Filters given discounts and leaves only those which discount minimum order amount is less than total item price with catalog and order discounts applied.

Returns true if condition in given discount is satisfied using Resolver object.

Filters given discounts and leaves only those which conditions and min amounts are met.

Returns discounts for which method DiscountIsUsable returns true. Filtering stops when the first discount without ApplyFurtherDiscounts flag found.

Returns DiscountCartCondition from given discount object.