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() → Null
  ;
static method main() → dynamic
  ;