@java.lang.Override
  public com.google.cloud.vertexai.api.Retrieval getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
<pre>
Optional. Deprecated. This option is no longer supported.
</pre>

<code>
bool disable_attribution = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
</code>

@deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
    google/cloud/vertexai/v1/tool.proto;l=219
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Retrieval.java