type TDefaultValueFactory<K, V> = (key?: K) => V;
/**
 * A `Map` subclass that auto-creates values for missing keys using a
 * factory function. Optionally enforces an LRU-style size limit by
 * evicting the oldest entry when the limit is reached.
 */
export declare class DefaultMap<K, V> extends Map<K, V> {
    private mkDefault;
    private limit;
    constructor(mkDefault: TDefaultValueFactory<K, V>, entries?: Iterable<[K, V]>, limit?: number);
    /** Returns the value for `key`, creating it via the factory if absent. */
    get(key: K): V;
    /** Sets `key` to `value`, evicting the oldest entry if the size limit is reached. */
    set(key: K, value: V): this;
}
export {};
//# sourceMappingURL=default-map.d.ts.map