@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
        output, internalGetInputs(), InputsDefaultEntryHolder.defaultEntry, 1);
    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
        output, internalGetOutputs(), OutputsDefaultEntryHolder.defaultEntry, 2);
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(featureAttributionsSchemaUri_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, featureAttributionsSchemaUri_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(latentSpaceSource_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, latentSpaceSource_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Name of the source to generate embeddings for example based explanations.
</pre>

<code>string latent_space_source = 5;</code>

@return The bytes for latentSpaceSource.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java