static FixedKeyRecordNode createRecordNode(NodeMgr nodeMgr) throws IOException {
		Schema schema = nodeMgr.getTableSchema();
		FixedKeyRecordNode node = null;
		if (schema.isVariableLength()) {
			node = new FixedKeyVarRecNode(nodeMgr, -1, -1);
		}
		else {
			node = new FixedKeyFixedRecNode(nodeMgr, -1, -1);
		}
		return node;
	}
Create a new record node with no siblings attached.
@param nodeMgr table node manager instance
@return new record leaf node
@throws IOException thrown if IO error occurs
Ghidra/Framework/DB/src/main/java/db/FixedKeyRecordNode.java