code: def D(self, j=None):
      if j is None:
          return [
              self._tab.Get(
                  flatbuffers.number_types.Int64Flags,
                  self._tab.Pos
                  + flatbuffers.number_types.UOffsetTFlags.py_type(
                      16 + i * 8
                  ),
              )
              for i in range(self.DLength())
          ]
      elif j >= 0 and j < self.DLength():
          return self._tab.Get(
              flatbuffers.number_types.Int64Flags,
              self._tab.Pos
              + flatbuffers.number_types.UOffsetTFlags.py_type(
                  16 + j * 8
              ),
          )
      else:
          return None
  
imports: import flatbuffers
  from flatbuffers.compat import import_numpy
  from typing import Any
label_desc: Use image node_id 12 for calling the NestedStruct obj's underlying member method code with example usage: obj.D(j) and returns: unknown, self, None