session-desktop/ts/session/messages/outgoing/index.ts

import { OutgoingMessage } from './OutgoingMessage';
import { OutgoingContentMessage } from './OutgoingContentMessage';
import { OutgoingDataMessage } from './OutgoingDataMessage';
import { OpenGroupMessage } from './OpenGroupMessage';

export {
  OutgoingMessage,
  OutgoingContentMessage,
  OutgoingDataMessage,
  OpenGroupMessage,
};