This package requires:

- PHP 7.2.5 or higher
- A package that provides [PSR-7 HTTP message implementation](https://packagist.org/providers/psr/http-message-implementation)
- A package that provides [PSR-17 HTTP factory implementation](https://packagist.org/providers/psr/http-factory-implementation)
- A package that provides [PSR-18 HTTP client implementation](https://packagist.org/providers/psr/http-client-implementation)