How to know if a big manifestiso is coming

There are two ways to know if a big Manifestinon is coming and that the manifestion will arrive in months to years I’ve manifested over 2000 things small things and big things for small things you won’t usually get any signs and it will just appear in a second to a few days if the manifestion is going to take months to years there’s a few ways that you will know your Manifestion is to come to pass