HttpMessage

abstract class HttpMessage : Closeable

Represents a base HTTP message type for request and response

val headers: HttpHeadersMap

request/response headers

close	`open fun close(): Unit` Release all memory resources hold by this message
release	`fun release(): Unit` Release all memory resources hold by this message

Request	`class Request : HttpMessage` Represents an HTTP request
Response	`class Response : HttpMessage` Represents an HTTP response