code: def validate_encryption_services(cmd, namespace):
      
      if namespace.encryption_services:
          t_encryption_services, t_encryption_service = get_sdk(cmd.cli_ctx, CUSTOM_MGMT_STORAGE,
                                                                'EncryptionServices', 'EncryptionService', mod='models')
          services = {service: t_encryption_service(enabled=True) for service in namespace.encryption_services}
  
          namespace.encryption_services = t_encryption_services(**services)
docs: Builds up the encryption services object for storage account operations based on the list of services passed in.