if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;
if (stringBinding == null || !stringBinding.isConstant()) { return null;