export declare const HEADER_CACHE_CONTROL = "Cache-Control";
export declare const HEADER_CONNECTION = "Connection";
export declare const HEADER_DATE = "Date";
export declare const HEADER_PRAGMA = "Pragma";
export declare const HEADER_TRAILER = "Trailer";
export declare const HEADER_TRANSFER_ENCODING = "Transfer-Encoding";
export declare const HEADER_UPGRADE = "Upgrade";
export declare const HEADER_VIA = "Via";
export declare const HEADER_WARNING = "Warning";
export declare const HEADER_ACCEPT = "Accept";
export declare const HEADER_ACCEPT_CHARSET = "Accept-Charset";
export declare const HEADER_ACCEPT_ENCODING = "Accept-Encoding";
export declare const HEADER_ACCEPT_LANGUAGE = "Accept-Language";
export declare const HEADER_AUTHORIZATION = "Authorization";
export declare const HEADER_EXPECT = "Expect";
export declare const HEADER_FROM = "From";
export declare const HEADER_HOST = "Host";
export declare const HEADER_IF_MATCH = "If-Match";
export declare const HEADER_IF_MODIFIED_SINCE = "If-Modified-Since";
export declare const HEADER_IF_NONE_MATCH = "If-None-Match";
export declare const HEADER_IF_RANGE = "If-Range";
export declare const HEADER_IF_UNMODIFIED_SINCE = "If-Unmodified-Since";
export declare const HEADER_MAX_FORWARDS = "Max-Forwards";
export declare const HEADER_PROXY_AUTHORIZATION = "Proxy-Authorization";
export declare const HEADER_RANGE = "Range";
export declare const HEADER_REFERER = "Referer";
export declare const HEADER_TE = "TE";
export declare const HEADER_USER_AGENT = "User-Agent";
export declare const HEADER_ACCEPT_RANGES = "Accept-Ranges";
export declare const HEADER_AGE = "Age";
export declare const HEADER_ETAG = "ETag";
export declare const HEADER_LOCATION = "Location";
export declare const HEADER_PROXY_AUTHENTICATE = "Proxy-Authenticate";
export declare const HEADER_RETRY_AFTER = "Retry-After";
export declare const HEADER_SERVER = "Server";
export declare const HEADER_VARY = "Vary";
export declare const HEADER_WWW_AUTHENTICATE = "WWW-Authenticate";
export declare const HEADER_ALLOW = "Allow";
export declare const HEADER_CONTENT_ENCODING = "Content-Encoding";
export declare const HEADER_CONTENT_LANGUAGE = "Content-Language";
export declare const HEADER_CONTENT_LENGTH = "Content-Length";
export declare const HEADER_CONTENT_LOCATION = "Content-Location";
export declare const HEADER_CONTENT_MD5 = "Content-MD5";
export declare const HEADER_CONTENT_RANGE = "Content-Range";
export declare const HEADER_CONTENT_TYPE = "Content-Type";
export declare const HEADER_EXPIRES = "Expires";
export declare const HEADER_LAST_MODIFIED = "Last-Modified";
export declare const HEADER_CONTENT_SECURITY_POLICY = "Content-Security-Policy";
export declare const HEADER_CONTENT_SECURITY_POLICY_REPORT_ONLY = "Content-Security-Policy-Report-Only";
export declare const HEADER_STRICT_TRANSPORT_SECURITY = "Strict-Transport-Security";
export declare const HEADER_X_CONTENT_TYPE_OPTIONS = "X-Content-Type-Options";
export declare const HEADER_X_FRAME_OPTIONS = "X-Frame-Options";
export declare const HEADER_X_XSS_PROTECTION = "X-XSS-Protection";
export declare const HEADER_REFERRER_POLICY = "Referrer-Policy";
export declare const HEADER_REFERER_POLICY = "Referrer-Policy";
export declare const HEADER_PERMISSIONS_POLICY = "Permissions-Policy";
export declare const HEADER_REPORT_TO = "Report-To";
export declare const HEADER_REPORTING_ENDPOINTS = "Reporting-Endpoints";
export declare const HEADER_ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";
export declare const HEADER_ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials";
export declare const HEADER_ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";
export declare const HEADER_ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";
export declare const HEADER_ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers";
export declare const HEADER_ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age";
export declare const HEADER_ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers";
export declare const HEADER_ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method";
export declare const HEADER_X_FORWARDED_FOR = "X-Forwarded-For";
export declare const HEADER_X_FORWARDED_HOST = "X-Forwarded-Host";
export declare const HEADER_X_FORWARDED_PROTO = "X-Forwarded-Proto";
export declare const HEADER_X_REAL_IP = "X-Real-IP";
export declare const HEADER_X_REQUESTED_WITH = "X-Requested-With";
export declare const HEADER_X_CSRF_TOKEN = "X-CSRF-Token";
export declare const HEADER_X_API_KEY = "X-API-Key";
export declare const HEADER_X_REQUEST_ID = "X-Request-ID";
export declare const HEADER_COOKIE = "Cookie";
export declare const HEADER_SET_COOKIE = "Set-Cookie";
export declare const HEADER_ACCEPT_ENCODING_HEADER = "Accept-Encoding";
export declare const HEADER_CONTENT_ENCODING_HEADER = "Content-Encoding";
export declare const HEADER_SEC_WEBSOCKET_KEY = "Sec-WebSocket-Key";
export declare const HEADER_SEC_WEBSOCKET_ACCEPT = "Sec-WebSocket-Accept";
export declare const HEADER_SEC_WEBSOCKET_VERSION = "Sec-WebSocket-Version";
export declare const HEADER_SEC_WEBSOCKET_PROTOCOL = "Sec-WebSocket-Protocol";