public Builder setDescription(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      description_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Optional. A description provided by the user for the job. Its max length is
1024 bytes when Unicode-encoded.
</pre>

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

@param value The description to set.
@return This builder for chaining.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/Job.java