docs: def run(xml_report_dir, xml_report_filter='TEST-', html_report_path='.', 
          generate_exec_time_graphs=True, html_report_dir='report.th',
          initial_java_heap_size=None, maximum_java_heap_size=None):
          """ Use UnitTH to generate a test history report
  
          Args:
              xml_report_dir (:obj:`str`): Parent directory of XML reports of individual builds to generate a history report of 
              xml_report_filter (:obj:`str`, optional): Starts-with filter for individual reports with `xml_report_dir` that should 
                  be included in the history report. Set `xml_report_filter` to '' to include all files/subdirectories in the history
                  report.
              html_report_path (:obj:`str`, optional): Directory of HTML reports of individual builds (relative to XML directories of 
                  individual builds)
              generate_exec_time_graphs (:obj:`bool`, optional): Whether execution time graphs shall be generated
              html_report_dir (:obj:`str`, optional): directory to store generated HTML history report
              initial_java_heap_size (:obj:`str`, optional): initial Java heap size
              maximum_java_heap_size (:obj:`str`, optional): maximum Java heap size
          """
  
          cmd = []
          cmd.append('java')
  
          if initial_java_heap_size:
              cmd.append('-Xms{}'.format(initial_java_heap_size))
          if maximum_java_heap_size:
              cmd.append('-Xmx{}'.format(maximum_java_heap_size))
  
          cmd.append('-Dunitth.xml.report.filter={}'.format(xml_report_filter))
          cmd.append('-Dunitth.html.report.path={}'.format(html_report_path))
          cmd.append('-Dunitth.generate.exectimegraphs={}'.format('{}'.format(generate_exec_time_graphs).lower()))
          cmd.append('-Dunitth.report.dir={}'.format(html_report_dir))
          cmd.append('-jar')
          cmd.append('"{}"'.format(resource_filename('unitth', 'lib/unitth/unitth.jar')))
          cmd.append(xml_report_dir)
  
          subprocess.check_call(' '.join(cmd), shell=True)