function extractApis(services) {
                            var filterTypes = arguments.length <= 1 || arguments[1] === undefined ? [] : arguments[1];

                            services = Array.isArray(services) ? services : [services];
                            var apis = services.reduce(function (total, service) {
                                var obj = service.constructor === Object ? service : Object.getPrototypeOf(service);
                                var keys = aggregateApisByType(obj, total, filterTypes);
                                total.push.apply(total, keys);
                                return total;
                            }, []);

                            return apis;
                        }
function extractApis(services) {
                            var filterTypes = arguments.length <= 1 || arguments[1] === undefined ? [] : arguments[1];

                            services = Array.isArray(services) ? services : [services];
                            var apis = services.reduce(function (total, service) {
                                var obj = service.constructor === Object ? service : Object.getPrototypeOf(service);
                                var keys = aggregateApisByType(obj, total, filterTypes);
                                total.push.apply(total, keys);
                                return total;
                            }, []);

                            return apis;
                        }
function extractApis ( services ) { var filterTypes = arguments . length <= 1 || arguments [ 1 ] === undefined ? [ ] : arguments [ 1 ] ; services = Array . isArray ( services ) ? services : [ services ] ; var apis = services . reduce ( function ( total , service ) { var obj = service . constructor === Object ? service : Object . getPrototypeOf ( service ) ; var keys = aggregateApisByType ( obj , total , filterTypes ) ; total . push . apply ( total , keys ) ; return total ; } , [ ] ) ; return apis ; }
extracts lists of methods from each service object.
extracts lists of methods from each service object .