export declare function isMaybeDictionaryOfPotentiallyUnsafeDate(mixed: any): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfValidDate(mixed: any): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfBefore(mixed: any, x: Date): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfAfter(mixed: any, x: Date): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfBeforeOrAt(mixed: any, x: Date): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfAfterOrAt(mixed: any, x: Date): mixed is null | undefined | ({
    [key: string]: Date;
});
export declare function isMaybeDictionaryOfRange(mixed: any, args: {
    min?: Date;
    max?: Date;
}): mixed is null | undefined | ({
    [key: string]: Date;
});