# Class BatchWriteSpansRequest.Builder (2.93.0)

2.93.0 (latest) 2.91.0 2.88.0 2.87.0 2.85.0 2.83.0 2.82.0 2.80.0 2.78.0 2.76.0 2.75.0 2.74.0 2.73.0 2.72.0 2.70.0 2.68.0 2.67.0 2.64.0 2.63.0 2.62.0 2.60.0 2.59.0 2.58.0 2.57.0 2.56.0 2.55.0 2.54.0 2.53.0 2.52.0 2.51.0 2.49.0 2.48.0 2.47.0 2.46.0 2.45.0 2.44.0 2.43.0 2.42.0 2.41.0 2.40.0 2.39.0 2.37.0 2.36.0 2.35.0 2.34.0 2.33.0 2.32.0 2.31.0 2.30.0 2.29.0 2.28.0 2.27.0 2.24.0 2.23.0 2.22.0 2.21.0 2.20.0 2.19.0 2.18.0 2.17.0 2.16.0 2.15.0 2.14.0 2.13.0 2.12.0 2.11.0 2.9.0 2.8.0 2.7.0 2.6.0 2.5.0 2.4.0 2.3.7 2.2.0 2.1.13

    public static final class BatchWriteSpansRequest.Builder extends GeneratedMessage.Builder<BatchWriteSpansRequest.Builder> implements BatchWriteSpansRequestOrBuilder

The request message for the `BatchWriteSpans` method.

Protobuf type `google.devtools.cloudtrace.v2.BatchWriteSpansRequest`

## Inheritance

[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \> [AbstractMessageLite.Builder\<MessageType,BuilderType\>](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessageLite.Builder.html) \> [AbstractMessage.Builder\<BuilderType\>](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html) \> [GeneratedMessage.Builder](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.Builder.html) \> BatchWriteSpansRequest.Builder

## Implements

[BatchWriteSpansRequestOrBuilder](https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequestOrBuilder)

## Inherited Members

[AbstractMessage.Builder.findInitializationErrors()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_findInitializationErrors__) [AbstractMessage.Builder.getInitializationErrorString()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_getInitializationErrorString__) [AbstractMessage.Builder.internalMergeFrom(AbstractMessageLite)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_internalMergeFrom_com_google_protobuf_AbstractMessageLite_) [AbstractMessage.Builder.mergeFrom(byte\[\])](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_mergeFrom_byte___) 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T\>)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessageLite.Builder.html#com_google_protobuf_AbstractMessageLite_Builder__T_addAll_java_lang_Iterable_T__java_util_Collection___super_T__) [AbstractMessageLite.Builder.\<T\>addAll(Iterable\<T\>,List\<? super T\>)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessageLite.Builder.html#com_google_protobuf_AbstractMessageLite_Builder__T_addAll_java_lang_Iterable_T__java_util_List___super_T__) [AbstractMessageLite.Builder.internalMergeFrom(MessageType)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessageLite.Builder.html#com_google_protobuf_AbstractMessageLite_Builder_internalMergeFrom_MessageType_) 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## Static Methods

### getDescriptor()

    public static final Descriptors.Descriptor getDescriptor()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Descriptors.Descriptor.html` |   |

## Methods

### addAllSpans(Iterable\<? extends Span\> values)

    public BatchWriteSpansRequest.Builder addAllSpans(Iterable<? extends Span> values)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `values` | `https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html<? extends com.google.devtools.cloudtrace.v2.Span>` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### addSpans(Span value)

    public BatchWriteSpansRequest.Builder addSpans(Span value)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `value` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### addSpans(Span.Builder builderForValue)

    public BatchWriteSpansRequest.Builder addSpans(Span.Builder builderForValue)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `builderForValue` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### addSpans(int index, Span value)

    public BatchWriteSpansRequest.Builder addSpans(int index, Span value)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |
| `value` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### addSpans(int index, Span.Builder builderForValue)

    public BatchWriteSpansRequest.Builder addSpans(int index, Span.Builder builderForValue)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |
| `builderForValue` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### addSpansBuilder()

    public Span.Builder addSpansBuilder()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |   |

### addSpansBuilder(int index)

    public Span.Builder addSpansBuilder(int index)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |   |

### build()

    public BatchWriteSpansRequest build()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest` |   |

### buildPartial()

    public BatchWriteSpansRequest buildPartial()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest` |   |

### clear()

    public BatchWriteSpansRequest.Builder clear()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

**Overrides** [GeneratedMessage.Builder\<BuilderType\>.clear()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.Builder.html#com_google_protobuf_GeneratedMessage_Builder_clear__)

### clearName()

    public BatchWriteSpansRequest.Builder clearName()

Required. The name of the project where the spans belong. The format is
`projects/[PROJECT_ID]`.

