export interface Fees { basicFee?: number | null | undefined; counterFoilFee?: number | null | undefined; continuationSheetFee?: number | null | undefined; expeditedFee?: number | null | undefined; shippingFee?: number | null | undefined; bondPremium?: number | null | undefined; cargoPremium?: number | null | undefined; ldiPremium?: number | null | undefined; }