docs: function ObjectInstance(
        parent, id, category, name, creationTs, opt_baseTypeName) {
      tr.model.Event.call(this);
      this.parent = parent;
      this.id = id;
      this.category = category;
      this.baseTypeName = opt_baseTypeName ? opt_baseTypeName : name;
      this.name = name;
      this.creationTs = creationTs;
      this.creationTsWasExplicit = false;
      this.deletionTs = Number.MAX_VALUE;
      this.deletionTsWasExplicit = false;
      this.colorId = 0;
      this.bounds = new tr.b.Range();
      this.snapshots = [];
      this.hasImplicitSnapshots = false;
    }