private PsiElement replace(@NonNls String fqn, @NonNls String newName, @NonNls String pckg) {
              XmlAttribute parent = (XmlAttribute)getElement().getParent();
              parent.setValue(fqn.substring(pckg.length()) + "." + newName);
              return parent.getValueElement();
            }
private PsiElement replace(@NonNls String fqn, @NonNls String newName, @NonNls String pckg)