private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig,
            com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig.Builder,
            com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfigOrBuilder>
        getStreamingConfigFieldBuilder() {
      if (streamingConfigBuilder_ == null) {
        if (!(streamingRequestCase_ == 1)) {
          streamingRequest_ =
              com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig.getDefaultInstance();
        }
        streamingConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig,
                com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig.Builder,
                com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfigOrBuilder>(
                (com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig) streamingRequest_,
                getParentForChildren(),
                isClean());
        streamingRequest_ = null;
      }
      streamingRequestCase_ = 1;
      onChanged();
      return streamingConfigBuilder_;
    }
<pre>
Provides information to the recognizer that specifies how to process the
request. The first `StreamingRecognizeRequest` message must contain a
`streaming_config`  message.
</pre>

<code>.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig streaming_config = 1;</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/StreamingRecognizeRequest.java