WP_Comments_List_Table::extra_tablenav

		}

		if ( in_array( $comment_status, array( 'trash', 'spam' ), true ) || ! EMPTY_TRASH_DAYS ) {
			$actions['delete'] = __( 'Delete permanently' );
		} else {
			$actions['trash'] = __( 'Move to Trash' );
		}

		return $actions;
	}

	/**
	 * @global string $comment_status
	 * @global string $comment_type
	 *
	 * @param string $which
	 */
	protected function extra_tablenav( $which ) {
		global $comment_status, $comment_type;
		static $has_items;

		if ( ! isset( $has_items ) ) {
			$has_items = $this->has_items();
		}
		echo '<div class="alignleft actions">';
		if ( 'top' === $which ) {
			ob_start();

			$this->comment_status_dropdown( $comment_type );
			/**
			 * Fires just before the Filter submit button for comment types.
			 *
			 * @since 3.5.0
			 */
			do_action( 'restrict_manage_comments' );

			$output = ob_get_clean();

			if ( ! empty( $output ) && $this->has_items() ) {
				echo $output;
				submit_button( esc_html__( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
			}
		}

		if ( ( 'spam' === $comment_status || 'trash' === $comment_status ) && current_user_can( 'moderate_comments' ) && $has_items ) {
			wp_nonce_field( 'bulk-destroy', '_destroy_nonce' );
			$title = ( 'spam' === $comment_status ) ? esc_attr__( 'Empty Spam' ) : esc_attr__( 'Empty Trash' );
			submit_button( $title, 'apply', 'delete_all', false );
		}
		/**
		 * Fires after the Filter submit button for comment types.
		 *
		 * @since 2.5.0
		 *
		 * @param string $comment_status The comment status name. Default 'All'.
		 */
		do_action( 'manage_comments_nav', $comment_status );
		echo '</div>';
	}

	/**