com.google.bigtable.v2

Class ReadChangeStreamRequest

java.lang.Object

com.google.protobuf.AbstractMessageLite

com.google.protobuf.AbstractMessage

com.google.protobuf.GeneratedMessageV3

com.google.bigtable.v2.ReadChangeStreamRequest

All Implemented Interfaces:

ReadChangeStreamRequestOrBuilder, com.google.protobuf.Message, com.google.protobuf.MessageLite, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, Serializable

public final class ReadChangeStreamRequest
extends com.google.protobuf.GeneratedMessageV3
implements ReadChangeStreamRequestOrBuilder

 NOTE: This API is intended to be used by Apache Beam BigtableIO.
 Request message for Bigtable.ReadChangeStream.
 

Protobuf type google.bigtable.v2.ReadChangeStreamRequest

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ReadChangeStreamRequest.Builder NOTE: This API is intended to be used by Apache Beam BigtableIO.
static class	ReadChangeStreamRequest.StartFromCase

Nested classes/interfaces inherited from class com.google.protobuf.GeneratedMessageV3

com.google.protobuf.GeneratedMessageV3.BuilderParent, com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage,BuilderType extends com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageType,BuilderType>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage>, com.google.protobuf.GeneratedMessageV3.ExtendableMessageOrBuilder<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage>, com.google.protobuf.GeneratedMessageV3.FieldAccessorTable, com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter

Nested classes/interfaces inherited from class com.google.protobuf.AbstractMessageLite

com.google.protobuf.AbstractMessageLite.InternalOneOfEnum

Field Summary

Fields

Modifier and Type	Field and Description
static int	APP_PROFILE_ID_FIELD_NUMBER
static int	CONTINUATION_TOKENS_FIELD_NUMBER
static int	END_TIME_FIELD_NUMBER
static int	HEARTBEAT_DURATION_FIELD_NUMBER
static int	PARTITION_FIELD_NUMBER
static int	START_TIME_FIELD_NUMBER
static int	TABLE_NAME_FIELD_NUMBER

Fields inherited from class com.google.protobuf.GeneratedMessageV3

alwaysUseFieldBuilders, unknownFields

Fields inherited from class com.google.protobuf.AbstractMessage

memoizedSize

Fields inherited from class com.google.protobuf.AbstractMessageLite

memoizedHashCode

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getAppProfileId() This value specifies routing for replication.
com.google.protobuf.ByteString	getAppProfileIdBytes() This value specifies routing for replication.
StreamContinuationTokens	getContinuationTokens() Tokens that describe how to resume reading a stream where reading previously left off.
StreamContinuationTokensOrBuilder	getContinuationTokensOrBuilder() Tokens that describe how to resume reading a stream where reading previously left off.
static ReadChangeStreamRequest	getDefaultInstance()
ReadChangeStreamRequest	getDefaultInstanceForType()
static com.google.protobuf.Descriptors.Descriptor	getDescriptor()
com.google.protobuf.Timestamp	getEndTime() If specified, OK will be returned when the stream advances beyond this time.
com.google.protobuf.TimestampOrBuilder	getEndTimeOrBuilder() If specified, OK will be returned when the stream advances beyond this time.
com.google.protobuf.Duration	getHeartbeatDuration() If specified, the duration between `Heartbeat` messages on the stream.
com.google.protobuf.DurationOrBuilder	getHeartbeatDurationOrBuilder() If specified, the duration between `Heartbeat` messages on the stream.
com.google.protobuf.Parser<ReadChangeStreamRequest>	getParserForType()
StreamPartition	getPartition() The partition to read changes from.
StreamPartitionOrBuilder	getPartitionOrBuilder() The partition to read changes from.
int	getSerializedSize()
ReadChangeStreamRequest.StartFromCase	getStartFromCase()
com.google.protobuf.Timestamp	getStartTime() Start reading the stream at the specified timestamp.
com.google.protobuf.TimestampOrBuilder	getStartTimeOrBuilder() Start reading the stream at the specified timestamp.
String	getTableName() Required.
com.google.protobuf.ByteString	getTableNameBytes() Required.
com.google.protobuf.UnknownFieldSet	getUnknownFields()
boolean	hasContinuationTokens() Tokens that describe how to resume reading a stream where reading previously left off.
boolean	hasEndTime() If specified, OK will be returned when the stream advances beyond this time.
int	hashCode()
boolean	hasHeartbeatDuration() If specified, the duration between `Heartbeat` messages on the stream.
boolean	hasPartition() The partition to read changes from.
boolean	hasStartTime() Start reading the stream at the specified timestamp.
protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable	internalGetFieldAccessorTable()
boolean	isInitialized()
static ReadChangeStreamRequest.Builder	newBuilder()
static ReadChangeStreamRequest.Builder	newBuilder(ReadChangeStreamRequest prototype)
ReadChangeStreamRequest.Builder	newBuilderForType()
protected ReadChangeStreamRequest.Builder	newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)
protected Object	newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)
static ReadChangeStreamRequest	parseDelimitedFrom(InputStream input)
static ReadChangeStreamRequest	parseDelimitedFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static ReadChangeStreamRequest	parseFrom(byte[] data)
static ReadChangeStreamRequest	parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static ReadChangeStreamRequest	parseFrom(ByteBuffer data)
static ReadChangeStreamRequest	parseFrom(ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static ReadChangeStreamRequest	parseFrom(com.google.protobuf.ByteString data)
static ReadChangeStreamRequest	parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static ReadChangeStreamRequest	parseFrom(com.google.protobuf.CodedInputStream input)
static ReadChangeStreamRequest	parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static ReadChangeStreamRequest	parseFrom(InputStream input)
static ReadChangeStreamRequest	parseFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
static com.google.protobuf.Parser<ReadChangeStreamRequest>	parser()
ReadChangeStreamRequest.Builder	toBuilder()
void	writeTo(com.google.protobuf.CodedOutputStream output)

