=== tests/cases/compiler/varArgParamTypeCheck.ts ===
function sequence(...sequences:{():void;}[]) {
>sequence : (...sequences: (() => void)[]) => void
>sequences : (() => void)[]
}

function callback(clb:()=>void) {
>callback : (clb: () => void) => void
>clb : () => void
}

sequence(
>sequence(    function bar() {    },    function foo() {        callback(()=>{            this();        });    },    function baz() {        callback(()=>{            this();        });    }) : void
>sequence : (...sequences: (() => void)[]) => void

    function bar() {
>function bar() {    } : () => void
>bar : () => void

    },
    function foo() {
>function foo() {        callback(()=>{            this();        });    } : () => void
>foo : () => void

        callback(()=>{
>callback(()=>{            this();        }) : void
>callback : (clb: () => void) => void
>()=>{            this();        } : () => void

            this();
>this() : any
>this : any

        });
    },
    function baz() {
>function baz() {        callback(()=>{            this();        });    } : () => void
>baz : () => void

        callback(()=>{
>callback(()=>{            this();        }) : void
>callback : (clb: () => void) => void
>()=>{            this();        } : () => void

            this();
>this() : any
>this : any

        });
    }
);