/**
	 * Test if a launch configuration is a valid reference.
	 * @param config configuration reference
	 * @return <code>true</code> if it is a valid reference, <code>false</code> if launch configuration should be filtered
	 */
/**
	 * Test if a launch configuration is a valid reference.
	 * @param config configuration reference
	 * @return <code>true</code> if it is a valid reference, <code>false</code> if launch configuration should be filtered
	 */ | MultiLaunchConfigurationDelegate.java