Represents content which can be acquired by downloading from a remote server via HTTP(S) in chunks. Each chunk is then pulled away by the Encoder, which is iterated by the Stream.

The underlying implementation is achieved via Req/Finch, which uses Mint. As a result, the options supported by Req.new/1 can generally be used, with the following exceptions:

• :into is used by the Source to read data, so it is always overridden;

• :raw is always overridden to true;

• :url and :method are, by default, generated based on the existing target; the method is GET by default, however you can change the method if you specify it as an option.