code: def getTupleSize_(flags, axisCount):
      size = 4
      if (flags & EMBEDDED_PEAK_TUPLE) != 0:
          size += axisCount * 2
      if (flags & INTERMEDIATE_REGION) != 0:
          size += axisCount * 4
      return size
  
imports: from fontTools.misc.fixedTools import fixedToFloat, floatToFixed, floatToFixedToStr, strToFixedToFloat, otRound
  from fontTools.misc.textTools import safeEval
  import array
  from collections import Counter, defaultdict
  import io
  import logging
  import struct
  import sys
label_desc: Use image node_id 20 for calling the TupleVariation obj's underlying member method code with example usage: obj.getTupleSize_(flags, axisCount) and returns: size