library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/general/covariant_super_check.dart:16:27: Error: The parameter 'a' of the method 'C.method' has type 'String', which does not match the corresponding type, 'num', in the overridden method, 'A.method'.
// Change to a supertype of 'num', or, for a covariant parameter, a subtype.
//   method(covariant String a) {}
//                           ^
// pkg/front_end/testcases/general/covariant_super_check.dart:6:3: Context: This is the overridden method ('method').
//   method(num a) {}
//   ^
//
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A
    ;
  method method(core::num a) → dynamic
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B
    ;
  method method(dynamic a) → dynamic
    ;
}
class C extends self::B {
  synthetic constructor •() → self::C
    ;
  method method(covariant-by-declaration core::String a) → dynamic
    ;
}
static method main() → dynamic
  ;