diff --git a/falcon/testing/client.py b/falcon/testing/client.py
index fce0f4d0a..87e91a9c5 100644
--- a/falcon/testing/client.py
+++ b/falcon/testing/client.py
@@ -451,7 +451,7 @@ def simulate_request(
     cookies=None,
     asgi_chunk_size=4096,
     asgi_disconnect_ttl=300,
-) -> _ResultBase:
+) -> Result:
 
     """Simulate a request to a WSGI or ASGI application.
 
@@ -1038,7 +1038,7 @@ async def __aexit__(self, ex_type, ex, tb):
 
         return True
 
-    async def simulate_get(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_get(self, path='/', **kwargs) -> Result:
         """Simulate a GET request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_get`)
@@ -1107,49 +1107,49 @@ def simulate_ws(self, path='/', **kwargs):
 
         return _WSContextManager(ws, task_req)
 
-    async def simulate_head(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_head(self, path='/', **kwargs) -> Result:
         """Simulate a HEAD request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_head`)
         """
         return await self.simulate_request('HEAD', path, **kwargs)
 
-    async def simulate_post(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_post(self, path='/', **kwargs) -> Result:
         """Simulate a POST request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_post`)
         """
         return await self.simulate_request('POST', path, **kwargs)
 
-    async def simulate_put(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_put(self, path='/', **kwargs) -> Result:
         """Simulate a PUT request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_put`)
         """
         return await self.simulate_request('PUT', path, **kwargs)
 
-    async def simulate_options(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_options(self, path='/', **kwargs) -> Result:
         """Simulate an OPTIONS request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_options`)
         """
         return await self.simulate_request('OPTIONS', path, **kwargs)
 
-    async def simulate_patch(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_patch(self, path='/', **kwargs) -> Result:
         """Simulate a PATCH request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_patch`)
         """
         return await self.simulate_request('PATCH', path, **kwargs)
 
-    async def simulate_delete(self, path='/', **kwargs) -> _ResultBase:
+    async def simulate_delete(self, path='/', **kwargs) -> Result:
         """Simulate a DELETE request to an ASGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_delete`)
         """
         return await self.simulate_request('DELETE', path, **kwargs)
 
-    async def simulate_request(self, *args, **kwargs) -> _ResultBase:
+    async def simulate_request(self, *args, **kwargs) -> Result:
         """Simulate a request to an ASGI application.
 
         Wraps :py:meth:`falcon.testing.simulate_request` to perform a
@@ -1185,7 +1185,7 @@ async def simulate_request(self, *args, **kwargs) -> _ResultBase:
     websocket = _simulate_method_alias(simulate_ws, replace_name='websocket')
 
 
-def simulate_get(app, path, **kwargs) -> _ResultBase:
+def simulate_get(app, path, **kwargs) -> Result:
     """Simulate a GET request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1288,7 +1288,7 @@ def simulate_get(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'GET', path, **kwargs)
 
 
-def simulate_head(app, path, **kwargs) -> _ResultBase:
+def simulate_head(app, path, **kwargs) -> Result:
     """Simulate a HEAD request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1385,7 +1385,7 @@ def simulate_head(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'HEAD', path, **kwargs)
 
 
-def simulate_post(app, path, **kwargs) -> _ResultBase:
+def simulate_post(app, path, **kwargs) -> Result:
     """Simulate a POST request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1496,7 +1496,7 @@ def simulate_post(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'POST', path, **kwargs)
 
 
-def simulate_put(app, path, **kwargs) -> _ResultBase:
+def simulate_put(app, path, **kwargs) -> Result:
     """Simulate a PUT request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1607,7 +1607,7 @@ def simulate_put(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'PUT', path, **kwargs)
 
 
-def simulate_options(app, path, **kwargs) -> _ResultBase:
+def simulate_options(app, path, **kwargs) -> Result:
     """Simulate an OPTIONS request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1696,7 +1696,7 @@ def simulate_options(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'OPTIONS', path, **kwargs)
 
 
-def simulate_patch(app, path, **kwargs) -> _ResultBase:
+def simulate_patch(app, path, **kwargs) -> Result:
     """Simulate a PATCH request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -1802,7 +1802,7 @@ def simulate_patch(app, path, **kwargs) -> _ResultBase:
     return simulate_request(app, 'PATCH', path, **kwargs)
 
 
-def simulate_delete(app, path, **kwargs) -> _ResultBase:
+def simulate_delete(app, path, **kwargs) -> Result:
     """Simulate a DELETE request to a WSGI or ASGI application.
 
     Equivalent to::
@@ -2002,56 +2002,56 @@ async def __aexit__(self, ex_type, ex, tb):
 
         return result
 
-    def simulate_get(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_get(self, path='/', **kwargs) -> Result:
         """Simulate a GET request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_get`)
         """
         return self.simulate_request('GET', path, **kwargs)
 
-    def simulate_head(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_head(self, path='/', **kwargs) -> Result:
         """Simulate a HEAD request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_head`)
         """
         return self.simulate_request('HEAD', path, **kwargs)
 
-    def simulate_post(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_post(self, path='/', **kwargs) -> Result:
         """Simulate a POST request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_post`)
         """
         return self.simulate_request('POST', path, **kwargs)
 
-    def simulate_put(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_put(self, path='/', **kwargs) -> Result:
         """Simulate a PUT request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_put`)
         """
         return self.simulate_request('PUT', path, **kwargs)
 
-    def simulate_options(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_options(self, path='/', **kwargs) -> Result:
         """Simulate an OPTIONS request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_options`)
         """
         return self.simulate_request('OPTIONS', path, **kwargs)
 
-    def simulate_patch(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_patch(self, path='/', **kwargs) -> Result:
         """Simulate a PATCH request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_patch`)
         """
         return self.simulate_request('PATCH', path, **kwargs)
 
-    def simulate_delete(self, path='/', **kwargs) -> _ResultBase:
+    def simulate_delete(self, path='/', **kwargs) -> Result:
         """Simulate a DELETE request to a WSGI application.
 
         (See also: :py:meth:`falcon.testing.simulate_delete`)
         """
         return self.simulate_request('DELETE', path, **kwargs)
 
-    def simulate_request(self, *args, **kwargs) -> _ResultBase:
+    def simulate_request(self, *args, **kwargs) -> Result:
         """Simulate a request to a WSGI application.
 
         Wraps :py:meth:`falcon.testing.simulate_request` to perform a