code: def read(cls, source, *args, **kwargs):
          
          return io_registry.read(cls, source, *args, **kwargs)
docs: Read data into a `FrequencySeries`
  
          Arguments and keywords depend on the output format, see the
          online documentation for full details for each format, the
          parameters below are common to most formats.
  
          Parameters
          ----------
          source : `str`, `list`
              Source of data, any of the following:
  
              - `str` path of single data file,
              - `str` path of LAL-format cache file,
              - `list` of paths.
  
          *args
              Other arguments are (in general) specific to the given
              ``format``.
  
          format : `str`, optional
              Source format identifier. If not given, the format will be
              detected if possible. See below for list of acceptable
              formats.
  
          **kwargs
              Other keywords are (in general) specific to the given ``format``.
  
          Notes
          -----