![](../../../../../../style/Empty.gif) ![](../../../../../../style/Empty.gif) ![](../../../../../../style/Empty.gif) ![](../../../../../../style/Empty.gif) ![](../../../../../../style/Empty.gif) ![](../../../../../../style/Empty.gif) | ![](../../../../../../style/ThreeWay.gif) | abstract public class Expression extends Observable implements Identity,Nameable,Writeable,Draggable,Observer(Code)(Java Doc)
| ![](../../../../../../style/Horizontal.gif) | public interface Identity (Code)(Java Doc)
| ![](../../../../../../style/Horizontal.gif) | public interface Nameable (Code)(Java Doc)
| ![](../../../../../../style/Horizontal.gif) | public interface Writeable (Code)(Java Doc)
| ![](../../../../../../style/Horizontal.gif) | public interface Draggable (Code)(Java Doc)
| ![](../../../../../../style/Horizontal.gif) | public interface Observer (Code)(Java Doc)
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