Source

File: wp-admin/includes/class-wp-posts-list-table.php

);

			$status_links[ $status_name ] = $this->get_edit_link( $status_args, $status_label, $class );
		}

		if ( ! empty( $this->sticky_posts_count ) ) {
			$class = ! empty( $_REQUEST['show_sticky'] ) ? 'current' : '';