get Backup Storage
Retrieves the cloud storage adapter associated with the specified backup method.
This function delegates the request to the underlying MPC (Multi-Party Computation) service to obtain the appropriate cloud storage adapter based on the selected backup method.
Return
An instance of CloudStorageAdapter if a storage adapter is found for the given method, or null
if no adapter is configured or associated with the provided method.
Parameters
method
The backup method for which to retrieve the storage adapter. Must be one of the values defined in the BackupMethods enum.