export declare function promiseMaybeDictionaryOfPotentiallyUnsafeDate(name: string, mixed: any): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfValidDate(name: string, mixed: any): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfBefore(name: string, mixed: any, x: Date): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfBeforeHandler(x: Date): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfAfter(name: string, mixed: any, x: Date): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfAfterHandler(x: Date): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfBeforeOrAt(name: string, mixed: any, x: Date): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfBeforeOrAtHandler(x: Date): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfAfterOrAt(name: string, mixed: any, x: Date): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfAfterOrAtHandler(x: Date): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfRange(name: string, mixed: any, args: {
    min?: Date;
    max?: Date;
}): Promise<null | undefined | ({
    [key: string]: Date;
})>;
export declare function promiseMaybeDictionaryOfRangeHandler(args: {
    min?: Date;
    max?: Date;
}): (name: string, mixed: any) => Promise<null | undefined | ({
    [key: string]: Date;
})>;