public Builder clearDisplayName() {
      displayName_ = getDefaultInstance().getDisplayName();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }
<pre>
Output only. User-settable, human-readable name for the PhraseSet. Must be
63 characters or less. This field is not used.
</pre>

<code>string display_name = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/PhraseSet.java