export declare function isMaybeDictionaryOfArrayOfPotentiallyUnsafeDate(mixed: any): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfValidDate(mixed: any): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfBefore(mixed: any, x: Date): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfAfter(mixed: any, x: Date): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfBeforeOrAt(mixed: any, x: Date): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfAfterOrAt(mixed: any, x: Date): mixed is null | undefined | ({ [key: string]: (Date)[]; }); export declare function isMaybeDictionaryOfArrayOfRange(mixed: any, args: { min?: Date; max?: Date; }): mixed is null | undefined | ({ [key: string]: (Date)[]; });