Add missing attributes to json/decoder.pyi JSONDecoder

stdlib/json/decoder.pyi

@@ -1,5 +1,7 @@
 import sys
+from _typeshed import Incomplete
 from collections.abc import Callable
+from re import Match
 from typing import Any
 
 __all__ = ["JSONDecoder", "JSONDecodeError"]
@@ -12,6 +14,34 @@ class JSONDecodeError(ValueError):
     colno: int
     def __init__(self, msg: str, doc: str, pos: int) -> None: ...
 
+def JSONObject(
+    s_and_end: tuple[str, int],
+    strict: bool,
+    scan_once: Callable[[str, int], tuple[Any, int]],
+    object_hook: Callable[[dict[str, Any]], Any] | None,
+    object_pairs_hook: Callable[[list[tuple[str, Any]]], Any] | None,
+    memo: dict[str, str] | None = None,
+    _w: Callable[[str, int], Match[str] | None] = ...,
+    _ws: str = ...,
+) -> tuple[Any, int]: ...
+
+if sys.version_info >= (3, 15):
+    def JSONArray(
+        s_and_end: tuple[str, int],
+        scan_once: Callable[[str, int], tuple[Any, int]],
+        array_hook: Callable[[list[Any]], Any] | None,
+        _w: Callable[[str, int], Match[str] | None] = ...,
+        _ws: str = ...,
+    ) -> tuple[Any, int]: ...
+
+else:
+    def JSONArray(
+        s_and_end: tuple[str, int],
+        scan_once: Callable[[str, int], tuple[Any, int]],
+        _w: Callable[[str, int], Match[str] | None] = ...,
+        _ws: str = ...,
+    ) -> tuple[list[Any], int]: ...
+
 class JSONDecoder:
     if sys.version_info >= (3, 15):
         array_hook: Callable[[list[Any]], Any] | None
@@ -21,6 +51,10 @@ class JSONDecoder:
     parse_constant: Callable[[str], Any]
     strict: bool
     object_pairs_hook: Callable[[list[tuple[str, Any]]], Any]
+    parse_object: Callable[..., Incomplete]
+    parse_array: Callable[..., Incomplete]
+    parse_string: Callable[..., Incomplete]
+    memo: dict[str, str]
     if sys.version_info >= (3, 15):
         def __init__(
             self,