Bug 186403 [KeyBindings] provide conflict information to users outside of logging
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
IStatus.ERROR,
											Policy.JFACE,
											IStatus.OK,
											"Undefined context while filtering dialog/window contexts", 
											e));
				}
			}
		}
		return createContextTreeFor(contextIds);
	}
	/**
	 * <p>
	 * Notifies all of the listeners to this manager that the defined or active
	 * schemes of bindings have changed.
	 * </p>
	 * <p>
	 * The time this method takes to complete is dependent on external
	 * listeners.
	 * </p>
	 * 
	 * @param event
	 *            The event to send to all of the listeners; must not be
	 *            <code>null</code>.
	 */
	private final void fireBindingManagerChanged(final BindingManagerEvent event) {
		if (event == null) {
			throw new NullPointerException();
		}
		final Object[] listeners = getListeners();
		for (int i = 0; i < listeners.length; i++) {