HttpHeaderNames (filter-service-metrics 1.13 1.13 API)

java.lang.Object
- com.linecorp.armeria.common.HttpHeaderNames

```
public final class HttpHeaderNames
extends Object
```
Contains constant definitions for the HTTP header field names.
All header names in this class are defined in lowercase to support HTTP/2 requirements while also not violating HTTP/1 requirements.

Field Summary

Fields
Modifier and Type	Field and Description
`static io.netty.util.AsciiString`	`ACCEPT` The HTTP `"Accept"` header field name.
`static io.netty.util.AsciiString`	`ACCEPT_CHARSET` The HTTP `"Accept-Charset"` header field name.
`static io.netty.util.AsciiString`	`ACCEPT_ENCODING` The HTTP `"Accept-Encoding"` header field name.
`static io.netty.util.AsciiString`	`ACCEPT_LANGUAGE` The HTTP `"Accept-Language"` header field name.
`static io.netty.util.AsciiString`	`ACCEPT_PATCH` The HTTP `"Accept-Patch"` header field name.
`static io.netty.util.AsciiString`	`ACCEPT_RANGES` The HTTP `"Accept-Ranges"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_ALLOW_CREDENTIALS` The HTTP `"Access-Control-Allow-Credentials"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_ALLOW_HEADERS` The HTTP `"Access-Control-Allow-Headers"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_ALLOW_METHODS` The HTTP `"Access-Control-Allow-Methods"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_ALLOW_ORIGIN` The HTTP `"Access-Control-Allow-Origin"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_EXPOSE_HEADERS` The HTTP `"Access-Control-Expose-Headers"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_MAX_AGE` The HTTP `"Access-Control-Max-Age"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_REQUEST_HEADERS` The HTTP `"Access-Control-Request-Headers"` header field name.
`static io.netty.util.AsciiString`	`ACCESS_CONTROL_REQUEST_METHOD` The HTTP `"Access-Control-Request-Method"` header field name.
`static io.netty.util.AsciiString`	`AGE` The HTTP `"Age"` header field name.
`static io.netty.util.AsciiString`	`ALLOW` The HTTP `"Allow"` header field name.
`static io.netty.util.AsciiString`	`AUTHORITY` The HTTP `":authority"` pseudo header field name.
`static io.netty.util.AsciiString`	`AUTHORIZATION` The HTTP `"Authorization"` header field name.
`static io.netty.util.AsciiString`	`CACHE_CONTROL` The HTTP `"Cache-Control"` header field name.
`static io.netty.util.AsciiString`	`CONNECTION` The HTTP `"Connection"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_BASE` The HTTP `"Content-Base"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_DISPOSITION` The HTTP `"Content-Disposition"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_ENCODING` The HTTP `"Content-Encoding"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_LANGUAGE` The HTTP `"Content-Language"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_LENGTH` The HTTP `"Content-Length"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_LOCATION` The HTTP `"Content-Location"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_MD5` The HTTP `"Content-MD5"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_RANGE` The HTTP `"Content-Range"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_SECURITY_POLICY` The HTTP `Content-Security-Policy` header field name.
`static io.netty.util.AsciiString`	`CONTENT_SECURITY_POLICY_REPORT_ONLY` The HTTP `"Content-Security-Policy-Report-Only"` header field name.
`static io.netty.util.AsciiString`	`CONTENT_TYPE` The HTTP `"Content-Type"` header field name.
`static io.netty.util.AsciiString`	`COOKIE` The HTTP `"Cookie"` header field name.
`static io.netty.util.AsciiString`	`DATE` The HTTP `"Date"` header field name.
`static io.netty.util.AsciiString`	`DNT` The HTTP `"DNT"` header field name.
`static io.netty.util.AsciiString`	`EARLY_DATA` The HTTP `"Early-Data"` header field name.
`static io.netty.util.AsciiString`	`ETAG` The HTTP `"ETag"` header field name.
`static io.netty.util.AsciiString`	`EXPECT` The HTTP `"Expect"` header field name.
`static io.netty.util.AsciiString`	`EXPIRES` The HTTP `"Expires"` header field name.
`static io.netty.util.AsciiString`	`FOLLOW_ONLY_WHEN_PRERENDER_SHOWN` The HTTP `"Follow-Only-When-Prerender-Shown"` header field name.
