@java.lang.Override
  public com.google.protobuf.ByteString getLatentSpaceSourceBytes() {
    java.lang.Object ref = latentSpaceSource_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      latentSpaceSource_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<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