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=== tests/cases/conformance/expressions/optionalChaining/callChain/callChain.2.ts ===
declare const o1: undefined | (() => number);
>o1 : () => number
o1?.();
>o1?.() : number
>o1 : () => number
declare const o2: undefined | { b: () => number };
>o2 : { b: () => number; }
>b : () => number
o2?.b();
>o2?.b() : number
>o2?.b : () => number
>o2 : { b: () => number; }
>b : () => number
declare const o3: { b: (() => { c: string }) | undefined };
>o3 : { b: (() => { c: string;}) | undefined; }
>b : () => { c: string;}
>c : string
o3.b?.().c;
>o3.b?.().c : string
>o3.b?.() : { c: string; }
>o3.b : () => { c: string; }
>o3 : { b: () => { c: string; }; }
>b : () => { c: string; }
>c : string
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