Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/ComputedObservableMap.java
}
	/**
	 * @since 1.3
	 */
	public boolean containsKey(Object key) {
		getterCalled();
		return keySet().contains(key);
	}
	public Set entrySet() {
		return entrySet;
	}
	public Set keySet() {
		return keySet;
	}
	final public Object get(Object key) {
		getterCalled();
		if (!keySet.contains(key))
			return null;
		return doGet(key);
	}
	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}
	final public Object put(Object key, Object value) {
		checkRealm();
		if (!keySet.contains(key))
			return null;
		return doPut(key, value);
	}
	/**