(type (string (string_content) @python))

((assignment
   (type (identifier) @_type)
   (string (string_content) @python))
(#eq? @_type "TypeAlias"))

((assignment
   (type (string (string_content) @_type))
   (string (string_content) @python))
(#eq? @_type "TypeAlias"))

(class_definition (argument_list (subscript (string (string_content) @python))))

(((string (string_content) @python) @_str)
 (#match? @_str "^r.*$"))