import { Constructor } from './Signable';
declare class ConstructorMap<T> {
    private readonly _map;
    constructor();
    clear(): void;
    delete(key: Constructor<T>): boolean;
    map<U>(callbackfn: (value: T, index: number) => U): U[];
    forEach(callbackfn: (value: T, key: Constructor<T>, map: Map<Constructor<T>, T>) => void): void;
    forEachAsync(callbackfn: (value: T, key: Constructor<T>, map: Map<Constructor<T>, T>) => Promise<void>): Promise<void>;
    get<U extends T>(constructor: Constructor<U>): U;
    has(key: Constructor<T>): boolean;
    set(value: T): this;
    get size(): number;
}
export default ConstructorMap;