Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
* @param element
	 *            the given element.
	 * @return unique name of given element.
	 */
	public String getUniqueName( DesignElement element )
	{
		return nameManager.getUniqueName( element );
	}
	/**
	 * Gets the name manager of this module.
	 * 
	 * @return the name manager of this module
	 */
	public INameManager getNameManager( )
	{
		return nameManager;
	}
	/**
	 * Returns the file name of the module file.
	 * 
	 * @return the module file name. Returns null if the module has not yet been
	 *         saved to a file.
	 */
	public String getFileName( )
	{
		return fileName;
	}
	/**
	 * Sets the module file name. This method is only called by module reader,
	 * it's illegal to be called for other purpose.