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