+ @JavaName getFirstSubject
+ getFirstSubject :: PropertyChange -> <Proc> Resource
+
+ @JavaName getSecondSubject
+ getSecondSubject :: PropertyChange -> <Proc> Resource
+
+ @JavaName isVisible
+ pcVisible :: PropertyChange -> <Proc> Boolean
+
+ @JavaName enabled
+ pcEnabled :: PropertyChange -> <Proc> Boolean
+
+ @JavaName setEnabled
+ pcEnable :: PropertyChange -> Boolean -> <Proc> ()
+