Structure API has dependencies on a few open-source libraries that are transitively included in your project when you add a dependency on Structure API.
You don't need to explicitly add dependencies on these libraries.
Integers and HPPC
The open source library Integers provides collections of primitive types with
java.util-like interfaces. When working with
Forest, you will typically use
LongArray (an implementation of
It comes with another primitive type collection library, HPPC, which provides specific implementations of these collections.
See API Usage Samples to get the idea how to work with those interfaces.
Annotations library from JetBrains provides
@NotNull annotations, used throughout the API.