import type { Pair } from "@thi.ng/api";
/**
 * Adds elements from `src` iterable to `coll` (Map or Set) and then returns it.
 *
 * @param coll - target collection
 * @param src - source collection
 */
export declare function into<K, V>(coll: Map<K, V>, src: Iterable<Pair<K, V>>): Map<K, V>;
export declare function into<T>(coll: Set<T>, src: Iterable<T>): Set<T>;
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