@NotNull
    private static PsiExpression mergeConditions(@NotNull Check c1, @NotNull Check c2, @NotNull String operator) {
      PsiExpression cond1 = c1.myCondition;
      PsiExpression cond2 = c2.myCondition;
      PsiElementFactory factory = PsiElementFactory.getInstance(cond1.getProject());
      return factory.createExpressionFromText(ParenthesesUtils.getText(cond1, ParenthesesUtils.OR_PRECEDENCE) +
                                              operator +
                                              ParenthesesUtils.getText(cond2, ParenthesesUtils.OR_PRECEDENCE), cond1);
    }
@NotNull
    private static PsiExpression mergeConditions(@NotNull Check c1, @NotNull Check c2, @NotNull String operator)