuration contains the data that the filter uses to respond to DNS requests.

DnsFilterConfig.Builder

clearStatPrefix()

The stat prefix used when emitting DNS filter statistics

DnsFilterConfig.Builder

clone()

AccessLog

getAccessLog(int index)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

AccessLog.Builder

getAccessLogBuilder(int index)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

List<AccessLog.Builder>

getAccessLogBuilderList()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

int

getAccessLogCount()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

List<AccessLog>

getAccessLogList()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

AccessLogOrBuilder

getAccessLogOrBuilder(int index)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

List<? extends AccessLogOrBuilder>

getAccessLogOrBuilderList()

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.ClientContextConfig

getClientConfig()

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.ClientContextConfig.Builder

getClientConfigBuilder()

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.ClientContextConfigOrBuilder

getClientConfigOrBuilder()

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig

getDefaultInstanceForType()

static final com.google.protobuf.Descriptors.Descriptor

getDescriptor()

com.google.protobuf.Descriptors.Descriptor

getDescriptorForType()

DnsFilterConfig.ServerContextConfig

getServerConfig()

Server context configuration contains the data that the filter uses to respond to DNS requests.

DnsFilterConfig.ServerContextConfig.Builder

getServerConfigBuilder()

Server context configuration contains the data that the filter uses to respond to DNS requests.

DnsFilterConfig.ServerContextConfigOrBuilder

getServerConfigOrBuilder()

Server context configuration contains the data that the filter uses to respond to DNS requests.

String

getStatPrefix()

The stat prefix used when emitting DNS filter statistics

com.google.protobuf.ByteString

getStatPrefixBytes()

The stat prefix used when emitting DNS filter statistics

boolean

hasClientConfig()

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

boolean

hasServerConfig()

Server context configuration contains the data that the filter uses to respond to DNS requests.

protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable

internalGetFieldAccessorTable()

final boolean

isInitialized()

DnsFilterConfig.Builder

mergeClientConfig(DnsFilterConfig.ClientContextConfig value)

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.Builder

mergeFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)

DnsFilterConfig.Builder

mergeFrom(com.google.protobuf.Message other)

DnsFilterConfig.Builder

mergeFrom(DnsFilterConfig other)

DnsFilterConfig.Builder

mergeServerConfig(DnsFilterConfig.ServerContextConfig value)

Server context configuration contains the data that the filter uses to respond to DNS requests.

final DnsFilterConfig.Builder

mergeUnknownFields(com.google.protobuf.UnknownFieldSet unknownFields)

DnsFilterConfig.Builder

removeAccessLog(int index)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

setAccessLog(int index, AccessLog value)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

setAccessLog(int index, AccessLog.Builder builderForValue)

Configuration for :ref:`access logs <arch_overview_access_logs>` emitted by the DNS filter for each DNS query received.

DnsFilterConfig.Builder

setClientConfig(DnsFilterConfig.ClientContextConfig value)

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.Builder

setClientConfig(DnsFilterConfig.ClientContextConfig.Builder builderForValue)

Client context configuration controls Envoy's behavior when it must use external resolvers to answer a query.

DnsFilterConfig.Builder

setField(com.google.protobuf.Descriptors.FieldDescriptor field, Object value)

DnsFilterConfig.Builder

setRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, int index, Object value)

DnsFilterConfig.Builder

setServerConfig(DnsFilterConfig.ServerContextConfig value)

Server context configuration contains the data that the filter uses to respond to DNS requests.

DnsFilterConfig.Builder

setServerConfig(DnsFilterConfig.ServerContextConfig.Builder builderForValue)

Server context configuration contains the data that the filter uses to respond to DNS requests.

DnsFilterConfig.Builder

setStatPrefix(String value)

The stat prefix used when emitting DNS filter statistics

DnsFilterConfig.Builder

setStatPrefixBytes(com.google.protobuf.ByteString value)

The stat prefix used when emitting DNS filter statistics

final DnsFilterConfig.Builder

setUnknownFields(com.google.protobuf.UnknownFieldSet unknownFields)

Methods inherited from class com.google.protobuf.GeneratedMessageV3.Builder
getAllFields, getField, getFieldBuilder, getOneofFieldDescriptor, getParentForChildren, getRepeatedField, getRepeatedFieldBuilder, getRepeatedFieldCount, getUnknownFields, getUnknownFieldSetBuilder, hasField, hasOneof, internalGetMapField, internalGetMapFieldReflection, internalGetMutableMapField, internalGetMutableMapFieldReflection, isClean, markClean, mergeUnknownLengthDelimitedField, mergeUnknownVarintField, newBuilderForField, onBuilt, onChanged, parseUnknownField, 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.GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()

Specified by:

internalGetFieldAccessorTable in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
clear

public DnsFilterConfig.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.GeneratedMessageV3.Builder<DnsFilterConfig.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.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
getDefaultInstanceForType

public DnsFilterConfig getDefaultInstanceForType()

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageLiteOrBuilder

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageOrBuilder
build

public DnsFilterConfig build()

Specified by:

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

Specified by:

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

public DnsFilterConfig buildPartial()

Specified by:

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

Specified by:

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

public DnsFilterConfig.Builder clone()

Specified by:

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

Specified by:

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

Overrides:

clone in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
setField

public DnsFilterConfig.Builder setField(com.google.protobuf.Descriptors.FieldDescriptor field, Object value)

Specified by:

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

Overrides:

setField in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
clearField

public DnsFilterConfig.Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field)

Specified by:

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

Overrides:

clearField in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
clearOneof

public DnsFilterConfig.Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof)

Specified by:

