import BigNumber from 'bignumber.js';
import { Procedure } from '../../internal';
import { FungibleAsset, InvestInOfferingParams, OffChainFundingReceipt, PortfolioId, Tier } from '../../types';
import { ExtrinsicParams, ProcedureAuthorization, TransactionSpec } from '../../types/internal';
/**
 * @hidden
 */
export type Params = InvestInOfferingParams & {
    id: BigNumber;
    asset: FungibleAsset;
};
/**
 * @hidden
 */
export type Storage = {
    purchasePortfolioId: PortfolioId;
} & ({
    fundingPortfolioId: PortfolioId;
} | {
    offChainFundingReceipt: OffChainFundingReceipt;
    offChainTicker: string;
});
/**
 * @hidden
 */
interface TierStats {
    remainingTotal: BigNumber;
    price: BigNumber;
    remainingToPurchase: BigNumber;
}
/**
 * @hidden
 */
export declare const calculateTierStats: (tiers: Tier[], purchaseAmount: BigNumber, maxPrice?: BigNumber) => Omit<TierStats, "remainingToPurchase">;
/**
 * @hidden
 */
export declare function prepareInvestInSto(this: Procedure<Params, void, Storage>, args: Params): Promise<TransactionSpec<void, ExtrinsicParams<'txSto', 'invest'>>>;
/**
 * @hidden
 */
export declare function getAuthorization(this: Procedure<Params, void, Storage>): ProcedureAuthorization;
/**
 * @hidden
 */
export declare function prepareStorage(this: Procedure<Params, void, Storage>, params: Params): Storage;
/**
 * @hidden
 */
export declare const investInOffering: () => Procedure<Params, void, Storage>;
export {};
//# sourceMappingURL=investInOffering.d.ts.map