slot0 = require("socket")
slot0.headers = {}
slot1 = slot0.headers
slot1.canonic = {
	["last-attempt-date"] = "Last-Attempt-Date",
	received = "Received",
	["mime-version"] = "MIME-Version",
	location = "Location",
	accept = "Accept",
	bcc = "Bcc",
	["remote-mta"] = "Remote-MTA",
	pragma = "Pragma",
	referer = "Referer",
	cookie = "Cookie",
	["original-envelope-id"] = "Original-Envelope-ID",
	["retry-after"] = "Retry-After",
	from = "From",
	authorization = "Authorization",
	["cache-control"] = "Cache-Control",
	["content-transfer-encoding"] = "Content-Transfer-Encoding",
	keywords = "Keywords",
	["return-path"] = "Return-Path",
	["content-location"] = "Content-Location",
	["if-modified-since"] = "If-Modified-Since",
	["smtp-remote-recipient"] = "SMTP-Remote-Recipient",
	["accept-encoding"] = "Accept-Encoding",
	["resent-from"] = "Resent-From",
	["resent-sender"] = "Resent-Sender",
	["max-forwards"] = "Max-Forwards",
	["content-description"] = "Content-Description",
	["resent-message-id"] = "Resent-Message-ID",
	["reporting-mta"] = "Reporting-MTA",
	expires = "Expires",
	["transfer-encoding"] = "Transfer-Encoding",
	references = "References",
	sender = "Sender",
	["content-encoding"] = "Content-Encoding",
	subject = "Subject",
	age = "Age",
	te = "TE",
	to = "To",
	["last-modified"] = "Last-Modified",
	["content-length"] = "Content-Length",
	cc = "Cc",
	["content-language"] = "Content-Language",
	["user-agent"] = "User-Agent",
	vary = "Vary",
	["arrival-date"] = "Arrival-Date",
	connection = "Connection",
	["content-disposition"] = "Content-Disposition",
	["content-range"] = "Content-Range",
	warning = "Warning",
	["will-retry-until"] = "Will-Retry-Until",
	["accept-charset"] = "Accept-Charset",
	["if-none-match"] = "If-None-Match",
	["x-mailer"] = "X-Mailer",
	upgrade = "Upgrade",
	trailer = "Trailer",
	["if-match"] = "If-Match",
	etag = "ETag",
	["www-authenticate"] = "WWW-Authenticate",
	date = "Date",
	["diagnostic-code"] = "Diagnostic-Code",
	["received-from-mta"] = "Received-From-MTA",
	status = "Status",
	["accept-language"] = "Accept-Language",
	["original-recipient"] = "Original-Recipient",
	comments = "Comments",
	range = "Range",
	expect = "Expect",
	["accept-ranges"] = "Accept-Ranges",
	["resent-bcc"] = "Resent-Bcc",
	["message-id"] = "Message-ID",
	["if-unmodified-since"] = "If-Unmodified-Since",
	["content-id"] = "Content-ID",
	["resent-reply-to"] = "Resent-Reply-To",
	["content-md5"] = "Content-MD5",
	["reply-to"] = "Reply-To",
	["if-range"] = "If-Range",
	["dsn-gateway"] = "DSN-Gateway",
	via = "Via",
	allow = "Allow",
	["resent-date"] = "Resent-Date",
	["final-recipient"] = "Final-Recipient",
	["content-type"] = "Content-Type",
	action = "Action",
	["proxy-authenticate"] = "Proxy-Authenticate",
	["in-reply-to"] = "In-Reply-To",
	["resent-cc"] = "Resent-Cc",
	host = "Host",
	["proxy-authorization"] = "Proxy-Authorization",
	["alternate-recipient"] = "Alternate-Recipient",
	["resent-to"] = "Resent-To",
	["final-log-id"] = "Final-Log-ID",
	server = "Server"
}

return slot1
