syntax = "proto3";

package frost.fs.lock;

import "refs/types.proto";

// Lock objects protects a list of objects from being deleted. The lifetime of a
// lock object is limited similar to regular objects in
// `__SYSTEM__EXPIRATION_EPOCH`
// attribute. Lock object MUST have expiration epoch. It is impossible to delete
// a lock object via ObjectService.Delete RPC call.
message Lock {
  // List of objects to lock. Must not be empty or carry empty IDs.
  // All members must be of the `REGULAR` type.
  repeated frost.fs.refs.ObjectID members = 1 [ json_name = "members" ];
}