Methods inherited from class com.google.protobuf.GeneratedMessageV3

canUseUnsafe, computeStringSize, computeStringSizeNoTag, emptyBooleanList, emptyDoubleList, emptyFloatList, emptyIntList, emptyLongList, getAllFields, getDescriptorForType, getField, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, hasField, hasOneof, internalGetMapField, isStringEmpty, makeExtensionsImmutable, mergeFromAndMakeImmutableInternal, mutableCopy, mutableCopy, mutableCopy, mutableCopy, mutableCopy, newBooleanList, newBuilderForType, newDoubleList, newFloatList, newIntList, newLongList, parseDelimitedWithIOException, parseDelimitedWithIOException, parseUnknownField, parseUnknownFieldProto3, parseWithIOException, parseWithIOException, parseWithIOException, parseWithIOException, serializeBooleanMapTo, serializeIntegerMapTo, serializeLongMapTo, serializeStringMapTo, writeReplace, writeString, writeStringNoTag

Methods inherited from class com.google.protobuf.AbstractMessage

findInitializationErrors, getInitializationErrorString, hashBoolean, hashEnum, hashEnumList, hashFields, hashLong, toString

Methods inherited from class com.google.protobuf.AbstractMessageLite

addAll, addAll, checkByteStringIsUtf8, toByteArray, toByteString, writeDelimitedTo, writeTo

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.protobuf.MessageOrBuilder

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

Methods inherited from interface com.google.protobuf.MessageLite

toByteArray, toByteString, writeDelimitedTo, writeTo

Field Detail

TABLE_NAME_FIELD_NUMBER

public static final int TABLE_NAME_FIELD_NUMBER

See Also:

Constant Field Values

APP_PROFILE_ID_FIELD_NUMBER

public static final int APP_PROFILE_ID_FIELD_NUMBER

See Also:

Constant Field Values

PARTITION_FIELD_NUMBER

public static final int PARTITION_FIELD_NUMBER

See Also:

Constant Field Values

START_TIME_FIELD_NUMBER

public static final int START_TIME_FIELD_NUMBER

See Also:

Constant Field Values

CONTINUATION_TOKENS_FIELD_NUMBER

public static final int CONTINUATION_TOKENS_FIELD_NUMBER

See Also:

Constant Field Values

END_TIME_FIELD_NUMBER

public static final int END_TIME_FIELD_NUMBER

See Also:

