export declare function isDictionaryOfArrayOfPotentiallyUnsafeDateString(mixed: any): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfValidDateString(mixed: any): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfBeforeString(mixed: any, x: Date): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfAfterString(mixed: any, x: Date): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfBeforeOrAtString(mixed: any, x: Date): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfAfterOrAtString(mixed: any, x: Date): mixed is { [key: string]: (string)[]; }; export declare function isDictionaryOfArrayOfRangeString(mixed: any, args: { min?: Date; max?: Date; }): mixed is { [key: string]: (string)[]; };