async with AsyncExitStack() as async_exit_stack:
                solved_result = await solve_dependencies(
                    request=request,
                    dependant=dependant,
                    body=body,
                    dependency_overrides_provider=dependency_overrides_provider,
                    async_exit_stack=async_exit_stack,
                )

        )

        self.user_middleware: List[Middleware] = (
            [] if middleware is None else list(middleware)
        )
        self.middleware_stack: Union[ASGIApp, None] = None
        self.setup()

    def openapi(self) -> Dict[str, Any]:
        """
        Generate the OpenAPI schema of the application. This is called by FastAPI
        internally.