public com.google.protobuf.ByteString getStateDescriptionBytes() {
      java.lang.Object ref = stateDescription_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        stateDescription_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
More detailed information about operation state.
</pre>

<code>string state_description = 2;</code>

@return The bytes for stateDescription.
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/BatchOperationMetadata.java