PyFile:TypeAliasStatementWithTypeParameterList.py
  PyTypeAliasStatement
    PsiElement(Py:TYPE_KEYWORD)('type')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('MyType')
    PyTypeParameterList
      PsiElement(Py:LBRACKET)('[')
      PyTypeParameter
        PsiElement(Py:IDENTIFIER)('T')
      PsiElement(Py:COMMA)(',')
      PsiWhiteSpace(' ')
      PyTypeParameter
        PsiElement(Py:IDENTIFIER)('U')
      PsiElement(Py:RBRACKET)(']')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PySubscriptionExpression
      PyReferenceExpression: Union
        PsiElement(Py:IDENTIFIER)('Union')
      PsiElement(Py:LBRACKET)('[')
      PyTupleExpression
        PyReferenceExpression: T
          PsiElement(Py:IDENTIFIER)('T')
        PsiElement(Py:COMMA)(',')
        PsiWhiteSpace(' ')
        PyReferenceExpression: U
          PsiElement(Py:IDENTIFIER)('U')
      PsiElement(Py:RBRACKET)(']')