public com.google.cloud.visionai.v1.NormalizedPolyline.Builder getCrossingLineBuilder() {
      return getCrossingLineFieldBuilder().getBuilder();
    }
<pre>
Annotation for type CROSSING_LINE
</pre>

<code>.google.cloud.visionai.v1.NormalizedPolyline crossing_line = 6;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/StreamAnnotation.java