public function init() {
		add_filter( 'manage_edit-' . $this->post_type . '_columns', [ $this, 'columns' ] );
		add_filter( 'manage_edit-' . $this->post_type . '_sortable_columns', [ $this, 'columns_sortable' ] );
		add_action( 'manage_' . $this->post_type . '_posts_custom_column', [
			$this,
			'column_content',
		], 10, 2 );
	}