code: public void delete(String vaultName, String resourceGroupName, String fabricName, String containerName, String protectedItemName) {
          deleteWithServiceResponseAsync(vaultName, resourceGroupName, fabricName, containerName, protectedItemName).toBlocking().single().body();
      }
docs: Used to disable backup of an item within a container. This is an asynchronous operation. To know the status of the request, call the GetItemOperationResult API.
  
  @param vaultName The name of the recovery services vault.
  @param resourceGroupName The name of the resource group where the recovery services vault is present.
  @param fabricName Fabric name associated with the backed up item.
  @param containerName Container name associated with the backed up item.
  @param protectedItemName Backed up item to be deleted.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent