public Builder setConfig(com.google.cloud.speech.v1p1beta1.RecognitionConfig value) {
      if (configBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        config_ = value;
      } else {
        configBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Required. Provides information to the recognizer that specifies how to
process the request.
</pre>

<code>
.google.cloud.speech.v1p1beta1.RecognitionConfig config = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/StreamingRecognitionConfig.java