Is Hook adopted in HSR?

Could you please clarify if the Hook protocol or technology has been adopted or integrated within the Hyperledger Sawtooth (HSR) platform? It's essential to understand the current landscape and potential interoperability of various blockchain technologies, especially as they relate to enterprise-grade solutions. Has there been any official announcement or documentation indicating the integration of Hook with HSR, and if so, could you elaborate on the benefits and implications of this adoption?