import { CheckResult, DbConfig, DBType, RateLimitOptions } from './lib/types';
import { MongoDriver } from '@mikro-orm/mongodb';
import { MySqlDriver } from '@mikro-orm/mysql';
import { PostgreSqlDriver } from '@mikro-orm/postgresql';
import Joi = require('joi');
/**
 * Returns the appropriate MikroORM driver based on the specified database type.
 *
 * @param dbType - The type of the database. It can be one of 'postgresql', 'mysql', or 'mongodb'.
 * @returns The MikroORM driver for the specified database type.
 * @throws An error if the provided database type is not supported.
 */
export declare function getDriver(dbType: DBType): typeof PostgreSqlDriver | typeof MySqlDriver | typeof MongoDriver;
/**
 * The schema constant is initialized as a Joi Root instance,
 * which provides the main API for creating schemas.
 *
 * @constant {Joi.Root} schema - The root Joi object used for schema validation.
 */
export declare const schema: Joi.Root;
/**
 * Checks if an object conforms to a specified Joi schema and returns the validation result.
 *
 * @param {any} obj - The object to validate against the schema.
 * @param {Joi.ObjectSchema<any>} schema - The Joi schema to validate the object against.
 * @param {boolean} [devMode=true] - Flag to enable or disable debugging logs. Default is true.
 * @returns {Promise<CheckResult>} - A promise that resolves to a CheckResult object containing
 *                                    the validation status and any log information.
 */
export declare function checkObject(obj: any, schema: Joi.ObjectSchema<any>, devMode?: boolean): Promise<CheckResult>;
/**
 * Implements rate limiting for a user based on specified options.
 * This function checks the user's request count and manages their rate limit status in the database.
 *
 * @param {string} userId - The unique identifier for the user to apply rate limiting.
 * @param {RateLimitOptions} options - Options defining the rate limiting parameters, including the route and maximum requests.
 * @param {DbConfig} dbConfig - Configuration details for connecting to the database.
 * @param {boolean} [devMode=true] - Optional flag to enable debugging output. Defaults to true.
 * @returns {Promise<CheckResult>} - A promise that resolves to a CheckResult object containing
 *                                    the validation status and any log information.
 */
export declare function rateLimit(userId: string, options: RateLimitOptions, dbConfig: DbConfig, devMode?: boolean): Promise<CheckResult>;