));
                }
            });
            return result;
        }
    }

    /**
     * Walks a composite component and its subcomponents to determine coordinates of each variant.
     */
    private static class ComponentWalker {

        interface ComponentVisitor<T> {
            void visitVariant(SoftwareComponentVariant variant, T coordinates);

//
// URLs that do not start with a slash after the scheme are interpreted as:
//
//	scheme:opaque[?query][#fragment]
//
// The Host field contains the host and port subcomponents of the URL.
// When the port is present, it is separated from the host with a colon.
// When the host is an IPv6 address, it must be enclosed in square brackets: