import { InBrainNativeSurvey, InBrainSurveyReward, InBrainNativeOffer, InBrainCurrencySale, Category } from '../models';
export declare const mapSurveys: (nativeSurveys: Array<[string: any]>) => InBrainNativeSurvey[];
export declare const mapRewards: (nativeRewards: any) => InBrainSurveyReward[];
export declare const mapOffers: (nativeOffers: Array<[string: any]>) => InBrainNativeOffer[];
export declare const mapCurrencySale: (currencySale: any) => InBrainCurrencySale | undefined;
export declare const mapCategories: (categories: number[]) => Category[];