export declare function isDictionaryOfMaybePotentiallyUnsafeDateString(mixed: any): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeValidDateString(mixed: any): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeBeforeString(mixed: any, x: Date): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeAfterString(mixed: any, x: Date): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeBeforeOrAtString(mixed: any, x: Date): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeAfterOrAtString(mixed: any, x: Date): mixed is ((null | undefined | (string)) | null | undefined)[];
export declare function isDictionaryOfMaybeRangeString(mixed: any, args: {
    min?: Date;
    max?: Date;
}): mixed is ((null | undefined | (string)) | null | undefined)[];