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

class Foo extends core::Object {
  field dynamic x;
  constructor foo1(dynamic a) → self::Foo
    : self::Foo::x = a is{ForNonNullableByDefault} core::int ?{core::Object} <dynamic, dynamic>{} : <dynamic>[], super core::Object::•() {}
  constructor foo2(dynamic a) → self::Foo
    : self::Foo::x = a is{ForNonNullableByDefault} core::int ?{core::Object} <core::String, core::String>{"a": "b"} : <core::String>["a", "b"], super core::Object::•() {}
  constructor foo3(dynamic a) → self::Foo
    : self::Foo::x = a as{ForNonNullableByDefault} core::bool ?{core::Object} <dynamic, dynamic>{} : <dynamic>[], super core::Object::•() {}
  constructor foo4(dynamic a) → self::Foo
    : self::Foo::x = a as{ForNonNullableByDefault} core::bool ?{core::Object} <core::String, core::String>{"a": "b"} : <core::String>["a", "b"], super core::Object::•() {}
}