@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(uri_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, uri_);
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getResolution());
      }
      if (java.lang.Double.doubleToRawLongBits(alpha_) != 0) {
        size += com.google.protobuf.CodedOutputStream.computeDoubleSize(3, alpha_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Target image opacity. Valid values are from  `1.0` (solid, default) to
`0.0` (transparent), exclusive. Set this to a value greater than `0.0`.
</pre>

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

@return The alpha.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Overlay.java