public static com.google.cloud.vision.v1.FaceAnnotation getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
Headwear likelihood.
</pre>

<code>.google.cloud.vision.v1.Likelihood headwear_likelihood = 15;</code>

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