import { User, UserRoleType } from '../interfaces';
type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
/**
 * A lightweight utility class mimicking core functionalities of a library like Lodash,
 * primarily focused on generating random data for testing purposes.
 */
declare class TestDataGenerator {
    /**
     * Generates a random string of a specified length using the defined character set.
     * @param length The desired length of the random string.
     * @param chars The set of characters to use for generation.
     * @returns A random string.
     */
    generateRandomString(length: number, chars: string): string;
    /**
     * Generates a random 10-digit phone number in a common format: (XXX) XXX-XXXX.
     * @returns A string representing a random phone number.
     */
    getRandomPhoneNumber(): string;
    /**
     * Generates a random string suitable for a first name (6-12 characters).
     * @returns A random name string.
     */
    getRandomFirstName(): string;
    /**
     * Generates a random string suitable for a last name (6-12 characters).
     * @returns A random name string.
     */
    getRandomLastName(): string;
    /**
     * Generates a random 5-digit postal code (suitable for many regions).
     * @returns A number representing a random postal code.
     */
    getRandomPostalCode(): string;
    /**
     * Generates a random email address using the provided username and a random domain.
     * @param userName The prefix to be used for the email address.
     * @returns A string representing a random email address.
     */
    getRandomEmail(userName: string): string;
    /**
     * Generates a full random user object ready for insertion into the database.
     * The returned object omits the _id field, as it is generated by MongoDB.
     * @param userRole The specific role to assign to the generated user.
     * @returns An object of type Omit<User, '_id'>.
     */
    getRandomUser(userRole: UserRoleType): Omit<User, '_id'>;
}
export declare const _: TestDataGenerator;
export {};