Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
*      java.lang.Object)
	 */
	protected void setIntrinsicProperty( String propName, Object value )
	{
		if ( UNITS_PROP.equals( propName ) )
			units = (String) value;
		else if ( THEME_PROP.equals( propName ) )
		{
			ReferenceValueUtil.updateReference( this, theme, (ReferenceValue) value, getPropertyDefn( THEME_PROP ) );
			theme = (ElementRefValue) value;
		}
		else
			super.setIntrinsicProperty( propName, value );
	}
	/**
	 * Returns the writer for this moudle.
	 * 
	 * @return the writer for this moudle.
	 */
	public abstract ModuleWriter getWriter( );
	/**
	 * Returns the module handle.
	 * 
	 * @return module handle
	 */
	public ModuleHandle getModuleHandle( )
	{
		return (ModuleHandle) getHandle( this );
	}
	/**