///
////interface I {
//// x: { readonly [K in keyof X]: X[K] };
////}
////class C implements I {}
verify.codeFix({
description: "Implement interface 'I'",
newFileContent:
`interface I {
x: { readonly [K in keyof X]: X[K] };
}
class C implements I {
x: { readonly [K in keyof Y]: Y[K]; };
}`,
});