diff --git a/CHANGES.rst b/CHANGES.rst
index 030f742a..dbcc0667 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,8 @@ Unreleased
 -   Re-add the ``filename`` parameter in ``send_from_directory``. The
     ``filename`` parameter has been renamed to ``path``, the old name
     is deprecated. :pr:`4019`
+-   Mark top-level names as exported so type checking understands
+    imports in user projects. :issue:`4024`
 
 
 Version 2.0.0
diff --git a/src/flask/__init__.py b/src/flask/__init__.py
index b53cf10f..008e1a81 100644
--- a/src/flask/__init__.py
+++ b/src/flask/__init__.py
@@ -1,46 +1,46 @@
 from markupsafe import escape
 from markupsafe import Markup
-from werkzeug.exceptions import abort
-from werkzeug.utils import redirect
+from werkzeug.exceptions import abort as abort
+from werkzeug.utils import redirect as redirect
 
-from . import json
-from .app import Flask
-from .app import Request
-from .app import Response
-from .blueprints import Blueprint
-from .config import Config
-from .ctx import after_this_request
-from .ctx import copy_current_request_context
-from .ctx import has_app_context
-from .ctx import has_request_context
-from .globals import _app_ctx_stack
-from .globals import _request_ctx_stack
-from .globals import current_app
-from .globals import g
-from .globals import request
-from .globals import session
-from .helpers import flash
-from .helpers import get_flashed_messages
-from .helpers import get_template_attribute
-from .helpers import make_response
-from .helpers import safe_join
-from .helpers import send_file
-from .helpers import send_from_directory
-from .helpers import stream_with_context
-from .helpers import url_for
-from .json import jsonify
-from .signals import appcontext_popped
-from .signals import appcontext_pushed
-from .signals import appcontext_tearing_down
-from .signals import before_render_template
-from .signals import got_request_exception
-from .signals import message_flashed
-from .signals import request_finished
-from .signals import request_started
-from .signals import request_tearing_down
-from .signals import signals_available
-from .signals import template_rendered
-from .templating import render_template
-from .templating import render_template_string
+from . import json as json
+from .app import Flask as Flask
+from .app import Request as Request
+from .app import Response as Response
+from .blueprints import Blueprint as Blueprint
+from .config import Config as Config
+from .ctx import after_this_request as after_this_request
+from .ctx import copy_current_request_context as copy_current_request_context
+from .ctx import has_app_context as has_app_context
+from .ctx import has_request_context as has_request_context
+from .globals import _app_ctx_stack as _app_ctx_stack
+from .globals import _request_ctx_stack as _request_ctx_stack
+from .globals import current_app as current_app
+from .globals import g as g
+from .globals import request as request
+from .globals import session as session
+from .helpers import flash as flash
+from .helpers import get_flashed_messages as get_flashed_messages
+from .helpers import get_template_attribute as get_template_attribute
+from .helpers import make_response as make_response
+from .helpers import safe_join as safe_join
+from .helpers import send_file as send_file
+from .helpers import send_from_directory as send_from_directory
+from .helpers import stream_with_context as stream_with_context
+from .helpers import url_for as url_for
+from .json import jsonify as jsonify
+from .signals import appcontext_popped as appcontext_popped
+from .signals import appcontext_pushed as appcontext_pushed
+from .signals import appcontext_tearing_down as appcontext_tearing_down
+from .signals import before_render_template as before_render_template
+from .signals import got_request_exception as got_request_exception
+from .signals import message_flashed as message_flashed
+from .signals import request_finished as request_finished
+from .signals import request_started as request_started
+from .signals import request_tearing_down as request_tearing_down
+from .signals import signals_available as signals_available
+from .signals import template_rendered as template_rendered
+from .templating import render_template as render_template
+from .templating import render_template_string as render_template_string
 
 __version__ = "2.0.1.dev0"