public static com.google.protobuf.Parser<Symptom> parser() {
    return PARSER;
  }
<pre>
A string used to uniquely distinguish a worker within a TPU node.
</pre>

<code>string worker_id = 4;</code>

@param value The bytes for workerId to set.
@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/Symptom.java