Macro cachestr

macro_rules! cachestr {
    ("Content-Length") => { ... };
    ("access-control-allow-origin") => { ... };
    ("application/json") => { ... };
    ("Set-Cookie") => { ... };
    ("Accept-Language") => { ... };
    ("Content-Disposition") => { ... };
    ("access-control-allow-methods") => { ... };
    ("max-forwards") => { ... };
    ("cross-origin-resource-policy") => { ... };
    ("content-security-policy") => { ... };
    ("accept-post") => { ... };
    ("Source-Map") => { ... };
    ("If-Modified-Since") => { ... };
    ("Content-Language") => { ... };
    ("If-Range") => { ... };
    ("Content-Security-Policy") => { ... };
    ("Transfer-Encoding") => { ... };
    ("content-type") => { ... };
    ("if-unmodified-since") => { ... };
    ("Proxy-Authorization") => { ... };
    ("if-none-match") => { ... };
    ("cross-origin-embedder-policy") => { ... };
    ("application/javascript") => { ... };
    ("Access-Control-Allow-Headers") => { ... };
    ("access-control-request-headers") => { ... };
    ("referrer-policy") => { ... };
    ("cross-origin-opener-policy") => { ... };
    ("transfer-encoding") => { ... };
    ("accept-ranges") => { ... };
    ("Accept-Encoding") => { ... };
    ("x-real-ip") => { ... };
    ("Clear-Site-Data") => { ... };
    ("Referrer-Policy") => { ... };
    ("application/json;
charset=utf-8") => { ... };
    ("Content-Location") => { ... };
    ("X-Real-Ip") => { ... };
    ("Cross-Origin-Resource-Policy") => { ... };
    ("If-None-Match") => { ... };
    ("Proxy-Authenticate") => { ... };
    ("content-length") => { ... };
    ("content-language") => { ... };
    ("access-control-request-method") => { ... };
    ("If-Match") => { ... };
    ("Connection") => { ... };
    ("if-range") => { ... };
    ("Cache-Control") => { ... };
    ("location") => { ... };
    ("image/svg+xml") => { ... };
    ("Access-Control-Max-Age") => { ... };
    ("if-match") => { ... };
    ("Accept-Post") => { ... };
    ("access-control-expose-headers") => { ... };
    ("Access-Control-Allow-Methods") => { ... };
    ("Keep-Alive") => { ... };
    ("Access-Control-Request-Headers") => { ... };
    ("Access-Control-Request-Method") => { ... };
    ("accept-language") => { ... };
    ("connection") => { ... };
    ("Access-Control-Expose-Headers") => { ... };
    ("Accept-Ranges") => { ... };
    ("if-modified-since") => { ... };
    ("set-cookie") => { ... };
    ("Cross-Origin-Opener-Policy") => { ... };
    ("retry-after") => { ... };
    ("accept-encoding") => { ... };
    ("If-Unmodified-Since") => { ... };
    ("content-location") => { ... };
    ("Last-Modified") => { ... };
    ("keep-alive") => { ... };
    ("Content-Security-Policy-Report-Only") => { ... };
    ("Forwarded") => { ... };
    ("application/xml") => { ... };
    ("content-security-policy-report-only") => { ... };
    ("cache-control") => { ... };
    ("application/octet-stream") => { ... };
    ("x-forwarded-for") => { ... };
    ("content-range") => { ... };
    ("Server-Timing") => { ... };
    ("Location") => { ... };
    ("Max-Forwards") => { ... };
    ("Cross-Origin-Embedder-Policy") => { ... };
    ("clear-site-data") => { ... };
    ("Access-Control-Allow-Credentials") => { ... };
    ("") => { ... };
    ("Authorization") => { ... };
    ("User-Agent") => { ... };
    ("application/atom+xml") => { ... };
    ("Access-Control-Allow-Origin") => { ... };
    ("source-map") => { ... };
    ("application/xml;
charset=utf-8") => { ... };
    ("user-agent") => { ... };
    ("proxy-authenticate") => { ... };
    ("server-timing") => { ... };
    ("application/xhtml+xml") => { ... };
    ("Accept-Patch") => { ... };
    ("access-control-allow-credentials") => { ... };
    ("text/html") => { ... };
    ("www-authenticate") => { ... };
    ("Content-Encoding") => { ... };
    ("authorization") => { ... };
    ("text/plain") => { ... };
    ("forwarded") => { ... };
    ("last-modified") => { ... };
    ("application/x-javascript") => { ... };
    ("proxy-authorization") => { ... };
    ("WWW-Authenticate") => { ... };
    ("access-control-max-age") => { ... };
    ("X-Forwarded-For") => { ... };
    ("content-disposition") => { ... };
    ("text/plain;
charset=utf-8") => { ... };
    ("text/html;
charset=utf-8") => { ... };
    ("Content-Type") => { ... };
    ("Content-Range") => { ... };
    ("access-control-allow-headers") => { ... };
    ("Retry-After") => { ... };
    ("accept-patch") => { ... };
    ("content-encoding") => { ... };
    ("Accept") => { ... };
    ("Age") => { ... };
    ("Allow") => { ... };
    ("CONNECT") => { ... };
    ("Cookie") => { ... };
    ("DELETE") => { ... };
    ("Date") => { ... };
    ("Etag") => { ... };
    ("Expect") => { ... };
    ("Expires") => { ... };
    ("GET") => { ... };
    ("HEAD") => { ... };
    ("Host") => { ... };
    ("Link") => { ... };
    ("OPTIONS") => { ... };
    ("Origin") => { ... };
    ("PATCH") => { ... };
    ("POST") => { ... };
    ("PUT") => { ... };
    ("Range") => { ... };
    ("Referer") => { ... };
    ("Server") => { ... };
    ("TRACE") => { ... };
    ("Te") => { ... };
    ("Trailer") => { ... };
    ("Upgrade") => { ... };
    ("Vary") => { ... };
    ("Via") => { ... };
    ("accept") => { ... };
    ("age") => { ... };
    ("allow") => { ... };
    ("chunked") => { ... };
    ("close") => { ... };
    ("connect") => { ... };
    ("cookie") => { ... };
    ("date") => { ... };
    ("delete") => { ... };
    ("etag") => { ... };
    ("expect") => { ... };
    ("expires") => { ... };
    ("get") => { ... };
    ("head") => { ... };
    ("host") => { ... };
    ("link") => { ... };
    ("options") => { ... };
    ("origin") => { ... };
    ("patch") => { ... };
    ("post") => { ... };
    ("put") => { ... };
    ("range") => { ... };
    ("referer") => { ... };
    ("server") => { ... };
    ("te") => { ... };
    ("trace") => { ... };
    ("trailer") => { ... };
    ("upgrade") => { ... };
    ("vary") => { ... };
    ("via") => { ... };
}