Man pages matching name tshttptxncachedrespget in section 3ts:

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