import { EventEmitter } from 'node:events';
import type { MongoClient, Collection, Db, Document } from 'mongodb';
import type { MongoDBConfig } from '../define_config.js';
/**
 * Shape of the query event emitted by the MongoDB connection
 */
export type MongoQueryEventNode = {
    /**
     * The connection name
     */
    connection: string;
    /**
     * The query object
     */
    query: any;
    /**
     * The duration of the query in milliseconds
     */
    duration: [number, number];
    /**
     * The error that occurred during the query
     */
    error?: Error;
};
/**
 * Shape of the MongoDB connection contract
 */
export interface MongoConnectionContract {
    /**
     * The name of the connection
     */
    name: string;
    /**
     * The MongoDB client instance
     */
    client: MongoClient;
    /**
     * The MongoDB database instance
     */
    db: Db;
    /**
     * Get a collection from the database
     */
    collection<T extends Document = Document>(name: string): Collection<T>;
    /**
     * Connect to the MongoDB server
     */
    connect(): Promise<void>;
    /**
     * Disconnect from the MongoDB server
     */
    disconnect(): Promise<void>;
    /**
     * Check if the connection is ready
     */
    isReady: boolean;
    /**
     * Check if the connection is closed
     */
    isClosed: boolean;
    /**
     * Connection state
     */
    state: 'registered' | 'open' | 'closed';
    /**
     * Event listeners
     */
    on(event: string, callback: (...args: any[]) => void): void;
}
/**
 * Shape of the MongoDB connection manager
 */
export interface MongoConnectionManagerContract {
    /**
     * Get a connection by name
     */
    get(name?: string): MongoConnectionContract;
    /**
     * Add a new connection
     */
    add(name: string, config: any): MongoConnectionContract;
    /**
     * Close all connections
     */
    closeAll(): Promise<void>;
}
/**
 * Shape of the MongoDB database
 */
export interface MongoDatabaseContract {
    /**
     * The MongoDB connection manager
     */
    manager: MongoConnectionManagerContract;
    /**
     * The MongoDB configuration
     */
    config: MongoDBConfig & {
        prettyPrintDebugQueries?: boolean;
    };
    /**
     * The logger instance
     */
    logger: any;
    /**
     * The emitter instance
     */
    emitter: EventEmitter;
    /**
     * Get a connection by name
     */
    connection(name?: string): MongoConnectionContract;
    /**
     * Pretty print a query
     */
    prettyPrint(query: MongoQueryEventNode): void;
}