import { LineItem } from "../models/line-item";
import { TaxCalculationContext } from "./tax-service";
import { LineItemTaxLine } from "../models/line-item-tax-line";
import { ShippingMethodTaxLine } from "../models/shipping-method-tax-line";
export interface ITaxCalculationStrategy {
    /**
     * Calculates the tax amount for a given set of line items under applicable
     * tax conditions and calculation contexts.
     * @param items - the line items to calculate the tax total for
     * @param taxLines - the tax lines that applies to the calculation
     * @param calculationContext - other details relevant for the calculation
     * @return the tax total
     */
    calculate(items: LineItem[], taxLines: (ShippingMethodTaxLine | LineItemTaxLine)[], calculationContext: TaxCalculationContext): Promise<number>;
}
export declare function isTaxCalculationStrategy(object: any): object is ITaxCalculationStrategy;