import { Asset } from "../asset/Asset";
export declare class ExtensionRegistrationError extends Error {
    constructor(message: string);
}
/**
 * Manages extension registration
 */
export declare class ExtensionRegistrationService {
    /**
       * open the create add on bar
       * @param guestConnection - the guest connection
       * @param appExtensionId - the app extension id
       *
       * example:
              const ExtensionRegistration = (): React.JSX.Element => {
                  const init = async (): Promise<void> => {
                  const guestConnection = await register({
                      id: extensionId,
                      methods: {
                      createAddOnBar: {
                          addToggle: async (appExtensionId: string): Promise<ToggleItem[]> => {
                          return [
                              {
                              appMetaData: getAppMetadata(appExtensionId),
                              onClick: async () => {
                                  await openCreateAddOnBar(guestConnection, appExtensionId);
                              },
                              }]
                          }
                      }
                      }
                  }
                  return <ExtensionRegistration />
              }
       */
    static openCreateAddOnBar(guestConnection: any, appExtensionId: string): any;
    /**
     * open the add context add on bar
     * @param guestConnection - the guest connection
     * @param appExtensionId - the app extension id
     */
    static openAddContextAddOnBar(guestConnection: any, appExtensionId: string): any;
    /**
     * close the add context add on dialog
     * @param guestConnection - the guest connection
     */
    static closeAddContextAddOnBar(guestConnection: any): any;
    /**
     * set the selected assets
     * @param guestConnection - the guest connection
     * @param extensionId - the extension id of the content select content add ons, this id will be used to identify the content select content add ons
     * @param assets - the selected assets
     */
    static selectContentExtensionSetSelectedAssets(guestConnection: any, extensionId: string, assets: Asset[]): any;
    /**
     * sync the selected assets
     * @param guestConnection - the guest connection
     * @returns the selected assets and the total count of left assets
     */
    static selectContentExtensionSync(guestConnection: any): Promise<{
        selectedAssets: Asset[];
        selectionLimit: number;
    }>;
}