--- /dev/null
+UNICODE_ASCII_CHARACTER_SET: str
+
+def filter_params(target): ...
+def filter_oauth_params(params): ...
+def escape(u): ...
+def unescape(u): ...
+def parse_keqv_list(l): ...
+def parse_http_list(u): ...
+def parse_authorization_header(authorization_header): ...