REGEXP_FILE
  RegExpPatternImpl: <[\N{Mahjong Tile Winter}]>
    RegExpBranchImpl: <[\N{Mahjong Tile Winter}]>
      RegExpClassImpl: <[\N{Mahjong Tile Winter}]>
        PsiElement(CLASS_BEGIN)('[')
        RegExpNamedCharacterImpl: <\N{Mahjong Tile Winter}>
          PsiElement(NAMED_CHARACTER)('\N')
          PsiElement(LBRACE)('{')
          PsiElement(NAME)('Mahjong Tile Winter')
          PsiElement(RBRACE)('}')
        PsiElement(CLASS_END)(']')