void (@NotNull Project project, @NotNull PsiElement startElement, @NotNull ModPsiUpdater updater) { final PsiLiteralExpression expression = (PsiLiteralExpression)startElement; if (ExpressionUtils.isConversionToStringNecessary(expression, false)) { return; } final String charLiteral = PsiLiteralUtil.charLiteralString(expression); if (charLiteral == null) { return; } PsiReplacementUtil.replaceExpression(expression, charLiteral); }