how to customize the swagger UI/OpenApi in spring boot 3 without make my controller look clumsy

Question

I would like to customize the swaggerUI with some custom messages. And i am able to create custom messages as below

@ApiOperation(value    = "Add a new car to the inventory", 
                nickname = "addCar", 
                response = String.class, 
                responseContainer = "String")
  @ApiResponses(value = {
                  @ApiResponse(code = 200, message = "Car Added Successfully", 
                               response = String.class, responseContainer = "String"),
                  @ApiResponse(code = 405, message = "Invalid input") })

But it makes my controller looks really clumsy. Is there any way to customize it without make the controller so noisy.

Thanks