`IEditLinkObserver`
		Update
		Edit
		Reset
		Modified
		IsModified
		IsValidChar
		IsRequired
		GetIsReadOnly
		SetIsReadOnly
		GetIsEditing
		BeginUpdate
		EndUpdate
		GetUpdating
		GetFormatLink

`ISingleCastObserver`

`IObserver`
		Removed
		GetActive
		SetActive
		GetOnObserverToggle
		SetOnObserverToggle