diff --git a/stubs/requests/requests/adapters.pyi b/stubs/requests/requests/adapters.pyi
index 4e540e94fa13..2f8e4d75cd97 100644
--- a/stubs/requests/requests/adapters.pyi
+++ b/stubs/requests/requests/adapters.pyi
@@ -1,7 +1,10 @@
 from _typeshed import Incomplete
 from collections.abc import Mapping
-from typing_extensions import deprecated
+from ssl import SSLContext
+from typing import Literal, TypedDict
+from typing_extensions import NotRequired, deprecated
 
+import urllib3
 from urllib3.connectionpool import ConnectionPool
 from urllib3.contrib.socks import SOCKSProxyManager as SOCKSProxyManager
 from urllib3.exceptions import (
@@ -34,6 +37,20 @@ from .utils import (
     urldefragauth as urldefragauth,
 )
 
+# Arguments to urllib3 connection_from_host() functions (except pool_kwargs).
+class _HostParams(TypedDict):
+    host: str
+    scheme: str
+    port: int
+
+class _PoolKwargs(TypedDict):
+    ssl_context: NotRequired[SSLContext]
+    ca_certs: NotRequired[str]
+    ca_cert_dir: NotRequired[str]
+    cert_reqs: Literal["CERT_REQUIRED", "CERT_NONE"]
+    cert_file: NotRequired[str]
+    key_file: NotRequired[str]
+
 DEFAULT_POOLBLOCK: bool
 DEFAULT_POOLSIZE: int
 DEFAULT_RETRIES: int
@@ -64,7 +81,10 @@ class HTTPAdapter(BaseAdapter):
     def init_poolmanager(self, connections, maxsize, block=False, **pool_kwargs): ...
     def proxy_manager_for(self, proxy, **proxy_kwargs): ...
     def cert_verify(self, conn, url, verify, cert): ...
-    def build_response(self, req, resp): ...
+    def build_response(self, req: PreparedRequest, resp: urllib3.BaseHTTPResponse) -> Response: ...
+    def build_connection_pool_key_attributes(
+        self, request: PreparedRequest, verify: bool | str, cert: str | tuple[str, str] | None = None
+    ) -> tuple[_HostParams, _PoolKwargs]: ...
     def get_connection_with_tls_context(
         self,
         request: PreparedRequest,
diff --git a/stubs/requests/requests/models.pyi b/stubs/requests/requests/models.pyi
index d710de8e792d..7e1a2e2de540 100644
--- a/stubs/requests/requests/models.pyi
+++ b/stubs/requests/requests/models.pyi
@@ -1,5 +1,5 @@
 import datetime
-from _typeshed import Unused
+from _typeshed import Incomplete, Unused
 from collections.abc import Callable, Iterator
 from json import JSONDecoder
 from typing import Any
@@ -41,10 +41,10 @@ super_len = utils.super_len
 to_native_string = utils.to_native_string
 codes = status_codes.codes
 
-REDIRECT_STATI: Any
-DEFAULT_REDIRECT_LIMIT: Any
-CONTENT_CHUNK_SIZE: Any
-ITER_CHUNK_SIZE: Any
+REDIRECT_STATI: Incomplete
+DEFAULT_REDIRECT_LIMIT: Incomplete
+CONTENT_CHUNK_SIZE: Incomplete
+ITER_CHUNK_SIZE: Incomplete
 
 class RequestEncodingMixin:
     @property
@@ -55,16 +55,16 @@ class RequestHooksMixin:
     def deregister_hook(self, event, hook): ...
 
 class Request(RequestHooksMixin):
-    hooks: Any
-    method: Any
-    url: Any
-    headers: Any
-    files: Any
-    data: Any
-    json: Any
-    params: Any
-    auth: Any
-    cookies: Any
+    hooks: Incomplete
+    method: Incomplete
+    url: Incomplete
+    headers: Incomplete
+    files: Incomplete
+    data: Incomplete
+    json: Incomplete
+    params: Incomplete
+    auth: Incomplete
+    cookies: Incomplete
     def __init__(
         self,
         method=None,
@@ -85,7 +85,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
     url: str | None
     headers: CaseInsensitiveDict[str]
     body: bytes | str | None
-    hooks: Any
+    hooks: Incomplete
     def __init__(self) -> None: ...
     def prepare(
         self,
@@ -111,11 +111,11 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
     def prepare_hooks(self, hooks) -> None: ...
 
 class Response:
-    __attrs__: Any
+    __attrs__: Incomplete
     _content: bytes | None  # undocumented
     status_code: int
     headers: CaseInsensitiveDict[str]
-    raw: Any
+    raw: Incomplete
     url: str
     encoding: str | None
     history: list[Response]
@@ -139,10 +139,10 @@ class Response:
     def is_permanent_redirect(self) -> bool: ...
     @property
     def apparent_encoding(self) -> str: ...
-    def iter_content(self, chunk_size: int | None = 1, decode_unicode: bool = False) -> Iterator[Any]: ...
+    def iter_content(self, chunk_size: int | None = 1, decode_unicode: bool = False) -> Iterator[Incomplete]: ...
     def iter_lines(
         self, chunk_size: int | None = 512, decode_unicode: bool = False, delimiter: str | bytes | None = None
-    ) -> Iterator[Any]: ...
+    ) -> Iterator[Incomplete]: ...
     @property
     def content(self) -> bytes: ...
     @property
@@ -159,6 +159,6 @@ class Response:
         **kwds: Any,
     ) -> Any: ...
     @property
-    def links(self) -> dict[Any, Any]: ...
+    def links(self) -> dict[Incomplete, Incomplete]: ...
     def raise_for_status(self) -> None: ...
     def close(self) -> None: ...