Bug 145724 Change version after auto convert
By the request of 136536, user get warning message to confirm the auto convert. If user select yes, the file convert to newest format, but the version is still old. If user open this file again, he'll get the warning message even the file converted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
*/
	public List getVisibleDataSources( )
	{
		IModuleNameSpace namescope = module
				.getModuleNameSpace( Module.DATA_SOURCE_NAME_SPACE );
		List elementList = namescope
				.getElements( IModuleNameSpace.NATIVE_LEVEL );
		return generateHandleList( elementList );
	}
	/**
	 * Returns all data set handles that this modules and the included modules
	 * contain.
	 * 
	 * @return all data set handles that this modules and the included modules
	 *         contain.
	 */
	public List getAllDataSets( )
	{
		IModuleNameSpace namescope = module
				.getModuleNameSpace( Module.DATA_SET_NAME_SPACE );
		List elementList = namescope
				.getElements( IModuleNameSpace.ARBITARY_LEVEL );
		return generateHandleList( elementList );
	}
	/**
	 * Returns data set handles that are visible to this modules.
	 * 
	 * @return data set handles that are visible to this modules.
	 */
	public List getVisibleDataSets( )