+ protected $modes = array();
+
+ /**
+ * Stores the value returned by ->get_column_info()
+ *
+ * @var array
+ */
+ protected $_column_headers;
+
+ protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );
+
+ protected $compat_methods = array( 'set_pagination_args', 'get_views', 'get_bulk_actions', 'bulk_actions',
+ 'row_actions', 'months_dropdown', 'view_switcher', 'comments_bubble', 'get_items_per_page', 'pagination',
+ 'get_sortable_columns', 'get_column_info', 'get_table_classes', 'display_tablenav', 'extra_tablenav',
+ 'single_row_columns' );
+
+ /**
+ * Constructor.
+ *
+ * The child class should call this constructor from its own constructor to override
+ * the default $args.
+ *
+ * @since 3.1.0
+ * @access public
+ *
+ * @param array|string $args {
+ * Array or string of arguments.
+ *
+ * @type string $plural Plural value used for labels and the objects being listed.
+ * This affects things such as CSS class-names and nonces used
+ * in the list table, e.g. 'posts'. Default empty.
+ * @type string $singular Singular label for an object being listed, e.g. 'post'.
+ * Default empty
+ * @type bool $ajax Whether the list table supports AJAX. This includes loading
+ * and sorting data, for example. If true, the class will call
+ * the {@see _js_vars()} method in the footer to provide variables
+ * to any scripts handling AJAX events. Default false.
+ * @type string $screen String containing the hook name used to determine the current
+ * screen. If left null, the current screen will be automatically set.
+ * Default null.
+ * }
+ */
+ public function __construct( $args = array() ) {