// @strict: true
// @declaration: true

class A {
    a: number;
    b = this.a;  // Error
    c = () => this.a;
    d = (new A()).a;
    constructor() {
        this.a = 1;
    }
}

class B extends A {
    x = this.a;
}

class C {
    a!: number;
    b = this.a;
}

// Repro from #37979

class Foo {
    private bar: Bar;
    readonly barProp = this.bar.prop;
    constructor() {
        this.bar = new Bar();
    }
}

class Bar {
    readonly prop = false;
}