import type { Constructor, IMigrationGenerator, IMigrationRunner, IMigrator, IMigratorStorage, MaybePromise, Migration, MigrationInfo, MigrationResult, MigrationRow, MigratorEvent } from '../typings.js';
import type { Transaction } from '../connections/Connection.js';
import type { Configuration, MigrationsOptions } from './Configuration.js';
import type { EntityManagerType, IDatabaseDriver } from '../drivers/IDatabaseDriver.js';
interface RunnableMigration {
    name: string;
    path?: string;
    up: (afterRun?: (tx?: Transaction) => Promise<void>) => MaybePromise<void>;
    down: (afterRun?: (tx?: Transaction) => Promise<void>) => MaybePromise<void>;
}
type MigrateOptions = {
    from?: string | number;
    to?: string | number;
    migrations?: string[];
    transaction?: Transaction;
    schema?: string;
};
export declare abstract class AbstractMigrator<D extends IDatabaseDriver> implements IMigrator {
    #private;
    protected readonly em: D[typeof EntityManagerType];
    protected runner: IMigrationRunner;
    protected storage: IMigratorStorage;
    protected generator: IMigrationGenerator;
    protected readonly driver: D;
    protected readonly config: Configuration;
    protected readonly options: MigrationsOptions;
    protected absolutePath: string;
    protected initialized: boolean;
    constructor(em: D[typeof EntityManagerType]);
    protected abstract createRunner(): IMigrationRunner;
    protected abstract createStorage(): IMigratorStorage;
    protected abstract getDefaultGenerator(): IMigrationGenerator;
    abstract create(path?: string, blank?: boolean, initial?: boolean, name?: string): Promise<{
        fileName: string;
        code: string;
        diff: {
            up: string[];
            down: string[];
        };
    }>;
    abstract checkSchema(): Promise<boolean>;
    abstract createInitial(path?: string, name?: string, blank?: boolean): Promise<{
        fileName: string;
        code: string;
        diff: {
            up: string[];
            down: string[];
        };
    }>;
    /**
     * @inheritDoc
     */
    on(eventName: MigratorEvent, listener: (event: MigrationInfo) => MaybePromise<void>): this;
    /**
     * @inheritDoc
     */
    off(eventName: MigratorEvent, listener: (event: MigrationInfo) => MaybePromise<void>): this;
    /**
     * @inheritDoc
     */
    getExecuted(options?: {
        schema?: string;
    }): Promise<MigrationRow[]>;
    /**
     * @inheritDoc
     */
    getPending(options?: {
        schema?: string;
    }): Promise<MigrationInfo[]>;
    /**
     * @inheritDoc
     */
    up(options?: string | string[] | MigrateOptions): Promise<MigrationInfo[]>;
    /**
     * @inheritDoc
     */
    down(options?: string | string[] | Omit<MigrateOptions, 'from'>): Promise<MigrationInfo[]>;
    /**
     * @inheritDoc
     */
    rollup(migrations?: string[]): Promise<MigrationResult>;
    /**
     * Extracts the body of a method from migration source code using brace counting.
     * Returns the raw lines between the opening and closing braces, or empty string if not found.
     * @internal
     */
    private extractMethodBody;
    abstract getStorage(): IMigratorStorage;
    /**
     * @inheritDoc
     */
    logMigration(name: string): Promise<void>;
    /**
     * @inheritDoc
     */
    unlogMigration(name: string): Promise<void>;
    protected init(): Promise<void>;
    protected initPaths(): Promise<void>;
    protected initServices(): void;
    protected resolve(params: {
        name: string;
        path: string;
    }): RunnableMigration;
    protected initialize(MigrationClass: Constructor<Migration>, name: string): RunnableMigration;
    /**
     * Checks if `src` folder exists, it so, tries to adjust the migrations and seeders paths automatically to use it.
     * If there is a `dist` or `build` folder, it will be used for the JS variant (`path` option), while the `src` folder will be
     * used for the TS variant (`pathTs` option).
     *
     * If the default folder exists (e.g. `/migrations`), the config will respect that, so this auto-detection should not
     * break existing projects, only help with the new ones.
     */
    private detectSourceFolder;
    private registerDefaultListeners;
    private emit;
    protected discoverMigrations(): Promise<RunnableMigration[]>;
    private executeMigrations;
    private filterUp;
    private filterDown;
    private getMigrationFilename;
    private prefix;
    protected runMigrations(method: 'up' | 'down', options?: string | string[] | MigrateOptions): Promise<MigrationInfo[]>;
    private runInTransaction;
}
export {};