Constant Field Values

HEARTBEAT_DURATION_FIELD_NUMBER

public static final int HEARTBEAT_DURATION_FIELD_NUMBER

See Also:

Constant Field Values

Method Detail

newInstance

protected Object newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)

Overrides:

newInstance in class com.google.protobuf.GeneratedMessageV3

getUnknownFields

public final com.google.protobuf.UnknownFieldSet getUnknownFields()

Specified by:

getUnknownFields in interface com.google.protobuf.MessageOrBuilder

Overrides:

getUnknownFields in class com.google.protobuf.GeneratedMessageV3

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

getStartFromCase

public ReadChangeStreamRequest.StartFromCase getStartFromCase()

Specified by:

getStartFromCase in interface ReadChangeStreamRequestOrBuilder

getTableName

public String getTableName()

 Required. The unique name of the table from which to read a change stream.
 Values are of the form
 `projects/<project>/instances/<instance>/tables/<table>`.
 Change streaming must be enabled on the table.
 

string table_name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }

Specified by:

getTableName in interface ReadChangeStreamRequestOrBuilder

Returns:

The tableName.

getTableNameBytes

public com.google.protobuf.ByteString getTableNameBytes()

 Required. The unique name of the table from which to read a change stream.
 Values are of the form
 `projects/<project>/instances/<instance>/tables/<table>`.
 Change streaming must be enabled on the table.
 

string table_name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }

Specified by:

getTableNameBytes in interface ReadChangeStreamRequestOrBuilder

Returns:

The bytes for tableName.

getAppProfileId

public String getAppProfileId()

 This value specifies routing for replication. If not specified, the
 "default" application profile will be used.
 Single cluster routing must be configured on the profile.
 

string app_profile_id = 2;

Specified by:

getAppProfileId in interface ReadChangeStreamRequestOrBuilder

Returns:

The appProfileId.

getAppProfileIdBytes

public com.google.protobuf.ByteString getAppProfileIdBytes()

 This value specifies routing for replication. If not specified, the
 "default" application profile will be used.
 Single cluster routing must be configured on the profile.
 

string app_profile_id = 2;

Specified by:

getAppProfileIdBytes in interface ReadChangeStreamRequestOrBuilder

Returns:

The bytes for appProfileId.

hasPartition

public boolean hasPartition()

 The partition to read changes from.
 

.google.bigtable.v2.StreamPartition partition = 3;

Specified by:

hasPartition in interface ReadChangeStreamRequestOrBuilder

Returns:

Whether the partition field is set.

getPartition

public StreamPartition getPartition()

 The partition to read changes from.
 

.google.bigtable.v2.StreamPartition partition = 3;

Specified by:

getPartition in interface ReadChangeStreamRequestOrBuilder

Returns:

The partition.

getPartitionOrBuilder

public StreamPartitionOrBuilder getPartitionOrBuilder()

 The partition to read changes from.
 

.google.bigtable.v2.StreamPartition partition = 3;

Specified by:

getPartitionOrBuilder in interface ReadChangeStreamRequestOrBuilder

hasStartTime

public boolean hasStartTime()

 Start reading the stream at the specified timestamp. This timestamp must
 be within the change stream retention period, less than or equal to the
 current time, and after change stream creation, whichever is greater.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp start_time = 4;

Specified by:

hasStartTime in interface ReadChangeStreamRequestOrBuilder

Returns:

Whether the startTime field is set.

getStartTime

public com.google.protobuf.Timestamp getStartTime()

 Start reading the stream at the specified timestamp. This timestamp must
 be within the change stream retention period, less than or equal to the
 current time, and after change stream creation, whichever is greater.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp start_time = 4;

Specified by:

getStartTime in interface ReadChangeStreamRequestOrBuilder

Returns:

The startTime.

getStartTimeOrBuilder

public com.google.protobuf.TimestampOrBuilder getStartTimeOrBuilder()

 Start reading the stream at the specified timestamp. This timestamp must
 be within the change stream retention period, less than or equal to the
 current time, and after change stream creation, whichever is greater.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp start_time = 4;

Specified by:

getStartTimeOrBuilder in interface ReadChangeStreamRequestOrBuilder

hasContinuationTokens

public boolean hasContinuationTokens()

 Tokens that describe how to resume reading a stream where reading
 previously left off. If specified, changes will be read starting at the
 the position. Tokens are delivered on the stream as part of `Heartbeat`
 and `CloseStream` messages.
 If a single token is provided, the token’s partition must exactly match
 the request’s partition. If multiple tokens are provided, as in the case
 of a partition merge, the union of the token partitions must exactly
 cover the request’s partition. Otherwise, INVALID_ARGUMENT will be
 returned.
 

