class Protocol::HTTP::Body::Readable

@returns [Hash] The body as a hash.

Convert the body to a hash suitable for serialization. This won't include the contents of the body, but will include metadata such as the length, streamability, and readiness, etc.

def as_json(...)
	{
		class: self.class.name,
		length: self.length,
		stream: self.stream?,
		ready: self.ready?,
		empty: self.empty?
	}
end