<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceContainer name="header-wrapper">
            <block class="Magento\Framework\View\Element\Template" name="top.search" as="topSearch" template="MageBig_AjaxSearch::form.mini.phtml" />
        </referenceContainer>
        <referenceBlock name="top.search">
            <block class="MageBig\AjaxSearch\Block\Autocomplete" name="magebig-search-autocomplete-wrapper" template="MageBig_AjaxSearch::autocomplete.phtml" after="-"/>
        </referenceBlock>
    </body>
</page>
