@java.lang.Override
    public com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding getEncoding() {
      com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding result =
          com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding.forNumber(
              encoding_);
      return result == null
          ? com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding.UNRECOGNIZED
          : result;
    }
<pre>
Defines how the feature is encoded into the input tensor. Defaults to
IDENTITY.
</pre>

<code>.google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Encoding encoding = 3;
</code>

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