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

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` | This builder for chaining. |

### clearSpans()

    public BatchWriteSpansRequest.Builder clearSpans()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### getDefaultInstanceForType()

    public BatchWriteSpansRequest getDefaultInstanceForType()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest` |   |

### getDescriptorForType()

    public Descriptors.Descriptor getDescriptorForType()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Descriptors.Descriptor.html` |   |

**Overrides** [GeneratedMessage.Builder\<BuilderType\>.getDescriptorForType()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.Builder.html#com_google_protobuf_GeneratedMessage_Builder_getDescriptorForType__)

### getName()

    public String getName()

Required. The name of the project where the spans belong. The format is
`projects/[PROJECT_ID]`.

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

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/8/docs/api/java/lang/String.html` | The name. |

### getNameBytes()

    public ByteString getNameBytes()

Required. The name of the project where the spans belong. The format is
`projects/[PROJECT_ID]`.

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

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.ByteString.html` | The bytes for name. |

### getSpans(int index)

    public Span getSpans(int index)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span` |   |

### getSpansBuilder(int index)

    public Span.Builder getSpansBuilder(int index)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |   |

### getSpansBuilderList()

    public List<Span.Builder> getSpansBuilderList()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/8/docs/api/java/util/List.html<https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder>` |   |

### getSpansCount()

    public int getSpansCount()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |   |

### getSpansList()

    public List<Span> getSpansList()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/8/docs/api/java/util/List.html<https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span>` |   |

### getSpansOrBuilder(int index)

    public SpanOrBuilder getSpansOrBuilder(int index)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.SpanOrBuilder` |   |

### getSpansOrBuilderList()

    public List<? extends SpanOrBuilder> getSpansOrBuilderList()

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/8/docs/api/java/util/List.html<? extends com.google.devtools.cloudtrace.v2.SpanOrBuilder>` |   |

### internalGetFieldAccessorTable()

    protected GeneratedMessage.FieldAccessorTable internalGetFieldAccessorTable()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.FieldAccessorTable.html` |   |

**Overrides** [GeneratedMessage.Builder\<BuilderType\>.internalGetFieldAccessorTable()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.Builder.html#com_google_protobuf_GeneratedMessage_Builder_internalGetFieldAccessorTable__)

### isInitialized()

    public final boolean isInitialized()

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |   |

**Overrides** [GeneratedMessage.Builder\<BuilderType\>.isInitialized()](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.GeneratedMessage.Builder.html#com_google_protobuf_GeneratedMessage_Builder_isInitialized__)

### mergeFrom(BatchWriteSpansRequest other)

    public BatchWriteSpansRequest.Builder mergeFrom(BatchWriteSpansRequest other)

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `other` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### mergeFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)

    public BatchWriteSpansRequest.Builder mergeFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `input` | `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.CodedInputStream.html` |
| `extensionRegistry` | `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.ExtensionRegistryLite.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

**Overrides** [AbstractMessage.Builder\<BuilderType\>.mergeFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_mergeFrom_com_google_protobuf_CodedInputStream_com_google_protobuf_ExtensionRegistryLite_)

| **Exceptions** ||
|---|---|
| **Type** | **Description** |
| `https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html` |   |

### mergeFrom(Message other)

    public BatchWriteSpansRequest.Builder mergeFrom(Message other)

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `other` | `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Message.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

**Overrides** [AbstractMessage.Builder\<BuilderType\>.mergeFrom(Message other)](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.AbstractMessage.Builder.html#com_google_protobuf_AbstractMessage_Builder_mergeFrom_com_google_protobuf_Message_)

### removeSpans(int index)

    public BatchWriteSpansRequest.Builder removeSpans(int index)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### setName(String value)

    public BatchWriteSpansRequest.Builder setName(String value)

Required. The name of the project where the spans belong. The format is
`projects/[PROJECT_ID]`.

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

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `value` | `https://docs.oracle.com/javase/8/docs/api/java/lang/String.html` The name to set. |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` | This builder for chaining. |

### setNameBytes(ByteString value)

    public BatchWriteSpansRequest.Builder setNameBytes(ByteString value)

Required. The name of the project where the spans belong. The format is
`projects/[PROJECT_ID]`.

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

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `value` | `https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.ByteString.html` The bytes for name to set. |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` | This builder for chaining. |

### setSpans(int index, Span value)

    public BatchWriteSpansRequest.Builder setSpans(int index, Span value)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |
| `value` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |

### setSpans(int index, Span.Builder builderForValue)

    public BatchWriteSpansRequest.Builder setSpans(int index, Span.Builder builderForValue)

Required. A list of new spans. The span names must not match existing
spans, otherwise the results are undefined.

`
repeated .google.devtools.cloudtrace.v2.Span spans = 2 [(.google.api.field_behavior) = REQUIRED];
`

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `index` | `https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html` |
| `builderForValue` | `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.Span.Builder` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/java/docs/reference/google-cloud-trace/latest/com.google.devtools.cloudtrace.v2.BatchWriteSpansRequest.Builder` |   |