import { Migrator } from 'kysely';
import pg from 'pg';
declare const PgPool: typeof pg.Pool;
type PgPool = InstanceType<typeof PgPool>;
import type TypedEmitter from 'typed-emitter';
import { DatabaseSchema } from './database-schema.js';
import { PgOptions } from './types.js';
export type { DatabaseSchema };
export declare class Database {
    opts: PgOptions;
    pool: PgPool;
    db: DatabaseSchema;
    migrator: Migrator;
    txEvt: TxnEmitter;
    destroyed: boolean;
    constructor(opts: PgOptions, instances?: {
        db: DatabaseSchema;
        pool: PgPool;
        migrator: Migrator;
    });
    get schema(): string | undefined;
    transaction<T>(fn: (db: Database) => Promise<T>): Promise<T>;
    get isTransaction(): boolean;
    assertTransaction(): void;
    assertNotTransaction(): void;
    onCommit(fn: () => void): void;
    migrateToOrThrow(migration: string): Promise<import("kysely").MigrationResult[]>;
    migrateToLatestOrThrow(): Promise<import("kysely").MigrationResult[]>;
    close(): Promise<void>;
}
export default Database;
type TxnEmitter = TypedEmitter.default<TxnEvents>;
type TxnEvents = {
    commit: () => void;
};
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