library;
import self as self;
import "dart:async" as asy;
import "dart:core" as core;
import "dart:collection" as col;

import "dart:async";
import "dart:collection";

static method main() → dynamic
  ;
static method mapfun() → asy::Future<core::Map<core::int, core::bool>>
  ;
static method setfun() → asy::Future<core::Set<core::int>>
  ;
static method iterablefun() → asy::Future<core::Iterable<core::int>>
  ;
static method lhsfun() → asy::Future<col::LinkedHashSet<core::int>>
  ;
static method lhmfun() → asy::Future<col::LinkedHashMap<core::int, core::bool>>
  ;
static method mapfun2() → asy::FutureOr<core::Map<core::int, core::bool>>
  ;
static method setfun2() → asy::FutureOr<core::Set<core::int>>
  ;
static method iterablefun2() → asy::FutureOr<core::Iterable<core::int>>
  ;
static method lhsfun2() → asy::FutureOr<col::LinkedHashSet<core::int>>
  ;
static method lhmfun2() → asy::FutureOr<col::LinkedHashMap<core::int, core::bool>>
  ;