protected void processIndexTemplate(
            final Configuration cfg,
            final List<DocWorkUnit> workUnitList,
            final List<Map<String, String>> groupMaps
   ) throws IOException {
        // Get or create a template and merge in the data
        final Template template = cfg.getTemplate(getIndexTemplateName());

        final File indexFile = new File(getDestinationDir(),
                            getIndexBaseFileName() + '.' + getIndexFileExtension()
        );

        try (final FileOutputStream fileOutStream = new FileOutputStream(indexFile);
             final OutputStreamWriter outWriter = new OutputStreamWriter(fileOutStream)) {
            template.process(groupIndexMap(workUnitList, groupMaps), outWriter);
        } catch (TemplateException e) {
            throw new DocException("Freemarker Template Exception during documentation index creation", e);
        }
    }
protected void processIndexTemplate ( final Configuration cfg , final List < DocWorkUnit > workUnitList , final List < Map < String , String > > groupMaps ) throws IOException { final Template template = cfg . getTemplate ( getIndexTemplateName ( ) ) ; final File indexFile = new File ( getDestinationDir ( ) , getIndexBaseFileName ( ) + '.' + getIndexFileExtension ( ) ) ; try ( final FileOutputStream fileOutStream = new FileOutputStream ( indexFile ) ; final OutputStreamWriter outWriter = new OutputStreamWriter ( fileOutStream ) ) { template . process ( groupIndexMap ( workUnitList , groupMaps ) , outWriter ) ; } catch ( TemplateException e ) { throw new DocException ( "Freemarker Template Exception during documentation index creation" , e ) ; } }
Create the php index listing all of the Docs features

@param cfg
@param workUnitList
@param groupMaps
@throws IOException