public Builder mergeFrom(com.google.cloud.texttospeech.v1.CustomVoiceParams other) {
      if (other == com.google.cloud.texttospeech.v1.CustomVoiceParams.getDefaultInstance())
        return this;
      if (!other.getModel().isEmpty()) {
        model_ = other.model_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.reportedUsage_ != 0) {
        setReportedUsageValue(other.getReportedUsageValue());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Description of the custom voice to be synthesized.
</pre>

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