private void ensureEventsIsMutable() {
      if (!((bitField0_ & 0x00000004) != 0)) {
        events_ =
            new java.util.ArrayList<com.google.cloud.visionai.v1.AppPlatformEventBody>(events_);
        bitField0_ |= 0x00000004;
      }
    }
<pre>
If set to true, AppPlatform will use original annotations instead of
dropping them, even if it is empty in the annotations filed.
</pre>

<code>bool annotation_passthrough = 3;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AppPlatformCloudFunctionResponse.java