PyFile:PatternMatchingVariableTypeDeclarationLooksLikeIncompleteMatchStatement.py
  PyTypeDeclarationStatement
    PyTargetExpression: match
      PsiElement(Py:IDENTIFIER)('match')
    PyAnnotation
      PsiElement(Py:COLON)(':')
      PsiWhiteSpace(' ')
      PyReferenceExpression: case
        PsiElement(Py:IDENTIFIER)('case')