public Builder putAllOutputs(
        java.util.Map<
                java.lang.String, com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata>
            values) {
      for (java.util.Map.Entry<
              java.lang.String, com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata>
          e : values.entrySet()) {
        if (e.getKey() == null || e.getValue() == null) {
          throw new NullPointerException();
        }
      }
      internalGetMutableOutputs().ensureBuilderMap().putAll(values);
      bitField0_ |= 0x00000002;
      return this;
    }
<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