@java.lang.Override
    public com.google.cloud.visionai.v1.NormalizedPolyline getCrossingLine() {
      if (crossingLineBuilder_ == null) {
        if (annotationPayloadCase_ == 6) {
          return (com.google.cloud.visionai.v1.NormalizedPolyline) annotationPayload_;
        }
        return com.google.cloud.visionai.v1.NormalizedPolyline.getDefaultInstance();
      } else {
        if (annotationPayloadCase_ == 6) {
          return crossingLineBuilder_.getMessage();
        }
        return com.google.cloud.visionai.v1.NormalizedPolyline.getDefaultInstance();
      }
    }
<pre>
Annotation for type CROSSING_LINE
</pre>

<code>.google.cloud.visionai.v1.NormalizedPolyline crossing_line = 6;</code>

@return The crossingLine.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/StreamAnnotation.java