public Builder setUid(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      uid_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Output only. System-assigned unique identifier for the Recognizer.
</pre>

<code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@param value The uid to set.
@return This builder for chaining.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/Recognizer.java