/**

     * List of methods with no arguments that were public prior to Moodle 2.6.

     *

     * They can still be accessed publicly via magic __call() function with no warnings

     * but are not listed in the class methods list.

     * For the consistency of the code it is better to use corresponding properties.

     *

     * These methods be deprecated completely in later versions.

     *

     * @var array $standardmethods

     */

    private static $standardmethods = array(

        // Following methods are not recommended to use because there have associated read-only properties.

        'get_url',

        'get_content',

        'get_extra_classes',

        'get_on_click',

        'get_custom_data',

        'get_after_link',

        'get_after_edit_icons',

        // Method obtain_dynamic_data() should not be called from outside of this class but it was public before Moodle 2.6.

        'obtain_dynamic_data',

    );