code: protected MethodDescriptor[] addMissingContextMethodDescriptors(
          Method[] methods, MethodDescriptor[] methodDescriptors) {
  
          List<Method> methodNames = new ArrayList<Method>(methodDescriptors.length);
          Vector<MethodDescriptor> mds = new Vector<MethodDescriptor>(methods.length);
  
          for (int i=0; i<methodDescriptors.length; i++) {
              methodNames.add(methodDescriptors[i].getMethod());
              mds.add(methodDescriptors[i]);
          }
  
          for (int i=0; i<methods.length; i++) {
              if (!methodNames.contains(methods[i])) {
                  mds.add(new MethodDescriptor(methods[i]));
              }           
          }
          
          methodDescriptors = new MethodDescriptor[mds.size()];
          mds.copyInto(methodDescriptors);
  
          return methodDescriptors;
      }
docs: Works around a bug in java.beans.Introspector, where sub-interfaces
  do not return their parent's methods, in the method descriptor array.