@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(value_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, value_);
      }
      getUnknownFields().writeTo(output);
    }
<pre>
The class item's value.
</pre>

<code>string value = 1;</code>

@return The bytes for value.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/CustomClass.java