TypeScript/tests/cases/fourslash/codeFixChangeJSDocSyntax10.ts

// @strict: true
/// <reference path='fourslash.ts' />
//// function f(x: [|number?|]) {
//// }

verify.codeFix({
    description: "Change 'number?' to 'number | null'",
    errorCode: 8020,
    index: 0,
    newRangeContent: "number | null",
});