import { IMigrationOptions } from 'migrations/types';
import { V5IMessageData } from 'migrations/types/old/v5';
export declare function runV4ToV5Migrations(options: IMigrationOptions<V5IMessageData>): IMigrationOptions<V5IMessageData<any>> | Promise<IMigrationOptions<V5IMessageData<any>>>;
export declare function runV5ToV4Migrations(options: IMigrationOptions<V5IMessageData>): IMigrationOptions<V5IMessageData<any>> | Promise<IMigrationOptions<V5IMessageData<any>>>;