import { Driver } from "../driver/Driver";
import { Repository } from "../repository/Repository";
import { EntitySubscriberInterface } from "../subscriber/EntitySubscriberInterface";
import { ObjectType } from "../common/ObjectType";
import { EntityManager } from "../entity-manager/EntityManager";
import { TreeRepository } from "../repository/TreeRepository";
import { NamingStrategyInterface } from "../naming-strategy/NamingStrategyInterface";
import { EntityMetadata } from "../metadata/EntityMetadata";
import { Logger } from "../logger/Logger";
import { MigrationInterface } from "../migration/MigrationInterface";
import { MongoRepository } from "../repository/MongoRepository";
import { MongoEntityManager } from "../entity-manager/MongoEntityManager";
import { ConnectionOptions } from "./ConnectionOptions";
import { QueryRunner } from "../query-runner/QueryRunner";
import { SelectQueryBuilder } from "../query-builder/SelectQueryBuilder";
import { QueryResultCache } from "../cache/QueryResultCache";
import { SqljsEntityManager } from "../entity-manager/SqljsEntityManager";
import { RelationLoader } from "../query-builder/RelationLoader";
import { RelationIdLoader } from "../query-builder/RelationIdLoader";
import { EntitySchema } from "../";
export declare class Connection {
    readonly name: string;
    readonly options: ConnectionOptions;
    readonly isConnected: boolean;
    readonly driver: Driver;
    readonly manager: EntityManager;
    readonly namingStrategy: NamingStrategyInterface;
    readonly logger: Logger;
    readonly migrations: MigrationInterface[];
    readonly subscribers: EntitySubscriberInterface<any>[];
    readonly entityMetadatas: EntityMetadata[];
    readonly queryResultCache?: QueryResultCache;
    readonly relationLoader: RelationLoader;
    readonly relationIdLoader: RelationIdLoader;
    constructor(options: ConnectionOptions);
    readonly mongoManager: MongoEntityManager;
    readonly sqljsManager: SqljsEntityManager;
    connect(): Promise<this>;
    close(): Promise<void>;
    synchronize(dropBeforeSync?: boolean): Promise<void>;
    dropDatabase(): Promise<void>;
    runMigrations(options?: {
        transaction?: boolean;
    }): Promise<void>;
    undoLastMigration(options?: {
        transaction?: boolean;
    }): Promise<void>;
    hasMetadata(target: Function | EntitySchema<any> | string): boolean;
    getMetadata(target: Function | EntitySchema<any> | string): EntityMetadata;
    getRepository<Entity>(target: ObjectType<Entity> | EntitySchema<Entity> | string): Repository<Entity>;
    getTreeRepository<Entity>(target: ObjectType<Entity> | EntitySchema<Entity> | string): TreeRepository<Entity>;
    getMongoRepository<Entity>(target: ObjectType<Entity> | EntitySchema<Entity> | string): MongoRepository<Entity>;
    getCustomRepository<T>(customRepository: ObjectType<T>): T;
    transaction(runInTransaction: (entityManager: EntityManager) => Promise<any>): Promise<any>;
    query(query: string, parameters?: any[], queryRunner?: QueryRunner): Promise<any>;
    createQueryBuilder<Entity>(entityClass: ObjectType<Entity> | EntitySchema<Entity> | Function | string, alias: string, queryRunner?: QueryRunner): SelectQueryBuilder<Entity>;
    createQueryBuilder(queryRunner?: QueryRunner): SelectQueryBuilder<any>;
    createQueryRunner(mode?: "master" | "slave"): QueryRunner;
    getManyToManyMetadata(entityTarget: Function | string, relationPropertyPath: string): EntityMetadata | undefined;
    createEntityManager(queryRunner?: QueryRunner): EntityManager;
    protected findMetadata(target: Function | EntitySchema<any> | string): EntityMetadata | undefined;
    protected buildMetadatas(): void;
}