Bug 125420 [Commands] parameters: allow commands to specify return type
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/CommandEvent.java
*/
	public final Command getCommand() {
		return command;
	}
	/**
	 * Returns whether or not the category property changed.
	 * 
	 * @return <code>true</code>, iff the category property changed.
	 */
	public final boolean isCategoryChanged() {
		return ((changedValues & CHANGED_CATEGORY) != 0);
	}
	/**
	 * Returns whether or not the handled property changed.
	 * 
	 * @return <code>true</code>, iff the handled property changed.
	 */
	public final boolean isHandledChanged() {
		return ((changedValues & CHANGED_HANDLED) != 0);
	}
	/**
	 * Returns whether or not the parameters have changed.
	 * 
	 * @return <code>true</code>, iff the parameters property changed.
	 */
	public final boolean isParametersChanged() {
		return ((changedValues & CHANGED_PARAMETERS) != 0);
	}
}