import { MysqlStore, PostgreSQLStore } from "oak-db";
import { DbConfiguration } from "oak-db/src/types/configuration";
import { EntityDict, StorageSchema } from 'oak-domain/lib/types';
import { EntityDict as BaseEntityDict } from 'oak-domain/lib/base-app-domain';
import { BackendRuntimeContext } from 'oak-frontend-base/lib/context/BackendRuntimeContext';
import { CascadeStore } from "oak-domain/lib/store/CascadeStore";
import { DbStore } from "oak-db/lib/types/dbStore";
/**
 * 数据库优先级列表，按顺序尝试获取配置文件
 */
export declare const dbList: {
    mysql: typeof MysqlStore;
    postgres: typeof PostgreSQLStore;
};
export declare const DbTypeSymbol: unique symbol;
export declare const getDbConfig: (path: string) => DbConfiguration & {
    [DbTypeSymbol]: string;
};
export declare const getDbStoreClass: <ED extends EntityDict & BaseEntityDict, Cxt extends BackendRuntimeContext<ED>>(config: {
    [DbTypeSymbol]?: string;
}) => new (schema: StorageSchema<ED>, config: DbConfiguration) => DbStore<ED, Cxt> & CascadeStore<ED>;