import { HAMTMap } from './utils/hamt';
export declare class ImmutableMap<K, V> {
    private _data;
    constructor(base?: ImmutableMap<K, V>);
    get size(): number;
    clear(): void;
    get(key: K): V;
    set(key: K, value: V): void;
    setMany(entries: [K, V][]): void;
    remove(key: K): void;
    removeMany(keys: K[]): void;
    has(key: K): boolean;
    keys(): IterableIterator<K>;
    values(): IterableIterator<V>;
    entries(): IterableIterator<[K, V]>;
    protected get data(): HAMTMap;
}