@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (java.lang.Double.doubleToRawLongBits(latitude_) != 0) {
      output.writeDouble(1, latitude_);
    }
    if (java.lang.Double.doubleToRawLongBits(longitude_) != 0) {
      output.writeDouble(2, longitude_);
    }
    if (java.lang.Double.doubleToRawLongBits(radiusMeter_) != 0) {
      output.writeDouble(3, radiusMeter_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Radius of the circle area in meters.
</pre>

<code>double radius_meter = 3;</code>

@return The radiusMeter.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CircleArea.java