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=== tests/cases/compiler/multiCallOverloads.ts ===
interface ICallback {
>ICallback : Symbol(ICallback, Decl(multiCallOverloads.ts, 0, 0))
(x?: string):void;
>x : Symbol(x, Decl(multiCallOverloads.ts, 1, 5))
}
function load(f: ICallback) {}
>load : Symbol(load, Decl(multiCallOverloads.ts, 2, 1))
>f : Symbol(f, Decl(multiCallOverloads.ts, 4, 14))
>ICallback : Symbol(ICallback, Decl(multiCallOverloads.ts, 0, 0))
var f1: ICallback = function(z?) {}
>f1 : Symbol(f1, Decl(multiCallOverloads.ts, 6, 3))
>ICallback : Symbol(ICallback, Decl(multiCallOverloads.ts, 0, 0))
>z : Symbol(z, Decl(multiCallOverloads.ts, 6, 29))
var f2: ICallback = function(z?) {}
>f2 : Symbol(f2, Decl(multiCallOverloads.ts, 7, 3))
>ICallback : Symbol(ICallback, Decl(multiCallOverloads.ts, 0, 0))
>z : Symbol(z, Decl(multiCallOverloads.ts, 7, 29))
load(f1) // ok
>load : Symbol(load, Decl(multiCallOverloads.ts, 2, 1))
>f1 : Symbol(f1, Decl(multiCallOverloads.ts, 6, 3))
load(f2) // ok
>load : Symbol(load, Decl(multiCallOverloads.ts, 2, 1))
>f2 : Symbol(f2, Decl(multiCallOverloads.ts, 7, 3))
load(function() {}) // this shouldn’t be an error
>load : Symbol(load, Decl(multiCallOverloads.ts, 2, 1))
load(function(z?) {}) // this shouldn't be an error
>load : Symbol(load, Decl(multiCallOverloads.ts, 2, 1))
>z : Symbol(z, Decl(multiCallOverloads.ts, 11, 14))
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