import { TxnOption } from 'oak-domain/lib/types';
import { EntityDict, StorageSchema } from 'oak-domain/lib/types';
import { EntityDict as BaseEntityDict } from 'oak-domain/lib/base-app-domain';
import { MySQLConfiguration } from './types/Configuration';
import { MySqlTranslator } from './translator';
import { MigrationPlanningOptions, Plan, SchemaInspectionResult } from '../types/migration';
import type { Pool as MySqlPool, PoolConnection as MySqlPoolConnection } from 'mysql2/promise';
export declare class MySqlConnector {
    pool?: MySqlPool;
    configuration: MySQLConfiguration;
    txnDict: Record<string, MySqlPoolConnection>;
    constructor(configuration: MySQLConfiguration);
    connect(): void;
    disconnect(): Promise<void>;
    startTransaction(option?: TxnOption): Promise<string>;
    exec(sql: string, txn?: string): Promise<[import("mysql2/promise").RowDataPacket[] | import("mysql2/promise").RowDataPacket[][] | import("mysql2/promise").OkPacket | import("mysql2/promise").OkPacket[] | import("mysql2/promise").ResultSetHeader, import("mysql2/promise").FieldPacket[]]>;
    withConnection<T>(handler: (connection: MySqlPoolConnection) => Promise<T>): Promise<T>;
    readSchema<ED extends EntityDict & BaseEntityDict>(translator: MySqlTranslator<ED>): Promise<StorageSchema<ED>>;
    inspectSchema<ED extends EntityDict & BaseEntityDict>(translator: MySqlTranslator<ED>): Promise<SchemaInspectionResult<ED>>;
    diffSchema<ED extends EntityDict & BaseEntityDict>(currentSchema: StorageSchema<ED>, targetSchema: StorageSchema<ED>, translator: MySqlTranslator<ED>, options?: MigrationPlanningOptions): Plan<ED>;
    commitTransaction(txn: string): Promise<void>;
    rollbackTransaction(txn: string): Promise<void>;
}