export declare function isDictionaryOfPotentiallyUnsafeDate(mixed: any): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfValidDate(mixed: any): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfBefore(mixed: any, x: Date): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfAfter(mixed: any, x: Date): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfBeforeOrAt(mixed: any, x: Date): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfAfterOrAt(mixed: any, x: Date): mixed is {
    [key: string]: Date;
};
export declare function isDictionaryOfRange(mixed: any, args: {
    min?: Date;
    max?: Date;
}): mixed is {
    [key: string]: Date;
};