code: def inject_long_nonspeech_fragments(self, pairs, replacement_string):
          
          self.log(u"Called inject_long_nonspeech_fragments")
          # set the appropriate fragment text
          if replacement_string in [None, gc.PPV_TASK_ADJUST_BOUNDARY_NONSPEECH_REMOVE]:
              self.log(u"  Remove long nonspeech")
              lines = []
          else:
              self.log([u"  Replace long nonspeech with '%s'", replacement_string])
              lines = [replacement_string]
          # first, make room for the nonspeech intervals
          self.log(u"  First pass: making room...")
          for nsi, index in pairs:
              self[index].interval.end = nsi.begin
              self[index + 1].interval.begin = nsi.end
          self.log(u"  First pass: making room... done")
          self.log(u"  Second pass: append nonspeech intervals...")
          for i, (nsi, index) in enumerate(pairs, 1):
              identifier = u"n%06d" % i
              self.add(SyncMapFragment(
                  text_fragment=TextFragment(
                      identifier=identifier,
                      language=None,
                      lines=lines,
                      filtered_lines=lines
                  ),
                  interval=nsi,
                  fragment_type=SyncMapFragment.NONSPEECH
              ), sort=False)
          self.log(u"  Second pass: append nonspeech intervals... done")
          self.log(u"  Third pass: sorting...")
          self.sort()
          self.log(u"  Third pass: sorting... done")
docs: Inject nonspeech fragments corresponding to the given intervals
          in this fragment list.
  
          It is assumed that ``pairs`` are consistent, e.g. they are produced
          by ``fragments_ending_inside_nonspeech_intervals``.
  
          :param list pairs: list of ``(TimeInterval, int)`` pairs,
                             each identifying a nonspeech interval and
                             the corresponding fragment index ending inside it
          :param string replacement_string: the string to be applied to the nonspeech intervals