.google.bigtable.v2.StreamContinuationTokens continuation_tokens = 6;

Specified by:

hasContinuationTokens in interface ReadChangeStreamRequestOrBuilder

Returns:

Whether the continuationTokens field is set.

getContinuationTokens

public StreamContinuationTokens getContinuationTokens()

 Tokens that describe how to resume reading a stream where reading
 previously left off. If specified, changes will be read starting at the
 the position. Tokens are delivered on the stream as part of `Heartbeat`
 and `CloseStream` messages.
 If a single token is provided, the token’s partition must exactly match
 the request’s partition. If multiple tokens are provided, as in the case
 of a partition merge, the union of the token partitions must exactly
 cover the request’s partition. Otherwise, INVALID_ARGUMENT will be
 returned.
 

.google.bigtable.v2.StreamContinuationTokens continuation_tokens = 6;

Specified by:

getContinuationTokens in interface ReadChangeStreamRequestOrBuilder

Returns:

The continuationTokens.

getContinuationTokensOrBuilder

public StreamContinuationTokensOrBuilder getContinuationTokensOrBuilder()

 Tokens that describe how to resume reading a stream where reading
 previously left off. If specified, changes will be read starting at the
 the position. Tokens are delivered on the stream as part of `Heartbeat`
 and `CloseStream` messages.
 If a single token is provided, the token’s partition must exactly match
 the request’s partition. If multiple tokens are provided, as in the case
 of a partition merge, the union of the token partitions must exactly
 cover the request’s partition. Otherwise, INVALID_ARGUMENT will be
 returned.
 

.google.bigtable.v2.StreamContinuationTokens continuation_tokens = 6;

Specified by:

getContinuationTokensOrBuilder in interface ReadChangeStreamRequestOrBuilder

hasEndTime

public boolean hasEndTime()

 If specified, OK will be returned when the stream advances beyond
 this time. Otherwise, changes will be continuously delivered on the stream.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp end_time = 5;

Specified by:

hasEndTime in interface ReadChangeStreamRequestOrBuilder

Returns:

Whether the endTime field is set.

getEndTime

public com.google.protobuf.Timestamp getEndTime()

 If specified, OK will be returned when the stream advances beyond
 this time. Otherwise, changes will be continuously delivered on the stream.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp end_time = 5;

Specified by:

getEndTime in interface ReadChangeStreamRequestOrBuilder

Returns:

The endTime.

getEndTimeOrBuilder

public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder()

 If specified, OK will be returned when the stream advances beyond
 this time. Otherwise, changes will be continuously delivered on the stream.
 This value is inclusive and will be truncated to microsecond granularity.
 

.google.protobuf.Timestamp end_time = 5;

Specified by:

getEndTimeOrBuilder in interface ReadChangeStreamRequestOrBuilder

hasHeartbeatDuration

public boolean hasHeartbeatDuration()

 If specified, the duration between `Heartbeat` messages on the stream.
 Otherwise, defaults to 5 seconds.
 

.google.protobuf.Duration heartbeat_duration = 7;

Specified by:

hasHeartbeatDuration in interface ReadChangeStreamRequestOrBuilder

Returns:

Whether the heartbeatDuration field is set.

getHeartbeatDuration

public com.google.protobuf.Duration getHeartbeatDuration()

 If specified, the duration between `Heartbeat` messages on the stream.
 Otherwise, defaults to 5 seconds.
 

.google.protobuf.Duration heartbeat_duration = 7;

Specified by:

getHeartbeatDuration in interface ReadChangeStreamRequestOrBuilder

Returns:

The heartbeatDuration.

getHeartbeatDurationOrBuilder

public com.google.protobuf.DurationOrBuilder getHeartbeatDurationOrBuilder()

 If specified, the duration between `Heartbeat` messages on the stream.
 Otherwise, defaults to 5 seconds.
 

