@Override
	public VarKeyRecordNode getLeftmostLeafNode() throws IOException {
		VarKeyRecordNode leaf = getPreviousLeaf();
		return leaf != null ? leaf.getLeftmostLeafNode() : this;
	}
Construct a new variable-length-key record leaf node with no siblings.
@param nodeMgr table node manager.
@param keyType key Field type
@throws IOException thrown if IO error occurs
Ghidra/Framework/DB/src/main/java/db/VarKeyRecordNode.java