def begin_update(resource_group_name, snapshot_name, snapshot, custom_headers:nil)
      response = begin_update_async(resource_group_name, snapshot_name, snapshot, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_update(resource_group_name, snapshot_name, snapshot, custom_headers:nil)
      response = begin_update_async(resource_group_name, snapshot_name, snapshot, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Updates (patches) a snapshot.

 @param resource_group_name [String] The name of the resource group.
 @param snapshot_name [String] The name of the snapshot that is being created.
 The name can't be changed after the snapshot is created. Supported characters
 for the name are a-z, A-Z, 0-9 and _. The max name length is 80 characters.
 @param snapshot [SnapshotUpdate] Snapshot object supplied in the body of the
 Patch snapshot operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Snapshot] operation results.