class AbstractStandardAssertionTagProcessor extends AbstractAttributeTagProcessor {



    protected AbstractStandardAssertionTagProcessor(
            final TemplateMode templateMode, final String dialectPrefix, final String attrName, final int precedence) {
        super(templateMode, dialectPrefix, null, false, attrName, true, precedence, true);
    }



    @Override
    protected final void doProcess(
            final ITemplateContext context,
            final IProcessableElementTag tag,
            final AttributeName attributeName, final String attributeValue,
            final IElementTagStructureHandler structureHandler) {<FILL_FUNCTION_BODY>}


}


        if (StringUtils.isEmptyOrWhitespace(attributeValue)) {
            return;
        }

        final ExpressionSequence expressionSequence =
                ExpressionSequenceUtils.parseExpressionSequence(context, attributeValue);

        final List<IStandardExpression> expressions = expressionSequence.getExpressions();

        for (final IStandardExpression expression : expressions) {
            final Object expressionResult = expression.execute(context);
            final boolean expressionBooleanResult = EvaluationUtils.evaluateAsBoolean(expressionResult);
            if (!expressionBooleanResult) {
                throw new TemplateAssertionException(
                        expression.getStringRepresentation(), tag.getTemplateName(),
                        tag.getAttribute(attributeName).getLine(), tag.getAttribute(attributeName).getCol());
            }
        }

    
<methods><variables>private final non-sealed boolean removeAttribute