interfacehttp.IncomingHttpHeadersinterface IncomingHttpHeadersaccept?: stringaccept-encoding?: stringaccept-language?: stringaccept-patch?: stringaccept-ranges?: stringaccess-control-allow-credentials?: stringaccess-control-allow-headers?: stringaccess-control-allow-methods?: stringaccess-control-allow-origin?: stringaccess-control-expose-headers?: stringaccess-control-max-age?: stringaccess-control-request-headers?: stringaccess-control-request-method?: stringage?: stringallow?: stringalt-svc?: stringauthorization?: stringcache-control?: stringconnection?: stringcontent-disposition?: stringcontent-encoding?: stringcontent-language?: stringcontent-length?: stringcontent-location?: stringcontent-range?: stringcontent-type?: stringcookie?: stringdate?: stringetag?: stringexpect?: stringexpires?: stringforwarded?: stringfrom?: stringhost?: stringif-match?: stringif-modified-since?: stringif-none-match?: stringif-unmodified-since?: stringlast-modified?: stringlocation?: stringorigin?: stringpragma?: stringproxy-authenticate?: stringproxy-authorization?: stringpublic-key-pins?: stringrange?: stringreferer?: stringretry-after?: stringsec-fetch-dest?: stringsec-fetch-mode?: stringsec-fetch-site?: stringsec-fetch-user?: stringsec-websocket-accept?: stringsec-websocket-extensions?: stringsec-websocket-key?: stringsec-websocket-protocol?: stringsec-websocket-version?: stringset-cookie?: string[]strict-transport-security?: stringtk?: stringtrailer?: stringtransfer-encoding?: stringupgrade?: stringuser-agent?: stringvary?: stringvia?: stringwarning?: stringwww-authenticate?: string