Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/Command.java
* @return The current handler for this command; may be <code>null</code>.
	 * @since 3.2
	 */
	public final IHandler getHandler() {
		return handler;
	}
	/**
	 * Returns the help context identifier associated with this command. This
	 * method should not be called by clients. Clients should use
	 * {@link CommandManager#getHelpContextId(String)} instead.
	 * 
	 * @return The help context identifier for this command; may be
	 *         <code>null</code> if there is none.
	 * @since 3.2
	 */
	final String getHelpContextId() {
		return helpContextId;
	}
	/**
	 * Returns the parameter with the provided id or <code>null</code> if this
	 * command does not have a parameter with the id.
	 * 
	 * @param parameterId
	 *            The id of the parameter to retrieve.
	 * @return The parameter with the provided id or <code>null</code> if this
	 *         command does not have a parameter with the id.
	 * @throws NotDefinedException
	 *             If the handle is not currently defined.
	 * @since 3.2
	 */