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

class Class extends core::Object {
  field core::int nonNullableField;
  field core::int? nullableField;
  synthetic constructor •() → self::Class
    ;
  operator [](core::int key) → core::int
    ;
  operator []=(core::int key, core::int value) → void
    ;
  get nonNullableClass() → self::Class
    ;
  method call() → self::Class
    ;
  get nonNullableNullableIndexClass() → self::NullableIndexClass
    ;
}
class NullableIndexClass extends core::Object {
  synthetic constructor •() → self::NullableIndexClass
    ;
  operator [](core::int key) → core::int?
    ;
  operator []=(core::int key, core::int value) → void
    ;
}
static method main() → dynamic
  ;
static method errors(self::Class? nullableClass, self::Class nonNullableClass, core::int? nullableInt, core::int nonNullableInt, self::NullableIndexClass? nullableNullableIndexClass) → dynamic
  ;