library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class B extends core::Object {
  constructor •(core::Object? x, () → void g, core::Object? y) → self::B
    : super core::Object::•()
    ;
  constructor redirectingConstructorInvocation(core::int? i) → self::B
    : this self::B::•(i!, () → void {
      i = null;
    }, i{core::int})
    ;
}
class C extends self::B {
  constructor superConstructorInvocation(core::int? i) → self::C
    : super self::B::•(i!, () → void {
      i = null;
    }, i{core::int})
    ;
}
static method withUnnamedArguments(core::int? i, (() → void, core::Object?) → void f) → dynamic {
  if(!(i == null)) {
    f(() → void {
      i = null;
    }, i{core::int}){(() → void, core::Object?) → void};
    i;
  }
}
static method withUnnamedArgumentsParenthesized(core::int? i, (() → void, core::Object?) → void f) → dynamic {
  if(!(i == null)) {
    f(() → void {
      i = null;
    }, i{core::int}){(() → void, core::Object?) → void};
    i;
  }
}
static method withUnnamedArgumentsParenthesizedTwice(core::int? i, (() → void, core::Object?) → void f) → dynamic {
  if(!(i == null)) {
    f(() → void {
      i = null;
    }, i{core::int}){(() → void, core::Object?) → void};
    i;
  }
}
static method withNamedArguments(core::int? i, ({required g: () → void, x: core::Object?}) → void f) → dynamic {
  if(!(i == null)) {
    f(g: () → void {
      i = null;
    }, x: i{core::int}){({required g: () → void, x: core::Object?}) → void};
    i;
  }
}
static method withNamedArgumentsParenthesized(core::int? i, ({required g: () → void, x: core::Object?}) → void f) → dynamic {
  if(!(i == null)) {
    f(g: () → void {
      i = null;
    }, x: i{core::int}){({required g: () → void, x: core::Object?}) → void};
    i;
  }
}
static method withNamedArgumentsParenthesizedTwice(core::int? i, ({required g: () → void, x: core::Object?}) → void f) → dynamic {
  if(!(i == null)) {
    f(g: () → void {
      i = null;
    }, x: i{core::int}){({required g: () → void, x: core::Object?}) → void};
    i;
  }
}
static method withIdentical_lhs(core::int? i) → dynamic {
  if(!(i == null)) {
    i{core::int};
    core::identical(() → Null {
      i = null;
    }, i{core::int});
    i;
  }
}
static method withIdentical_rhs(core::int? i) → dynamic {
  if(!(i == null)) {
    core::identical(i{core::int}, () → Null {
      i = null;
    });
    i;
  }
}
static method main() → dynamic {}