import { ArtemisPrice, BFPrices, FancyPrice, IonPrice, MarketDefinition, VirtualPriceStack } from '../entities';
import { DateTime } from 'luxon';
export declare class VirtualPriceHelper {
    static convertBfPrices(input: BFPrices[]): VirtualPriceStack[];
    static convertArtemisPrices(input: ArtemisPrice[], def: MarketDefinition): VirtualPriceStack[];
    static convertFancyPrices(input: FancyPrice[]): VirtualPriceStack[];
    static convertIonPrices(input: IonPrice[]): VirtualPriceStack[];
    static expandPriceStack<T>(stack: T[], from: DateTime, to: DateTime, getDate: (item: T) => DateTime, patcher: (item: T, date: DateTime) => T): T[];
}