Man pages matching name tshttptxntransformrespget in section 3ts:

TSHttpTxnTransformRespGet.3ts.en	debian 10 / trafficserver-dev
TSHttpTxnTransformRespGet.3ts.en	debian 11 / trafficserver-dev
TSHttpTxnTransformRespGet.3ts.en	debian 12 / trafficserver-dev