code: public ServiceFuture<List<ProtectionContainerResourceInner>> listAsync(String vaultName, String resourceGroupName, String filter, final ServiceCallback<List<ProtectionContainerResourceInner>> serviceCallback) {
          return ServiceFuture.fromResponse(listWithServiceResponseAsync(vaultName, resourceGroupName, filter), serviceCallback);
      }
docs: Lists the containers registered to the Recovery Services vault.
  
  @param vaultName The name of the Recovery Services vault.
  @param resourceGroupName The name of the resource group associated with the Recovery Services vault.
  @param filter The following equation is used to sort or filter the containers registered to the vault. providerType eq {AzureIaasVM, MAB, DPM, AzureBackupServer, AzureSql} and status eq {Unknown, NotRegistered, Registered, Registering} and friendlyName eq {containername} and backupManagementType eq {AzureIaasVM, MAB, DPM, AzureBackupServer, AzureSql}.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object