import { IUser } from '../../services/user/IUser';
import { IGrowthFundOffer } from '../../domain/IGrowthFundOffer';
import { IGrowthFundPurchase } from '../../domain/IGrowthFundPurchase';
import { IPurchase } from '../../domain/IPurchase';
import { ICreatedAt } from '../../domain/IOffer';
export declare const hasValidLevel: ({ level }: IUser) => ({ maxLevel, minLevel }: IGrowthFundOffer) => boolean;
export declare const findPurchase: <T extends IPurchase>(purchases: T[]) => (id: string) => T;
export declare const findLastPurchase: <T extends ICreatedAt>(purchases: T[]) => T;
export declare const isOfferValid: (purchases: IGrowthFundPurchase[], user: IUser) => (offer: IGrowthFundOffer) => boolean;
export declare const isOfferValidToBeShownOnStartup: (purchases: IGrowthFundPurchase[], user: IUser) => (offer: IGrowthFundOffer) => boolean;
export declare function hasLevelToShowGrowthFund(level: number): boolean;