import { MessengerWebviewHeightRatios } from '../../const/block-enums';
import { CommonBlocks } from '../../const/common-blocks-enums';
import User from '../../interfaces/user';
import ChoiceBuilder from './choice-builder';
export default class ExtensionCB extends ChoiceBuilder {
    constructor(url: string, webviewHeightRatio: MessengerWebviewHeightRatios, user: User, onSuccessBlockId: string, onCancelBlockId?: CommonBlocks, fallbackUrl?: string, session?: any, profile?: any);
}