export type DateRange = {
    from: Date | undefined;
    to?: Date | undefined;
};
export type DateBefore = {
    before: Date;
};
export type DateAfter = {
    after: Date;
};
export declare function isDateAfterType(value: unknown): value is DateAfter;
export declare function isDateBeforeType(value: unknown): value is DateBefore;
export declare function isDateRange(value: unknown): value is DateRange;
export type Matcher = ((date: Date) => boolean) | Date | Date[] | DateRange | DateBefore | DateAfter;