import { Nillable } from "nullish-utils";
import { Observable } from "rxjs";
import { ObservableMap } from "../interfaces/observable-map.interface";
export declare class ObservableMapImpl<K, V> extends Map<K, V> implements ObservableMap<K, V> {
    static of<K, V>(entries?: readonly (readonly [K, V])[] | null): ObservableMapImpl<K, V>;
    private readonly _set$;
    readonly set$: Observable<[K, V]>;
    private readonly _clear$;
    readonly clear$: Observable<this>;
    private readonly _delete$;
    readonly delete$: Observable<Nillable<[K, V]>>;
    readonly change$: Observable<this>;
    readonly values$: Observable<IterableIterator<[K, V]>>;
    set(key: K, value: V): this;
    clear(): void;
    delete(key: K): boolean;
}