private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.speech.v2.CreateRecognizerRequest,
            com.google.cloud.speech.v2.CreateRecognizerRequest.Builder,
            com.google.cloud.speech.v2.CreateRecognizerRequestOrBuilder>
        getCreateRecognizerRequestFieldBuilder() {
      if (createRecognizerRequestBuilder_ == null) {
        if (!(requestCase_ == 9)) {
          request_ = com.google.cloud.speech.v2.CreateRecognizerRequest.getDefaultInstance();
        }
        createRecognizerRequestBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.speech.v2.CreateRecognizerRequest,
                com.google.cloud.speech.v2.CreateRecognizerRequest.Builder,
                com.google.cloud.speech.v2.CreateRecognizerRequestOrBuilder>(
                (com.google.cloud.speech.v2.CreateRecognizerRequest) request_,
                getParentForChildren(),
                isClean());
        request_ = null;
      }
      requestCase_ = 9;
      onChanged();
      return createRecognizerRequestBuilder_;
    }
<pre>
The CreateRecognizerRequest that spawned the Operation.
</pre>

<code>.google.cloud.speech.v2.CreateRecognizerRequest create_recognizer_request = 9;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OperationMetadata.java