for (Dependency managedDependency : dependencyManagement.getDependencies()) {
                    Object key = getDependencyKey().apply(managedDependency);
                    Dependency dependency = dependencies.get(key);
                    if (dependency != null) {
                        Dependency merged = mergeDependency(dependency, managedDependency, false, context);

         *
         * @param managedDependency The managed dependency to add, may be {@code null} in which case the call
         *                          will have no effect.
         * @return this request for chaining, never {@code null}
         */
        @Nonnull
        public DependencyResolverRequestBuilder managedDependency(@Nullable DependencyCoordinates managedDependency) {
            if (managedDependency != null) {

            managedVersions = new HashMap<>();

            for (Dependency managedDependency : managedDependencies) {
                Artifact managedArtifact = createDependencyArtifact(managedDependency, null, pomArtifact);

                managedVersions.put(managedDependency.getManagementKey(), managedArtifact);
            }
        }