@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