public static com.google.cloud.vertexai.api.ExplanationMetadata getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
Name of the source to generate embeddings for example based explanations.
</pre>

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

@param value The bytes for latentSpaceSource to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java