public Builder nodeFlags(final Set<NodeFlag> nodeFlags) {
            if (NullSafe.hasItems(nodeFlags)) {
                NodeFlag.validateFlags(nodeFlags);
                this.nodeFlags = EnumSet.copyOf(nodeFlags);
            } else {
                this.nodeFlags = null;
            }
            return this;
        }
Add multiple tags to the builder
stroom-core-shared/src/main/java/stroom/explorer/shared/ExplorerNode.java