Add overloads for URL parameter functions

Author: mrhx01

stubs/Authlib/authlib/common/urls.pyi

@@ -1,5 +1,5 @@
 from re import Pattern
-from typing import Final, TypeAlias
+from typing import Final, TypeAlias, overload
 
 always_safe: Final[str]
 urlencoded: Final[set[str]]
@@ -9,10 +9,20 @@ _ExplodedQueryString: TypeAlias = list[tuple[str, str]]
 
 def url_encode(params: _ExplodedQueryString) -> str: ...
 def url_decode(query: str) -> _ExplodedQueryString: ...
+@overload
 def add_params_to_qs(query: str, params: _ExplodedQueryString) -> str: ...
+@overload
+def add_params_to_qs(query: str, params: dict[str, str]) -> str: ...
 def add_params_to_uri(uri: str, params: _ExplodedQueryString, fragment: bool = False) -> str: ...
 def quote(s: str, safe: bytes = b"/") -> str: ...
 def unquote(s: str | bytes) -> str: ...
 def quote_url(s: str) -> str: ...
-def extract_params(raw: dict[str, str] | _ExplodedQueryString) -> _ExplodedQueryString: ...
+@overload
+def extract_params(raw: None) -> None: ...
+@overload
+def extract_params(raw: dict[str, str]) -> _ExplodedQueryString: ...
+@overload
+def extract_params(raw: _ExplodedQueryString) -> _ExplodedQueryString: ...
+@overload
+def extract_params(raw: str) -> _ExplodedQueryString | None: ...
 def is_valid_url(url: str, fragments_allowed: bool = True) -> bool: ...