public ShadowPropertyDescriptor(DummyValueInsteadOfNullTypeDescriptionProvider parent,
                                 PropertyDescriptor existingDescriptor)
     : base(existingDescriptor)
 {
     this._parent         = parent;
     this._baseDescriptor = existingDescriptor;
 }
			public ShadowPropertyDescriptor(DummyValueInsteadOfNullTypeDescriptionProvider parent,
			                                PropertyDescriptor existingDescriptor)
				: base(existingDescriptor)
			{
				this._parent = parent;
				this._baseDescriptor = existingDescriptor;
			}
 public ShadowTypeDescriptor(DummyValueInsteadOfNullTypeDescriptionProvider parent,
                             ICustomTypeDescriptor existingDescriptor)
     : base(existingDescriptor)
 {
     this._parent = parent;
 }
			public ShadowTypeDescriptor(DummyValueInsteadOfNullTypeDescriptionProvider parent,
			                            ICustomTypeDescriptor existingDescriptor)
				: base(existingDescriptor)
			{
				this._parent = parent;
			}