Algolia WordPress customize autocomplete header labels for use with translation plugin

customize-algolia-autocomplete-labels.php

<?php

add_filter( 'algolia_autocomplete_config', function ( $config ) {
    // echo '<pre>';
    // var_dump( $config );
    // echo '</pre>';

    foreach ( $config as &$index ) {
        // Adjust and adapt according to your needs.
        if ( $index['index_id'] === 'posts_post' ) {
            $index['label'] = 'Custom translated label';
        }
    }
    return $config;
} );