REGEXP_FILE
  RegExpPatternImpl: <(.*)c(.*)>
    RegExpBranchImpl: <(.*)c(.*)>
      RegExpGroupImpl: <(.*)>
        PsiElement(GROUP_BEGIN)('(')
        RegExpPatternImpl: <.*>
          RegExpBranchImpl: <.*>
            RegExpClosureImpl: <.*>
              RegExpSimpleClassImpl: <.>
                PsiElement(DOT)('.')
              RegExpQuantifierImpl: <*>
                PsiElement(STAR)('*')
        PsiElement(GROUP_END)(')')
      RegExpCharImpl: <c>
        PsiElement(CHARACTER)('c')
      RegExpGroupImpl: <(.*)>
        PsiElement(GROUP_BEGIN)('(')
        RegExpPatternImpl: <.*>
          RegExpBranchImpl: <.*>
            RegExpClosureImpl: <.*>
              RegExpSimpleClassImpl: <.>
                PsiElement(DOT)('.')
              RegExpQuantifierImpl: <*>
                PsiElement(STAR)('*')
        PsiElement(GROUP_END)(')')