156     def explanation(self, extra=None):  member in Symbol
393     def explanation(self, index):  member in Code
478     def explanation(self, index, extra=None):  member in WithExtra
582     def explanation(self, index, extra):  member in PrefixCodeHeader
600     def explanation(self, index):  member in TreeShapeAlhabet
629     def explanation(self, index, extra=None):  member in LengthOfLengthAlphabet
648     def explanation(self, index, extra):  member in LengthAlphabet
679     def explanation(self, index):  member in WindowSizeAlphabet
730     def explanation(self, index, extra):  member in MetablockLengthAlphabet
743     def explanation(self, index):  member in ReservedAlphabet
750     def explanation(self, index):  member in FillerAlphabet
798     def explanation(self, index, extra):  member in SkipLengthAlphabet
834     def explanation(self, index, extra):  member in TypeCountAlphabet
861     def explanation(self, index):  member in BlockTypeAlphabet
884     def explanation(self, index, extra):  member in BlockCountAlphabet
904     def explanation(self, index, extra):  member in DistanceParamAlphabet
926     def explanation(self, index):  member in LiteralContextMode
944     def explanation(self, index, extra):  member in RLEmaxAlphabet
985     def explanation(self, index, extra):  member in TreeAlphabet
1011     def explanation(self, index, extra=None):  member in LiteralAlphabet
1099     def explanation(self, index, extra):  member in InsertAndCopyAlphabet
1190     def explanation(self, index, extra):  member in DistanceAlphabet