Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/Command.java
buffer.write(parameters==null?"":parameters.toString()); 
				buffer.write(',');
				buffer.write(returnType==null?"":returnType.toString()); 
				buffer.write(',');
				buffer.write(""+defined); 
				buffer.write(')');
				buffer.flush();
			} catch (IOException e) {
				
			}
			string = sw.toString();
		}
		return string;
	}
	/**
	 * Makes this command become undefined. This has the side effect of changing
	 * the name and description to <code>null</code>. This also removes all
	 * state and disposes of it. Notification is sent to all listeners.
	 */
	public final void undefine() {
		boolean enabledChanged = isEnabled();
		string = null;
		final boolean definedChanged = defined;
		defined = false;
		final boolean nameChanged = name != null;
		name = null;
		final boolean descriptionChanged = description != null;
		description = null;
		final boolean categoryChanged = category != null;
		category = null;