import { EventEmitter } from 'node:events';
import { type Application } from '@adonisjs/core/app';
import { type Database } from '../database/main.js';
import { type SchemaDumperOptions } from '../types/migrator.js';
/**
 * SchemaDumper provides a code-level API for dumping the current database
 * schema to a SQL file. Commands are simply one interface for interacting
 * with this class.
 */
export declare class SchemaDumper extends EventEmitter {
    #private;
    /**
     * Last error occurred when executing the dump
     */
    error: null | Error;
    /**
     * Result of the dump operation, available after a successful run
     */
    result: {
        dumpLabel: string;
        metaLabel: string;
        pruned: boolean;
    } | null;
    /**
     * Current status of the dumper
     */
    get status(): 'pending' | 'completed' | 'error';
    constructor(db: Database, app: Application<any>, options: SchemaDumperOptions);
    on(event: 'start', callback: () => void): this;
    on(event: 'end', callback: () => void): this;
    /**
     * Execute the schema dump. Dumps the database schema to a SQL file,
     * writes the sidecar manifest, and optionally prunes migration
     * directories.
     */
    run(): Promise<void>;
    /**
     * Close database connections
     */
    close(): Promise<void>;
}