library;
import self as self;
import "dart:core" as core;

static method map<T extends core::Object = dynamic>(() → self::map::T f1, () → self::map::T f2) → self::map::T
  ;
static method id<T extends core::Object = dynamic>(self::id::T t) → dynamic
  ;
static method foo() → core::Null
  ;
static method main() → dynamic
  ;