import { Context as KoaContext } from 'koa';
import { HTTPServer } from './../../server';
import { HTTPParam } from '../param';
export interface HTTPContext<T = any> extends KoaContext {
    data?: T;
}
export declare abstract class HTTPTransactable {
    constructor();
    abstract transaction(ctx: HTTPContext, meta: HTTPParam, server: HTTPServer): Promise<any>;
    commit(): Promise<void>;
    rollback(): Promise<void>;
    release(): Promise<void>;
}