      class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_valid">
        valid()
        <a href="classes/LINE-Clients-MessagingApi-Model-DiscountFixedPriceInfoRequest.html#method_valid" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/clients/messag