/** An initial Map value or a lazy iterable initializer. @public */
export type MapInitializer<K, V> = Iterable<readonly [K, V]> | (() => Iterable<readonly [K, V]>);
/** Stable actions returned by {@link useMap}. @public */
export interface UseMapActions<K, V> {
    /** Sets one key to a value. */
    readonly set: (key: K, value: V) => void;
    /** Replaces all entries with a new iterable. */
    readonly setAll: (entries: Iterable<readonly [K, V]>) => void;
    /** Removes one key when it exists. */
    readonly remove: (key: K) => void;
    /** Removes every entry. */
    readonly clear: () => void;
    /** Restores the first captured entries. */
    readonly reset: () => void;
}
/** A readonly Map snapshot and stable actions returned by {@link useMap}. @public */
export type UseMapResult<K, V> = readonly [ReadonlyMap<K, V>, UseMapActions<K, V>];
/**
 * Manages an immutable Map snapshot with stable mutation actions.
 *
 * @param initialValue - Entries or a lazy entries initializer captured once.
 * @returns A readonly Map and stable actions.
 * @public
 */
export declare function useMap<K, V>(initialValue?: MapInitializer<K, V>): UseMapResult<K, V>;