code: def _formatConfig(self, conf_dict):
          
          confs = []
          graph_dict = conf_dict['graph']
          field_list = conf_dict['fields']
          
          # Order and format Graph Attributes
          title = graph_dict.get('title')
          if title is not None:
              if self.isMultiInstance and self._instanceLabel is not None:
                  if self._instanceLabelType == 'suffix':
                      confs.append("graph_%s %s - %s" % ('title', 
                                                         title, 
                                                         self._instanceLabel,))
                  elif self._instanceLabelType == 'prefix':
                      confs.append("graph_%s %s - %s" % ('title', 
                                                         self._instanceLabel,
                                                         title,))
              else:
                  confs.append("graph_%s %s" % ('title', title))
          for key in ('category', 'vlabel', 'info', 'args', 'period', 
                      'scale', 'total', 'order', 'printf', 'width', 'height'):
              val = graph_dict.get(key)
              if val is not None:
                  if isinstance(val, bool):
                      if val:
                          val = "yes"
                      else:
                          val = "no"
                  confs.append("graph_%s %s" % (key, val))
  
          # Order and Format Field Attributes
          for (field_name, field_attrs) in field_list:
              for key in ('label', 'type', 'draw', 'info', 'extinfo', 'colour',
                          'negative', 'graph', 'min', 'max', 'cdef', 
                          'line', 'warning', 'critical'):
                  val = field_attrs.get(key)
                  if val is not None:
                      if isinstance(val, bool):
                          if val:
                              val = "yes"
                          else:
                              val = "no"
                      confs.append("%s.%s %s" % (field_name, key, val))
          return "\n".join(confs)
docs: Formats configuration directory from Munin Graph and returns 
          multi-line value entries for the plugin config cycle.
          
          @param conf_dict: Configuration directory. 
          @return:          Multi-line text.