erlcql_poolboy:start_link(PoolName :: atom(),
                          PoolboyOptions :: proplists:proplist(),
                          ErlCQLOptions :: proplists:proplist()) ->
    {ok, Pid :: pid()} | {error, Reason :: term()}.

erlcql_poolboy:q(PoolName :: atom(),
                 Query :: iodata(),
                 Consistency :: erlcql:consistency()) ->
    erlcql:response().