@java.lang.Override
    public java.util.Map<
            java.lang.String, com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata>
        getOutputsMap() {
      return internalGetOutputs().getImmutableMap();
    }
<pre>
Required. Map from output names to output metadata.

For Vertex AI-provided Tensorflow images, keys can be any user defined
string that consists of any UTF-8 characters.

For custom images, keys are the name of the output field in the prediction
to be explained.

Currently only one key is allowed.
</pre>

<code>
map&lt;string, .google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata&gt; outputs = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java