List<UExpression> (UExpression expression, boolean allowStringModifications) { UExpression passThrough = StringFlowUtil.goUp(expression, allowStringModifications, NlsInfo.factory()); ULocalVariable uVar = getVariableToSearch(passThrough); if (uVar != null && NlsInfo.fromUVariable(uVar).getNlsStatus() == ThreeState.UNSURE) { List<UExpression> usages = findUsages(passThrough, uVar); if (usages != null) return usages; } return Collections.singletonList(passThrough); }