How can i extract FMeshDescription from UStaticMesh and save as a file?

I want to extract FMeshDescription from UStaticMesh, and in my packaged game i need to use this MD to create a new UStaticMesh. So, how can i do for save the FMeshDescription as a file?

or anyway to , basically i need to use original mesh’s information ,change it and create a new mesh from it