@Override
	public SliceNode recreate() {
		return new InSliceNode(program, function, sourceAddress, filterDuplicates,
			filterDepth);
	}
These are nodes that are in the left tree and below the InSliceRootNode. That is a little deceptive; see below.

<p>
A location in the call tree that is ABOVE or has an in-path to base node (node of interest / root).
e.g., the top in-node is the program entry point in many cases.
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/decompiler/taint/slicetree/InSliceNode.java