error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== usingDeclarations.11.ts (0 errors) ====
    class A {}
    class C1 extends A {
        constructor() {
            using x = null;
            super();
        }
    }
    class C2 extends A {
        constructor() {
            super();
            using x = null;
        }
    }
    class C3 extends A {
        y = 1;
        constructor() {
            using x = null;
            super();
        }
    }
    class C4 extends A {
        constructor(public y: number) {
            using x = null;
            super();
        }
    }
    class C5 extends A {
        z = 1;
        constructor(public y: number) {
            using x = null;
            super();
        }
    }
    