public com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride.Builder
        putInputsBuilderIfAbsent(java.lang.String key) {
      java.util.Map<
              java.lang.String,
              com.google.cloud.vertexai.api.ExplanationMetadataOverride
                  .InputMetadataOverrideOrBuilder>
          builderMap = internalGetMutableInputs().ensureBuilderMap();
      com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverrideOrBuilder
          entry = builderMap.get(key);
      if (entry == null) {
        entry =
            com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
                .newBuilder();
        builderMap.put(key, entry);
      }
      if (entry
          instanceof
          com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride) {
        entry =
            ((com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride)
                    entry)
                .toBuilder();
        builderMap.put(key, entry);
      }
      return (com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
              .Builder)
          entry;
    }
<pre>
Required. Overrides the [input
metadata][google.cloud.aiplatform.v1.ExplanationMetadata.inputs] of the
features. The key is the name of the feature to be overridden. The keys
specified here must exist in the input metadata to be overridden. If a
feature is not specified here, the corresponding feature's input metadata
is not overridden.
</pre>

<code>
map&lt;string, .google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride&gt; inputs = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverride.java