export declare function promiseMaybeDictionaryOfInstanceOf<T>(name: string, mixed: any, clazz: {
    new (...args: any[]): T;
    name: string;
}): Promise<null | undefined | ({
    [key: string]: T;
})>;
export declare function promiseMaybeDictionaryOfInstanceOfHandler<T>(clazz: {
    new (...args: any[]): T;
    name: string;
}): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: T;
})>;