-ifndef(_KFLOW_HRL_). -define(_KFLOW_HRL_, true). -record(kflow_msg, { offset :: integer() , fully_processed_offset :: integer() | undefined , hidden = false :: boolean() , payload :: term() , route = [] :: kflow:route() }). -record(init_data, { id :: kflow:node_id() , cb_module :: module() , config :: term() , cb_timeout = infinity :: timeout() , max_queue_len = 1 :: non_neg_integer() }). -endif.