import type { ClientBase, ClientConfig } from 'pg';
import type { LogFn, Logger } from './logger';
import type { RunMigration } from './migration';
export interface RunnerOptionConfig {
    /**
     * The table storing which migrations have been run.
     */
    migrationsTable: string;
    /**
     * The schema storing table which migrations have been run.
     *
     * (defaults to same value as `schema`)
     */
    migrationsSchema?: string;
    /**
     * The schema on which migration will be run.
     *
     * @default 'public'
     */
    schema?: string | string[];
    /**
     * The directory containing your migration files. This path is resolved from `cwd()`.
     * Alternatively, provide a [glob](https://www.npmjs.com/package/glob) pattern or
     * an array of glob patterns and set `useGlob = true`
     *
     * Note: enabling glob will read both, `dir` _and_ `ignorePattern` as glob patterns
     */
    dir: string | string[];
    /**
     * Use [glob](https://www.npmjs.com/package/glob) to find migration files.
     * This will use `dir` _and_ `ignorePattern` to glob-search for migration files.
     *
     * Note: enabling glob will read both, `dir` _and_ `ignorePattern` as glob patterns
     *
     * @default false
     */
    useGlob?: boolean;
    /**
     * Check order of migrations before running them.
     */
    checkOrder?: boolean;
    /**
     * Direction of migration-run.
     */
    direction: MigrationDirection;
    /**
     * Number of migration to run.
     */
    count?: number;
    /**
     * Treats `count` as timestamp.
     */
    timestamp?: boolean;
    /**
     * Regex pattern for file names to ignore (ignores files starting with `.` by default).
     * Alternatively, provide a [glob](https://www.npmjs.com/package/glob) pattern or
     * an array of glob patterns and set `isGlob = true`
     *
     * Note: enabling glob will read both, `dir` _and_ `ignorePattern` as glob patterns
     */
    ignorePattern?: string | string[];
    /**
     * Run only migration with this name.
     */
    file?: string;
    dryRun?: boolean;
    /**
     * Creates the configured schema if it doesn't exist.
     */
    createSchema?: boolean;
    /**
     * Creates the configured migration schema if it doesn't exist.
     */
    createMigrationsSchema?: boolean;
    /**
     * Combines all pending migrations into a single transaction so that if any migration fails, all will be rolled back.
     *
     * @default true
     */
    singleTransaction?: boolean;
    /**
     * Disables locking mechanism and checks.
     */
    noLock?: boolean;
    /**
     * Value to use for the lock.
     */
    lockValue?: number;
    /**
     * Mark migrations as run without actually performing them (use with caution!).
     */
    fake?: boolean;
    /**
     * Runs [`decamelize`](https://github.com/sindresorhus/decamelize) on table/column/etc. names.
     */
    decamelize?: boolean;
    /**
     * Redirect log messages to this function, rather than `console`.
     */
    log?: LogFn;
    /**
     * Redirect messages to this logger object, rather than `console`.
     */
    logger?: Logger;
    /**
     * Print all debug messages like DB queries run (if you switch it on, it will disable `logger.debug` method).
     */
    verbose?: boolean;
}
export interface RunnerOptionUrl {
    /**
     * Connection string or client config which is passed to [new pg.Client](https://node-postgres.com/api/client#constructor)
     */
    databaseUrl: string | ClientConfig;
}
export interface RunnerOptionClient {
    /**
     * Instance of [new pg.Client](https://node-postgres.com/api/client).
     *
     * Instance should be connected to DB and after finishing migration, user is responsible to close connection.
     */
    dbClient: ClientBase;
}
export type RunnerOption = RunnerOptionConfig & (RunnerOptionClient | RunnerOptionUrl);
/**
 * Random but well-known identifier shared by all instances of `node-pg-migrate`.
 */
export declare const PG_MIGRATE_LOCK_ID = 7241865325823964;
export type MigrationDirection = 'up' | 'down';
export declare function runner(options: RunnerOption): Promise<RunMigration[]>;