Document `Channel#exchange_declare` param
Document `Channel#exchange_declare` param

teodor-pripoae/bunny,wconrad/bunny,gferguson-gd/bunny,pressrelations/bunny,jafrog/bunny,jafrog/bunny,teodor-pripoae/bunny,pressrelations/bunny,gferguson-gd/bunny,bartj3/bunny,bartj3/bunny,wconrad/bunny