private function insert_default_terms() {
		global $wpdb;

		// Default category
		$cat_name = __( 'Uncategorized' );

		/* translators: Default category slug */
		$cat_slug = sanitize_title( _x( 'Uncategorized', 'Default category slug' ) );

		if ( global_terms_enabled() ) {
			$cat_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM {$wpdb->sitecategories} WHERE category_nicename = %s", $cat_slug ) );
			if ( null === $cat_id ) {
				$wpdb->insert(
					$wpdb->sitecategories,
					[
						'cat_ID'            => 0,
						'cat_name'          => $cat_name,
						'category_nicename' => $cat_slug,
						'last_updated'      => current_time(
							'mysql',
							true
						),
					]
				);
				$cat_id = $wpdb->insert_id;
			}
			update_option( 'default_category', $cat_id );
		} else {
			$cat_id = 1;
		}

		$wpdb->insert(
			$wpdb->terms,
			[
				'term_id'    => $cat_id,
				'name'       => $cat_name,
				'slug'       => $cat_slug,
				'term_group' => 0,
			]
		);
		$wpdb->insert(
			$wpdb->term_taxonomy,
			[
				'term_id'     => $cat_id,
				'taxonomy'    => 'category',
				'description' => '',
				'parent'      => 0,
				'count'       => 0,
			]
		);
	}