NOTE: For Version 3 of the AWS SDK for PHP, please see the V3 User Guide and V3 API Reference.

# Namespace Guzzle\Http\Message\Header

## Classes summary

CacheControl | Provides helpful functionality for Cache-Control headers
HeaderCollection | Provides a case-insensitive collection of headers
HeaderFactory | Default header factory implementation
Link | Provides helpful functionality for link headers

## Interfaces summary

HeaderFactoryInterface | Interface for creating headers
HeaderInterface | An object that can be represented as an array