@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      encoding_ = 0;
      sampleRateHertz_ = 0;
      audioChannelCount_ = 0;
      enableSeparateRecognitionPerChannel_ = false;
      languageCode_ = "";
      alternativeLanguageCodes_ = com.google.protobuf.LazyStringArrayList.emptyList();
      maxAlternatives_ = 0;
      profanityFilter_ = false;
      adaptation_ = null;
      if (adaptationBuilder_ != null) {
        adaptationBuilder_.dispose();
        adaptationBuilder_ = null;
      }
      transcriptNormalization_ = null;
      if (transcriptNormalizationBuilder_ != null) {
        transcriptNormalizationBuilder_.dispose();
        transcriptNormalizationBuilder_ = null;
      }
      if (speechContextsBuilder_ == null) {
        speechContexts_ = java.util.Collections.emptyList();
      } else {
        speechContexts_ = null;
        speechContextsBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000400);
      enableWordTimeOffsets_ = false;
      enableWordConfidence_ = false;
      enableAutomaticPunctuation_ = false;
      enableSpokenPunctuation_ = null;
      if (enableSpokenPunctuationBuilder_ != null) {
        enableSpokenPunctuationBuilder_.dispose();
        enableSpokenPunctuationBuilder_ = null;
      }
      enableSpokenEmojis_ = null;
      if (enableSpokenEmojisBuilder_ != null) {
        enableSpokenEmojisBuilder_.dispose();
        enableSpokenEmojisBuilder_ = null;
      }
      diarizationConfig_ = null;
      if (diarizationConfigBuilder_ != null) {
        diarizationConfigBuilder_.dispose();
        diarizationConfigBuilder_ = null;
      }
      metadata_ = null;
      if (metadataBuilder_ != null) {
        metadataBuilder_.dispose();
        metadataBuilder_ = null;
      }
      model_ = "";
      useEnhanced_ = false;
      return this;
    }
<pre>
Provides information to the recognizer that specifies how to process the
request.
</pre>

Protobuf type {@code google.cloud.speech.v1.RecognitionConfig}
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/RecognitionConfig.java