Bug 267021 [DataBinding] NotUsedLocally errors in org.eclipse.core.databinding
bundles/org.eclipse.core.databinding/src/org/eclipse/core/databinding/property/map/DelegatingMapProperty.java
protected Map doGetMap(Object source) {
			return Collections.EMPTY_MAP;
		}
		protected void doSetMap(Object source, Map map, MapDiff diff) {
		}
		public INativePropertyListener adaptListener(
				ISimplePropertyListener listener) {
			return null;
		}
		protected void doAddListener(Object source,
				INativePropertyListener listener) {
		}
		protected void doRemoveListener(Object source,
				INativePropertyListener listener) {
		}
		public Object getKeyType() {
			return keyType;
		}
		public Object getValueType() {
			return valueType;
		}
	}
}