- public static Optional<NormalizedNode<?,?>> aggregate(final YangInstanceIdentifier rootIdentifier,
- final List<Optional<NormalizedNode<?, ?>>> nodes, final EffectiveModelContext schemaContext,
+ public static Optional<NormalizedNode> aggregate(final YangInstanceIdentifier rootIdentifier,
+ final List<Optional<NormalizedNode>> nodes, final EffectiveModelContext schemaContext,