`TRequest`
pt		ContentRead
	ro	RequestID
		RouteParams
		ReturnedPathInfo
	ro	LocalPathPrefix
	ro	CommandLine
	ro	Command
		URI
		QueryString
	ro	HeaderLine
	ro	Files
		HandleGetOnPost
		IfMatch
		IfNoneMatch
		IfRange
		IfUnModifiedSince
		ContentRange
		TE
		Upgrade
		KeepFullContents

`THTTPHeader`
	ro	FieldCount
	ro	Fields
	ro	FieldNames
	ro	FieldValues
		Accept
		AcceptCharset
		AcceptEncoding
		AcceptLanguage
		Authorization
		Connection
		ContentEncoding
		ContentLanguage
		ContentLength
		ContentType
		Date
		Expires
		From
		Host
		IfModifiedSince
		LastModified
		Location
		Pragma
		Referer
		RetryAfter
		Server
		UserAgent
		Warning
		WWWAuthenticate
		Via
		HTTPAccept
		HTTPAcceptCharset
		HTTPAcceptEncoding
		HTTPIfModifiedSince
		HTTPReferer
		HTTPUserAgent
		Cookie
		SetCookie
		HTTPXRequestedWith
		HttpVersion
		ProtocolVersion
		PathInfo
		PathTranslated
		RemoteAddress
		RemoteAddr
		RemoteHost
		ScriptName
		ServerPort
		Method
		URL
		Query
		Content
		CookieFields
	ro	ContentFields
	ro	QueryFields
	ro	CustomHeaders