JsFormalParameter =
        decorators: JsDecoratorList
	binding: AnyJsBindingPattern
	'?'?
	type_annotation: TsTypeAnnotation?
	initializer: JsInitializerClause?

JsRestParameter =
        decorators: JsDecoratorList
	'...'
	binding: AnyJsBindingPattern
	type_annotation: TsTypeAnnotation?

class A {
    method(@dec x, second, @dec third = 'default') {}
    method(@dec.fn() x, second, @dec.fn() third = 'default') {}
    method(@dec() x, second, @dec() third = 'default') {}
    static method(@dec x, second, @dec third = 'default') {}
    static method(@dec.fn() x, second, @dec.fn() third = 'default') {}
    static method(@dec() x, second, @dec() third = 'default') {}
    
    set val(@dec x) {}
    set val(@dec.fn() x) {}
    set val(@dec() x) {}
}

class A {
  constructor(@dec val,@dec2 private  v) {}
}

class C {
    constructor(@foo readonly x: number) {}
}
class CC {
    constructor(@foo @dec(arg) readonly x: number) {}
}
class CC {
    constructor(@foo @dec.method(arg) readonly x: number) {}
}
class CCC {
    constructor(@foo @dec.method(arg) private readonly x: number) {}
}