The PnP Core SDK is a modern .NET SDK designed to work for Microsoft 365. It provides a unified object model for working with SharePoint Online and Teams which is agnostic to the underlying API's being called
One writeable IFileProvider for .NET: read, write, append, list and sign links for files on the local disk, Azure Blob Storage, Amazon S3, MinIO, Google Cloud Storage, Box and SharePoint, with the same API and the same meaning on every store.