silverstripe-framework/admin/templates/ModelSidebar.ss

<h3><% _t('ModelSidebar.ss.SEARCHLISTINGS','Search') %></h3>
$SearchForm

<% if $ImportForm %>
	<h3><% _t('ModelSidebar.ss.IMPORT_TAB_HEADER', 'Import') %></h3>
	$ImportForm
<% end_if %>