import { CommandModel } from './command-model.interface';
export interface IDataSyncHandler<TExecuteResult = any, TRollbackResult = any> {
    readonly type?: string;
    /**
     * Upgrade data by a command.
     * @param cmd The command to upgrade
     */
    up(cmd: CommandModel): Promise<TExecuteResult>;
    /**
     * Downgrade a command.
     * @param cmd The command to downgrade
     */
    down(cmd: CommandModel): Promise<TRollbackResult>;
}