private static boolean assignedVariablesInCondition(PsiInstanceOfExpression psiInstanceOfExpression) {
        List<PsiPatternVariable> variables = JavaPsiPatternUtil.getExposedPatternVariables(psiInstanceOfExpression);

        PsiElement upperLevel = getUpperLevelOfCondition(psiInstanceOfExpression);
        for (PsiPatternVariable variable : variables) {
          if (VariableAccessUtils.variableIsAssigned(variable, upperLevel)) {
            return true;
          }
        }

        PsiConditionalLoopStatement conditionalLoopStatement =
          PsiTreeUtil.getParentOfType(psiInstanceOfExpression, PsiConditionalLoopStatement.class);
        if (conditionalLoopStatement instanceof PsiForStatement forStatement) {
          PsiStatement update = forStatement.getUpdate();
          for (PsiPatternVariable variable : variables) {
            if (VariableAccessUtils.variableIsAssigned(variable, update)) {
              return true;
            }
          }
        }
        return false;
      }
private static boolean assignedVariablesInCondition(PsiInstanceOfExpression psiInstanceOfExpression)