import { MongoClient } from 'mongodb';
import { Database, SeederDatabaseConfig, SeederDatabaseConfigObject } from '.';
import { SeederDatabaseConfigObjectOptions } from './config';
/**
 * Provides functionality to manage connection to a MongoDB database.
 */
export declare class DatabaseConnector {
    /**
     * Default database name.
     */
    static DEFAULT_DB_NAME: string;
    /**
     * Default reconnect timeout in milliseconds.
     */
    static DEFAULT_RECONNECT_TIMEOUT_MILLIS: number;
    /**
     * Sleep interval in milliseconds.
     */
    static SLEEP_INTERVAL_MILLIS: number;
    /**
     * Masked URI credentials token.
     */
    static MASKED_URI_CREDENTIALS: string;
    /**
     * MongoDB Client.
     */
    client?: MongoClient;
    /**
     * Reconnect timeout in milliseconds.
     */
    reconnectTimeoutMillis: number;
    /**
     * Constructs the `DatabaseConnector` object.
     *
     * @param reconnectTimeoutMillis Reconnect timeout in milliseconds
     */
    constructor(reconnectTimeoutMillis?: number);
    /**
     * Connects to database.
     *
     * @param config Database configuration
     */
    connect(config: SeederDatabaseConfig): Promise<Database>;
    /**
     * Connects to database using database connection URI.
     *
     * @param dbConnectionUri Database connection URI
     * @param dbName Database name
     */
    connectWithUri(dbConnectionUri: string, dbName: string): Promise<Database>;
    /**
     * Closes connection with database.
     */
    close(): Promise<void>;
    /**
     * Constructs database connection URI from database configuration object.
     *
     * @param param0 Database connection object
     */
    getDbConnectionUri({ protocol, host, port, name, username, password, options, }: SeederDatabaseConfigObject): string;
    /**
     * Constructs database connection options query string from database configuration object.
     *
     * @param options Database configuration object
     */
    getOptionsUriPart(options: SeederDatabaseConfigObjectOptions): string;
    /**
     * Detects database connection credentials and masks them, replacing with masked URI credentials token.
     *
     * @param uri Database connection URI
     */
    maskUriCredentials(uri: string): string;
    /**
     * Extracts database name from database connection URI.
     *
     * @param dbConnectionUri Database connection URI
     */
    getDbName(dbConnectionUri: string): string;
}