import { DbContext, ISOLATION_LEVEL, TDbConnConf, TDbContextOption } from "@simplysm/sd-orm-common";
import { Type } from "@simplysm/sd-core-common";
export declare class SdOrm<T extends DbContext> {
    readonly dbContextType: Type<T>;
    readonly config: TDbConnConf;
    readonly dbContextOpt?: Partial<TDbContextOption> | undefined;
    constructor(dbContextType: Type<T>, config: TDbConnConf, dbContextOpt?: Partial<TDbContextOption> | undefined);
    connectAsync<R>(callback: (conn: T) => Promise<R>, isolationLevel?: ISOLATION_LEVEL): Promise<R>;
    connectWithoutTransactionAsync<R>(callback: (conn: T) => Promise<R>): Promise<R>;
}