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=== tests/cases/compiler/spreadObjectPermutations.ts ===
declare const a: { x: string | number };
>a : { x: string | number; }
>x : string | number
declare const b: { x?: string | number };
>b : { x?: string | number; }
>x : string | number | undefined
declare const c: { x?: string | number | undefined };
>c : { x?: string | number | undefined; }
>x : string | number | undefined
const v_a = { ...a };
>v_a : { x: string | number; }
>{ ...a } : { x: string | number; }
>a : { x: string | number; }
const v_b = { ...b };
>v_b : { x?: string | number; }
>{ ...b } : { x?: string | number; }
>b : { x?: string | number; }
const v_c = { ...c };
>v_c : { x?: string | number | undefined; }
>{ ...c } : { x?: string | number | undefined; }
>c : { x?: string | number | undefined; }
const v_ab = { ...a, ...b };
>v_ab : { x: string | number; }
>{ ...a, ...b } : { x: string | number; }
>a : { x: string | number; }
>b : { x?: string | number; }
const v_ac = { ...a, ...c };
>v_ac : { x: string | number | undefined; }
>{ ...a, ...c } : { x: string | number | undefined; }
>a : { x: string | number; }
>c : { x?: string | number | undefined; }
const v_ba = { ...b, ...a };
>v_ba : { x: string | number; }
>{ ...b, ...a } : { x: string | number; }
>b : { x?: string | number; }
>a : { x: string | number; }
const v_bc = { ...b, ...c };
>v_bc : { x?: string | number | undefined; }
>{ ...b, ...c } : { x?: string | number | undefined; }
>b : { x?: string | number; }
>c : { x?: string | number | undefined; }
const v_ca = { ...c, ...a };
>v_ca : { x: string | number; }
>{ ...c, ...a } : { x: string | number; }
>c : { x?: string | number | undefined; }
>a : { x: string | number; }
const v_cb = { ...c, ...b };
>v_cb : { x?: string | number | undefined; }
>{ ...c, ...b } : { x?: string | number | undefined; }
>c : { x?: string | number | undefined; }
>b : { x?: string | number; }
const v_abc = { ...a, ...b, ...c };
>v_abc : { x: string | number | undefined; }
>{ ...a, ...b, ...c } : { x: string | number | undefined; }
>a : { x: string | number; }
>b : { x?: string | number; }
>c : { x?: string | number | undefined; }
const v_acb = { ...a, ...c, ...b };
>v_acb : { x: string | number | undefined; }
>{ ...a, ...c, ...b } : { x: string | number | undefined; }
>a : { x: string | number; }
>c : { x?: string | number | undefined; }
>b : { x?: string | number; }
const v_bac = { ...b, ...a, ...c };
>v_bac : { x: string | number | undefined; }
>{ ...b, ...a, ...c } : { x: string | number | undefined; }
>b : { x?: string | number; }
>a : { x: string | number; }
>c : { x?: string | number | undefined; }
const v_bca = { ...b, ...c, ...a };
>v_bca : { x: string | number; }
>{ ...b, ...c, ...a } : { x: string | number; }
>b : { x?: string | number; }
>c : { x?: string | number | undefined; }
>a : { x: string | number; }
const v_cab = { ...c, ...a, ...b };
>v_cab : { x: string | number; }
>{ ...c, ...a, ...b } : { x: string | number; }
>c : { x?: string | number | undefined; }
>a : { x: string | number; }
>b : { x?: string | number; }
const v_cba = { ...c, ...b, ...a };
>v_cba : { x: string | number; }
>{ ...c, ...b, ...a } : { x: string | number; }
>c : { x?: string | number | undefined; }
>b : { x?: string | number; }
>a : { x: string | number; }
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