class_docstr: Class for MGH format header
  
  The header also consists of the footer data which MGH places after the data
  chunk.
class_docstr_tok: ["Class","for","MGH","format","header","The","header","also","consists","of","the","footer","data","which","MGH","places","after","the","data","chunk","."]
docstr: Return offset where the footer resides.
  Occurs immediately after the data chunk.
docstr_tok: ["Return","offset","where","the","footer","resides",".","Occurs","immediately","after","the","data","chunk","."]
code: def get_footer_offset(self):
      """Return offset where the footer resides.
      Occurs immediately after the data chunk.
      """
      return self.get_data_offset() + self.get_data_size()
  
imports: from os.path import splitext
  import numpy
  from ..affines import from_matvec, voxel_sizes
  from ..arrayproxy import ArrayProxy, reshape_dataobj
  from ..batteryrunners import BatteryRunner, Report
  from ..filebasedimages import SerializableImage
  from ..fileholders import FileHolder
  from ..filename_parser import _stringify_path
  from ..openers import ImageOpener
  from ..spatialimages import HeaderDataError, SpatialHeader, SpatialImage
  from ..volumeutils import Recoder, array_from_file, array_to_file, endian_codes
  from ..wrapstruct import LabeledWrapStruct
label_desc: Use image node_id 20 for calling the MGHHeader obj's underlying member method code with example usage: obj.get_footer_offset() and returns: unknown