class_docstr: Base file handler.
class_docstr_tok: ["Base","file","handler","."]
docstr: Get start time.
docstr_tok: ["Get","start","time","."]
code: def start_time(self):
      """Get start time."""
      return self.filename_info["start_time"]
  
imports: import numpy
  import xarray
  from pyresample.geometry import SwathDefinition
  from satpy.dataset import combine_metadata
  from satpy.readers import open_file_or_filename
label_desc: Use image node_id 11 for calling the BaseFileHandler obj's underlying member method code with example usage: obj.start_time() and returns: self