Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/viewers/CheckableCheckedElementsProperty.java
private final Object elementType;
	/**
	 * @param elementType
	 */
	public CheckableCheckedElementsProperty(Object elementType) {
		this.elementType = elementType;
	}
	public Object getElementType() {
		return elementType;
	}
	protected Set doGetSet(Object source) {
		throw new UnsupportedOperationException(
				"Cannot query the checked elements on an ICheckable"); 
	}
	protected void doSetSet(Object source, Set set) {
		throw new UnsupportedOperationException(
				"Cannot batch replace the checked elements on an ICheckable.  " +