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# frozen_string_literal: true
module HTTP
class Headers
# Content-Types that are acceptable for the response.
ACCEPT = "Accept"
# Content-codings that are acceptable in the response.
ACCEPT_ENCODING = "Accept-Encoding"
# The age the object has been in a proxy cache in seconds.
AGE = "Age"
# Authentication credentials for HTTP authentication.
AUTHORIZATION = "Authorization"
# Used to specify directives that must be obeyed by all caching mechanisms
# along the request-response chain.
CACHE_CONTROL = "Cache-Control"
# An HTTP cookie previously sent by the server with Set-Cookie.
COOKIE = "Cookie"
# Control options for the current connection and list
# of hop-by-hop request fields.
CONNECTION = "Connection"
# The length of the request body in octets (8-bit bytes).
CONTENT_LENGTH = "Content-Length"
# The MIME type of the body of the request
# (used with POST and PUT requests).
CONTENT_TYPE = "Content-Type"
# The date and time that the message was sent (in "HTTP-date" format as
# defined by RFC 7231 Date/Time Formats).
DATE = "Date"
# An identifier for a specific version of a resource,
# often a message digest.
ETAG = "ETag"
# Gives the date/time after which the response is considered stale (in
# "HTTP-date" format as defined by RFC 7231).
EXPIRES = "Expires"
# The domain name of the server (for virtual hosting), and the TCP port
# number on which the server is listening. The port number may be omitted
# if the port is the standard port for the service requested.
HOST = "Host"
# Allows a 304 Not Modified to be returned if content is unchanged.
IF_MODIFIED_SINCE = "If-Modified-Since"
# Allows a 304 Not Modified to be returned if content is unchanged.
IF_NONE_MATCH = "If-None-Match"
# The last modified date for the requested object (in "HTTP-date" format as
# defined by RFC 7231).
LAST_MODIFIED = "Last-Modified"
# Used in redirection, or when a new resource has been created.
LOCATION = "Location"
# Authorization credentials for connecting to a proxy.
PROXY_AUTHORIZATION = "Proxy-Authorization"
# An HTTP cookie.
SET_COOKIE = "Set-Cookie"
# The form of encoding used to safely transfer the entity to the user.
# Currently defined methods are: chunked, compress, deflate, gzip, identity.
TRANSFER_ENCODING = "Transfer-Encoding"
# Indicates what additional content codings have been applied to the
# entity-body.
CONTENT_ENCODING = "Content-Encoding"
# The user agent string of the user agent.
USER_AGENT = "User-Agent"
# Tells downstream proxies how to match future request headers to decide
# whether the cached response can be used rather than requesting a fresh
# one from the origin server.
VARY = "Vary"
end
end
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