Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/databinding/property/value/DelegatingValueProperty.java
public Object getValueType() {
			return valueType;
		}
		protected Object doGetValue(Object source) {
			return null;
		}
		protected void doSetValue(Object source, Object value) {
		}
		public INativePropertyListener adaptListener(
				ISimplePropertyListener listener) {
			return null;
		}
	}
}