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/// <reference path='fourslash.ts'/>
////interface A1 { [|a|]: string };
////interface A2 { [|a|]?: number };
////let a1: A1;
////let a2: A2;
////let a12 = { ...a1, ...a2 };
////a12.[|a|];
const ranges = test.ranges();
// members of spread types only refer to themselves and the resulting property
verify.referencesOf(ranges[0], [ranges[0], ranges[2]]);
verify.referencesOf(ranges[1], [ranges[1], ranges[2]]);
// but the resulting property refers to everything
verify.referencesOf(ranges[2], ranges);
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