anchor.diff:  		date/1, iso8601/1, http_query/8]).
   
   %% export the ocs_log event types
  --export_type([auth_event/0, acct_event/0]).
  +-export_type([auth_event/0, acct_event/0, http_event/0]).
   
   -include("ocs_log.hrl").
   -include_lib("radius/include/radius.hrl").
  
positive.code: 		uri :: string() | undefined,
  		httpStatus :: integer() | undefined}).
  
  -spec http_query(Continuation, LogType, DateTime, Host, User, Method, URI, HTTPStatus) -> Result
  	when
  		Continuation :: start | disk_log:continuation(),
  
negative.code: 		HTTPStatus :: '_' | string() | integer(),
  		Result :: {Continuation2, Events} | {error, Reason},
  		Continuation2 :: eof | disk_log:continuation(),
  		Events :: [http_event()],
  		Reason :: term().
  %% @doc Query http log events with fileters
  http_query(start, LogType, DateTime, Host, User, Method, URI, HTTPStatus) ->
  