code: def get_native_header(with_archive_header=True):
      """Get Native format header type.
  
      There are two variants, one including an ASCII archive header and one
      without that header. The header is prepended if the data are ordered
      through the EUMETSAT data center.
      """
      return Msg15NativeHeaderRecord().get(with_archive_header)
  
imports: import numpy
  from satpy.readers.eum_base import time_cds, time_cds_expanded, time_cds_short
  from satpy.readers.seviri_base import HRV_NUM_COLUMNS, HRV_NUM_LINES, VISIR_NUM_COLUMNS, VISIR_NUM_LINES
label_desc: Use image node_id 1 for calling a global function with example usage: get_native_header(with_archive_header) and returns: Msg15NativeHeaderRecord