///
////abstract class A {
//// abstract f(x: T): T;
////}
////
////class C extends A {}
verify.codeFix({
description: "Implement inherited abstract class",
newFileContent:
`abstract class A {
abstract f(x: T): T;
}
class C extends A {
f(x: U): U {
throw new Error("Method not implemented.");
}
}`
});