def _set_nxm_headers(nxm_headers):
 def _set_nxm_headers_dec(self):
  self.nxm_headers = nxm_headers
  return self
 return _set_nxm_headers_dec

def _set_nxm_headers ( nxm_headers ) : def _set_nxm_headers_dec ( self ) : self . nxm_headers = nxm_headers return self return _set_nxm_headers_dec
annotate corresponding nxm header .