code: private List<MavenDependencyDescriptor> addManagedDependencies(MavenDependentDescriptor pomDescriptor, DependencyManagement dependencyManagement,
              ScannerContext scannerContext, Class<? extends AbstractDependencyDescriptor> relationClass) {
          if (dependencyManagement == null) {
              return Collections.emptyList();
          }
          List<Dependency> dependencies = dependencyManagement.getDependencies();
          return getDependencies(pomDescriptor, dependencies, relationClass, scannerContext);
      }
docs: Adds dependency management information.
  
  @param pomDescriptor
  The descriptor for the current POM.
  @param dependencyManagement
  The dependency management information.
  @param scannerContext