this.tree = requireNonNull(tree);
}
static @NonNull StandaloneFrontendHistory create(final String persistenceId, final ClientIdentifier clientId,
final ShardDataTree tree) {
return new StandaloneFrontendHistory(persistenceId, clientId, tree, ImmutableMap.of(),
this.tree = requireNonNull(tree);
}
static @NonNull StandaloneFrontendHistory create(final String persistenceId, final ClientIdentifier clientId,
final ShardDataTree tree) {
return new StandaloneFrontendHistory(persistenceId, clientId, tree, ImmutableMap.of(),