syntax = "proto3";
package tree;
option go_package = "treepb";

message TreeHeader {
  string firstChangeId = 1;
  bool isWorkspace = 2;
  TreeType type = 3;
  string aclTreeId = 4;
  // TODO: add user identity, signature and nano timestamp

  enum TreeType {
    ACLTree = 0;
    DocTree = 1;
  }
}