public Builder mergeRecognizer(com.google.cloud.speech.v2.Recognizer value) {
      if (recognizerBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && recognizer_ != null
            && recognizer_ != com.google.cloud.speech.v2.Recognizer.getDefaultInstance()) {
          getRecognizerBuilder().mergeFrom(value);
        } else {
          recognizer_ = value;
        }
      } else {
        recognizerBuilder_.mergeFrom(value);
      }
      if (recognizer_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
Required. The Recognizer to update.

The Recognizer's `name` field is used to identify the Recognizer to update.
Format: `projects/{project}/locations/{location}/recognizers/{recognizer}`.
</pre>

<code>
.google.cloud.speech.v2.Recognizer recognizer = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/UpdateRecognizerRequest.java