@Override
	public int hashCode() {
		final int prime = 31;
		int result = super.hashCode();
		Function function = getRemoteFunction();
		result = prime * result + ((function == null) ? 0 : function.hashCode());
		Address sourceAddress = getSourceAddress();
		result = prime * result + ((sourceAddress == null) ? 0 : sourceAddress.hashCode());
		return result;
	}
True allows this node to contains children with the same name

@param allowDuplicates true to allow duplicate nodes
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/decompiler/taint/slicetree/SliceNode.java