How to use the blacksheep.server.responses.text function in blacksheep

async def index(self, request: Request):
            return text(self.greet())

        def get_cat(self, cat_id: str): return text('5')

async def index(self, request: Request, user: Optional[User]):
            assert hasattr(request, 'identity')
            assert isinstance(request.identity, User)
            return text(request.identity.name)

        def update_cat(self): return text('2')

async def echo_chunked_text(request):
    text_from_client = await request.text()
    return text(text_from_client)

def alive(self):
            return text('Good')

async def set_cookies(name: FromQuery(str), value: FromQuery(str)):
    response = text('Setting cookie')
    response.set_cookie(Cookie(name.encode(), value.encode()))
    return response

        def create_cat(self): return text('3')

        def get_cat(self, cat_id: str): return text('1')

def text(self, value: str, status: int = 200) -> Response:
        """Returns a response with text/plain content, and given status (default HTTP 200 OK)."""
        return text(value, status)