Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/StructureFactory.java
{
	/**
	 * Creates an empty data set cached meta-data structure.
	 * 
	 * @return an empty data set cached meta-data structure.
	 */
	public static CachedMetaData createCachedMetaData( )
	{
		return new CachedMetaData( );
	}
	/**
	 * Creates an empty computed column structure.
	 *