Read(p []byte) (n int, err error)
	Close() error
}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set
	Writer  // includes methods of Writer in ReadWriter's method set
}
</pre>

<p>

### Internal

* ✏️ Update Pydantic links to dotenv support. PR [#10511](https://github.com/tiangolo/fastapi/pull/10511) by [@White-Mask](https://github.com/White-Mask).
* ✏️ Update links in `docs/en/docs/async.md` and `docs/zh/docs/async.md` to make them relative. PR [#10498](https://github.com/tiangolo/fastapi/pull/10498) by [@hasnatsajid](https://github.com/hasnatsajid).