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* POSSIBILITY OF SUCH DAMAGE.
*/
#import <ObjFW/ObjFW.h>
OF_ASSUME_NONNULL_BEGIN
/**
* @brief A block which will be treated as a single transaction for the storage.
*
* @return Whether the transaction should be committed (`true`) or rolled back
* (`false`).
*/
typedef bool (^mtx_storage_transaction_block_t)(void);
/**
* @brief A protocol for a storage to be used by @ref MTXClient.
*/
@protocol MTXStorage <OFObject>
/**
* @brief Performs all operations inside the block as a transaction.
*/
- (void)transactionWithBlock: (mtx_storage_transaction_block_t)block;
/**
* @brief Stores the next batch for the specified device.
*
* @param nextBatch The next batch for the device
* @param deviceID The device for which to store the next batch
*/
- (void)setNextBatch: (OFString *)nextBatch
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