PyFile:TypeVarTypeParameterDefaultInTypeAliasStatement.py
  PyTypeAliasStatement
    PsiElement(Py:TYPE_KEYWORD)('type')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('Foo')
    PyTypeParameterList
      PsiElement(Py:LBRACKET)('[')
      PyTypeParameter
        PsiElement(Py:IDENTIFIER)('T')
        PsiWhiteSpace(' ')
        PsiElement(Py:EQ)('=')
        PsiWhiteSpace(' ')
        PyReferenceExpression: str
          PsiElement(Py:IDENTIFIER)('str')
      PsiElement(Py:RBRACKET)(']')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PySubscriptionExpression
      PyReferenceExpression: Bar
        PsiElement(Py:IDENTIFIER)('Bar')
      PsiElement(Py:LBRACKET)('[')
      PyReferenceExpression: T
        PsiElement(Py:IDENTIFIER)('T')
      PsiElement(Py:RBRACKET)(']')