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

Overrides:

clearOneof in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
setRepeatedField

public DnsFilterConfig.Builder setRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, int index, Object value)

Specified by:

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

Overrides:

setRepeatedField in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
addRepeatedField

public DnsFilterConfig.Builder addRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, Object value)

Specified by:

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

Overrides:

addRepeatedField in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
mergeFrom

public DnsFilterConfig.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<DnsFilterConfig.Builder>
mergeFrom

public DnsFilterConfig.Builder mergeFrom(DnsFilterConfig other)
isInitialized

public final boolean isInitialized()

Specified by:

isInitialized in interface com.google.protobuf.MessageLiteOrBuilder

Overrides:

isInitialized in class com.google.protobuf.GeneratedMessageV3.Builder<DnsFilterConfig.Builder>
mergeFrom

public DnsFilterConfig.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<DnsFilterConfig.Builder>

Throws:

IOException
getStatPrefix

public String getStatPrefix()
```
 The stat prefix used when emitting DNS filter statistics
 
```
string stat_prefix = 1 [(.validate.rules) = { ... }
Specified by:

getStatPrefix in interface DnsFilterConfigOrBuilder

Returns:

The statPrefix.
getStatPrefixBytes

public com.google.protobuf.ByteString getStatPrefixBytes()
```
 The stat prefix used when emitting DNS filter statistics
 
```
string stat_prefix = 1 [(.validate.rules) = { ... }
Specified by:

getStatPrefixBytes in interface DnsFilterConfigOrBuilder

Returns:

The bytes for statPrefix.
setStatPrefix

public DnsFilterConfig.Builder setStatPrefix(String value)
```
 The stat prefix used when emitting DNS filter statistics
 
```
string stat_prefix = 1 [(.validate.rules) = { ... }
Parameters:

value - The statPrefix to set.

Returns:

This builder for chaining.
clearStatPrefix

public DnsFilterConfig.Builder clearStatPrefix()
```
 The stat prefix used when emitting DNS filter statistics
 
```
string stat_prefix = 1 [(.validate.rules) = { ... }
Returns:

This builder for chaining.
setStatPrefixBytes

public DnsFilterConfig.Builder setStatPrefixBytes(com.google.protobuf.ByteString value)
```
 The stat prefix used when emitting DNS filter statistics
 
```
string stat_prefix = 1 [(.validate.rules) = { ... }
Parameters:

value - The bytes for statPrefix to set.

Returns:

This builder for chaining.
hasServerConfig

public boolean hasServerConfig()
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
Specified by:

hasServerConfig in interface DnsFilterConfigOrBuilder

Returns:

Whether the serverConfig field is set.
getServerConfig

public DnsFilterConfig.ServerContextConfig getServerConfig()
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
Specified by:

getServerConfig in interface DnsFilterConfigOrBuilder

Returns:

The serverConfig.
setServerConfig

public DnsFilterConfig.Builder setServerConfig(DnsFilterConfig.ServerContextConfig value)
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
setServerConfig

public DnsFilterConfig.Builder setServerConfig(DnsFilterConfig.ServerContextConfig.Builder builderForValue)
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
mergeServerConfig

public DnsFilterConfig.Builder mergeServerConfig(DnsFilterConfig.ServerContextConfig value)
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
clearServerConfig

public DnsFilterConfig.Builder clearServerConfig()
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
getServerConfigBuilder

public DnsFilterConfig.ServerContextConfig.Builder getServerConfigBuilder()
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
getServerConfigOrBuilder

public DnsFilterConfig.ServerContextConfigOrBuilder getServerConfigOrBuilder()
```
 Server context configuration contains the data that the filter uses to respond
 to DNS requests.
 
```
.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ServerContextConfig server_config = 2;
Specified by:

getServerConfigOrBuilder in interface DnsFilterConfigOrBuilder

hasClientConfig

public boolean hasClientConfig()

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

Specified by:: hasClientConfig in interface DnsFilterConfigOrBuilder
Returns:: Whether the clientConfig field is set.

getClientConfig

public DnsFilterConfig.ClientContextConfig getClientConfig()

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

Specified by:: getClientConfig in interface DnsFilterConfigOrBuilder
Returns:: The clientConfig.

setClientConfig

public DnsFilterConfig.Builder setClientConfig(DnsFilterConfig.ClientContextConfig value)

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

setClientConfig

public DnsFilterConfig.Builder setClientConfig(DnsFilterConfig.ClientContextConfig.Builder builderForValue)

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

mergeClientConfig

public DnsFilterConfig.Builder mergeClientConfig(DnsFilterConfig.ClientContextConfig value)

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

clearClientConfig

public DnsFilterConfig.Builder clearClientConfig()

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

getClientConfigBuilder

public DnsFilterConfig.ClientContextConfig.Builder getClientConfigBuilder()

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

getClientConfigOrBuilder

public DnsFilterConfig.ClientContextConfigOrBuilder getClientConfigOrBuilder()

 Client context configuration controls Envoy's behavior when it must use external
 resolvers to answer a query. This object is optional and if omitted instructs
 the filter to resolve queries from the data in the server_config.
 Also, if ``client_config`` is omitted, here is the Envoy's behavior to create DNS resolver:

 1. If :ref:`typed_dns_resolver_config <envoy_v3_api_field_config.bootstrap.v3.Bootstrap.typed_dns_resolver_config>`
 is not empty, uses it.

 2. Otherwise, uses the default c-ares DNS resolver.

.envoy.extensions.filters.udp.dns_filter.v3.DnsFilterConfig.ClientContextConfig client_config = 3;

Specified by:: getClientConfigOrBuilder in interface DnsFilterConfigOrBuilder