export type DateFormatToken = 'YYYY' | 'MM' | 'DD' | 'HH' | 'mm' | 'ss';
export declare const formatByPattern: (date: Date, pattern: string) => string;
export declare const parseByPattern: (value: string, pattern: string) => Date | null;
export declare const coerceToDate: (val: unknown) => Date | null;