PyFile:ParamSpecTypeParameterDefaultInClassDeclaration.py
  PyClass: Baz
    PsiElement(Py:CLASS_KEYWORD)('class')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('Baz')
    PyTypeParameterList
      PsiElement(Py:LBRACKET)('[')
      PyTypeParameter
        PsiElement(Py:EXP)('**')
        PsiElement(Py:IDENTIFIER)('P')
        PsiWhiteSpace(' ')
        PsiElement(Py:EQ)('=')
        PsiWhiteSpace(' ')
        PyListLiteralExpression
          PsiElement(Py:LBRACKET)('[')
          PyReferenceExpression: int
            PsiElement(Py:IDENTIFIER)('int')
          PsiElement(Py:COMMA)(',')
          PsiWhiteSpace(' ')
          PyReferenceExpression: str
            PsiElement(Py:IDENTIFIER)('str')
          PsiElement(Py:RBRACKET)(']')
      PsiElement(Py:RBRACKET)(']')
    PyArgumentList
      <empty list>
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace(' ')
    PyStatementList
      PyExpressionStatement
        PyNoneLiteralExpression
          PsiElement(Py:DOT)('.')
          PsiElement(Py:DOT)('.')
          PsiElement(Py:DOT)('.')