.google.protobuf.Duration heartbeat_duration = 7;

Specified by:

getHeartbeatDurationOrBuilder in interface ReadChangeStreamRequestOrBuilder

isInitialized

public final boolean isInitialized()

Specified by:

isInitialized in interface com.google.protobuf.MessageLiteOrBuilder

Overrides:

isInitialized in class com.google.protobuf.GeneratedMessageV3

writeTo

public void writeTo(com.google.protobuf.CodedOutputStream output)
             throws IOException

Specified by:

writeTo in interface com.google.protobuf.MessageLite

Overrides:

writeTo in class com.google.protobuf.GeneratedMessageV3

Throws:

IOException

getSerializedSize

public int getSerializedSize()

Specified by:

getSerializedSize in interface com.google.protobuf.MessageLite

Overrides:

getSerializedSize in class com.google.protobuf.GeneratedMessageV3

equals

public boolean equals(Object obj)

Specified by:

equals in interface com.google.protobuf.Message

Overrides:

equals in class com.google.protobuf.AbstractMessage

hashCode

public int hashCode()

Specified by:

hashCode in interface com.google.protobuf.Message

Overrides:

hashCode in class com.google.protobuf.AbstractMessage

parseFrom

public static ReadChangeStreamRequest parseFrom(ByteBuffer data)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(ByteBuffer data,
                                                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(com.google.protobuf.ByteString data)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(com.google.protobuf.ByteString data,
                                                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(byte[] data)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(byte[] data,
                                                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                         throws com.google.protobuf.InvalidProtocolBufferException

Throws:

com.google.protobuf.InvalidProtocolBufferException

parseFrom

public static ReadChangeStreamRequest parseFrom(InputStream input)
                                         throws IOException

Throws:

IOException

parseFrom

public static ReadChangeStreamRequest parseFrom(InputStream input,
                                                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                         throws IOException

Throws:

IOException

parseDelimitedFrom

public static ReadChangeStreamRequest parseDelimitedFrom(InputStream input)
                                                  throws IOException

Throws:

IOException

parseDelimitedFrom

public static ReadChangeStreamRequest parseDelimitedFrom(InputStream input,
                                                         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                                  throws IOException

Throws:

IOException

parseFrom

public static ReadChangeStreamRequest parseFrom(com.google.protobuf.CodedInputStream input)
                                         throws IOException

Throws:

IOException

parseFrom

public static ReadChangeStreamRequest parseFrom(com.google.protobuf.CodedInputStream input,
                                                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                         throws IOException

Throws:

IOException

newBuilderForType

public ReadChangeStreamRequest.Builder newBuilderForType()

Specified by:

newBuilderForType in interface com.google.protobuf.Message

Specified by:

newBuilderForType in interface com.google.protobuf.MessageLite

newBuilder

public static ReadChangeStreamRequest.Builder newBuilder()

newBuilder

public static ReadChangeStreamRequest.Builder newBuilder(ReadChangeStreamRequest prototype)

toBuilder

public ReadChangeStreamRequest.Builder toBuilder()

Specified by:

toBuilder in interface com.google.protobuf.Message

Specified by:

toBuilder in interface com.google.protobuf.MessageLite

newBuilderForType

protected ReadChangeStreamRequest.Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)

Specified by:

newBuilderForType in class com.google.protobuf.GeneratedMessageV3

getDefaultInstance

public static ReadChangeStreamRequest getDefaultInstance()

parser

public static com.google.protobuf.Parser<ReadChangeStreamRequest> parser()

getParserForType

public com.google.protobuf.Parser<ReadChangeStreamRequest> getParserForType()

Specified by:

getParserForType in interface com.google.protobuf.Message

Specified by:

getParserForType in interface com.google.protobuf.MessageLite

Overrides:

getParserForType in class com.google.protobuf.GeneratedMessageV3

getDefaultInstanceForType

public ReadChangeStreamRequest getDefaultInstanceForType()

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageLiteOrBuilder

Specified by:

getDefaultInstanceForType in interface com.google.protobuf.MessageOrBuilder