# Utilities

Miscellaneous API Shared between Client And Server.

- Abstract Base Classes
  - Abstract routing
  - Abstract Class Based Views
  - Abstract Cookie Jar
  - Abstract Access Logger
- Working with Multipart
  - Reading Multipart Responses
  - Sending Multipart Requests
  - Hacking Multipart
- Multipart reference
- Streaming API
  - Reading Methods
  - Asynchronous Iteration Support
  - Helpers
- Common data structures
  - FrozenList
  - ChainMapProxy
- WebSocket utilities