export type ValidationRules = {
    sumMultiple?: number;
    thirdCharList?: string;
    lengthEven?: boolean;
    startsWith?: string;
    endsWith?: string;
    containsChar?: string;
    noRepeatingChars?: boolean;
    maxVowels?: number;
};
export declare function generateString(length: number, rules: ValidationRules): string;
export declare function generateCode(str: string): string;
export declare function verifyCode(code: string, originalStr: string, rules: ValidationRules): boolean;
export declare function generateAndVerify(length: number, rules: ValidationRules): generationResult;
export type generationResult = {
    str: string;
    code: string;
    isValid: true;
    executionTime: string;
};