were dropped from the list. Windowed
	 * imports must not reset the counter.
	 *
	 * @internal
	 * @since 11.0.0
	 * @return void
	 */
	public static function reset_failed_order_imports_overflow(): void {
		$failed = self::get_failed_order_imports();
		if ( 0 === $failed['overflow'] ) {
			return;
		}

		$failed['overflow'] = 0;
		if ( empty( $failed['ids'] ) ) {
			delete_option( self::FAILED_ORDER_IMPORTS_OPTION );
			return;
		}

		update_option( self::FAILED_ORDER_IMPORTS_OPTION, $failed, false );
	}

	/**
	 * Delete a batch of orders.
	 *
	 * @internal
	 * @param int $batch_size Number of items to delete.
	 * @return void
	 */
	public static function delete( $batch_size ) {
		global $wpdb;

		$order_ids = $wpdb->get_col(
			$wpdb->prepare(
				"SELECT order_id FROM {$wpdb->prefix}wc_order_stats ORDER BY order_id ASC LIMIT %d",
				$batch_size
			)
		);

		foreach ( $order_ids as $order_id ) {
			OrdersStatsDataStore::delete_order( $order_id );
		}
	}

	/**
	 * Check whether scheduled import is enabled.
	 *
	 * Checks the scheduled import option value.
	 *
	 * @internal
	 * @since 10.5.0 Introduced as a private method.
	 * @since 11.0.0 Made public.
	 * @return bool
	 */
	public static function is_scheduled_import_enabled(): bool {
		$value = get_option( self::SCHEDULED_IMPORT_OPTION, false );

		if ( false !== $value ) {
			return 'yes' === $value;
		}

		// Fall back to the legacy option (pre-10.5.0) which used inverted semantics:
		// 'yes' meant immediate import (= not scheduled), 'no' meant scheduled.
		$legacy_value = get_option( self::LEGACY_IMMEDIATE_IMPORT_OPTION, false );

		if ( false !== $legacy_value ) {
			return 'no' === $legacy_value;
		}

		// Neither option exists — use the default (not scheduled).
		return false;
	}
}