//// [contextualTypeIterableUnions.ts]
declare class DMap<K, V>  {
  constructor(iterable: Iterable<[K, V]> | undefined);
}
new DMap([["1", 2]]);

const i1: Iterable<{ a: true }> | undefined = [{ a: true }];
const i2: Iterable<{ a: true }> | Iterable<{ b: false }> = [{ b: false }];
const i3: Iterable<number> | 1[] = [2];


//// [contextualTypeIterableUnions.js]
"use strict";
new DMap([["1", 2]]);
const i1 = [{ a: true }];
const i2 = [{ b: false }];
const i3 = [2];
