main

<?php

​

if ( ! defined( 'ABSPATH' ) ) {

    exit; // Exit if accessed directly

}

​

interface PR_DHL_API_Label {

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    public function get_dhl_label( $args );

​

    public function delete_dhl_label( $args );

​

    public function dhl_test_connection( $client_id, $client_secret );

​

    public function dhl_validate_field( $key, $value );

}