export declare function toSentenceCase(str: string): string;
export declare function isValidNationalID(str: string): boolean;
export declare function isDatePattern(str: string): boolean;
export declare function isMachineReadableZone(str: string): boolean;
export declare function isFullName(str: string): boolean;
export declare function isValidNationalIDName(str: string): boolean;
export declare function formatDate(date: string): string;
export declare function isGeneralString(str: string): boolean;
export declare function formatGender(str: string): "" | "Male" | "Female";
export declare function isGender(str: string): boolean;