`static io.netty.util.AsciiString`	`FORWARDED` The HTTP `"Forwarded"` header field name.
`static io.netty.util.AsciiString`	`FROM` The HTTP `"From"` header field name.
`static io.netty.util.AsciiString`	`HOST` The HTTP `"Host"` header field name.
`static io.netty.util.AsciiString`	`HTTP2_SETTINGS` The HTTP `"HTTP2-Settings"` header field name.
`static io.netty.util.AsciiString`	`IF_MATCH` The HTTP `"If-Match"` header field name.
`static io.netty.util.AsciiString`	`IF_MODIFIED_SINCE` The HTTP `"If-Modified-Since"` header field name.
`static io.netty.util.AsciiString`	`IF_NONE_MATCH` The HTTP `"If-None-Match"` header field name.
`static io.netty.util.AsciiString`	`IF_RANGE` The HTTP `"If-Range"` header field name.
`static io.netty.util.AsciiString`	`IF_UNMODIFIED_SINCE` The HTTP `"If-Unmodified-Since"` header field name.
`static io.netty.util.AsciiString`	`LAST_EVENT_ID` The HTTP `"Last-Event-ID"` header field name.
`static io.netty.util.AsciiString`	`LAST_MODIFIED` The HTTP `"Last-Modified"` header field name.
`static io.netty.util.AsciiString`	`LINK` The HTTP `"Link"` header field name.
`static io.netty.util.AsciiString`	`LOCATION` The HTTP `"Location"` header field name.
`static io.netty.util.AsciiString`	`MAX_FORWARDS` The HTTP `"Max-Forwards"` header field name.
`static io.netty.util.AsciiString`	`METHOD` The HTTP `":method"` pseudo header field name.
`static io.netty.util.AsciiString`	`ORIGIN` The HTTP `"Origin"` header field name.
`static io.netty.util.AsciiString`	`ORIGIN_TRIAL` The HTTP `"Origin-Trial"` header field name.
`static io.netty.util.AsciiString`	`P3P` The HTTP `"P3P"` header field name.
`static io.netty.util.AsciiString`	`PATH` The HTTP `":path"` pseudo header field name.
`static io.netty.util.AsciiString`	`PING_FROM` The HTTP `"Ping-From"` header field name.
`static io.netty.util.AsciiString`	`PING_TO` The HTTP `"Ping-To"` header field name.
`static io.netty.util.AsciiString`	`PRAGMA` The HTTP `"Pragma"` header field name.
`static io.netty.util.AsciiString`	`PREFER` The HTTP `"Prefer"` header field name.
`static io.netty.util.AsciiString`	`PROXY_AUTHENTICATE` The HTTP `"Proxy-Authenticate"` header field name.
`static io.netty.util.AsciiString`	`PROXY_AUTHORIZATION` The HTTP `"Proxy-Authorization"` header field name.
`static io.netty.util.AsciiString`	`PUBLIC_KEY_PINS` The HTTP `Public-Key-Pins` header field name.
`static io.netty.util.AsciiString`	`PUBLIC_KEY_PINS_REPORT_ONLY` The HTTP `Public-Key-Pins-Report-Only` header field name.
`static io.netty.util.AsciiString`	`RANGE` The HTTP `"Range"` header field name.
`static io.netty.util.AsciiString`	`REFERER` The HTTP `"Referer"` header field name.
`static io.netty.util.AsciiString`	`REFERRER_POLICY` The HTTP `"Referrer-Policy"` header field name.
`static io.netty.util.AsciiString`	`REFRESH` The HTTP `"Refresh"` header field name.
`static io.netty.util.AsciiString`	`REPORT_TO` The HTTP `"Report-To"` header field name.
`static io.netty.util.AsciiString`	`RETRY_AFTER` The HTTP `"Retry-After"` header field name.
`static io.netty.util.AsciiString`	`SCHEME` The HTTP `":scheme"` pseudo header field name.
`static io.netty.util.AsciiString`	`SEC_PROVIDED_TOKEN_BINDING_ID` The HTTP `Sec-Provided-Token-Binding-ID` header field name.
`static io.netty.util.AsciiString`	`SEC_REFERRED_TOKEN_BINDING_ID` The HTTP `Sec-Referred-Token-Binding-ID` header field name.
`static io.netty.util.AsciiString`	`SEC_TOKEN_BINDING` The HTTP `Sec-Token-Binding` header field name.
`static io.netty.util.AsciiString`	`SERVER` The HTTP `"Server"` header field name.
`static io.netty.util.AsciiString`	`SERVER_TIMING` The HTTP `"Server-Timing"` header field name.
`static io.netty.util.AsciiString`	`SERVICE_WORKER` The HTTP `Service-Worker` header field name.
`static io.netty.util.AsciiString`	`SERVICE_WORKER_ALLOWED` The HTTP `Service-Worker-Allowed` header field name.
`static io.netty.util.AsciiString`	`SET_COOKIE` The HTTP `"Set-Cookie"` header field name.
`static io.netty.util.AsciiString`	`SET_COOKIE2` The HTTP `"Set-Cookie2"` header field name.
`static io.netty.util.AsciiString`	`SOURCE_MAP` The HTTP `"SourceMap"` header field name.
`static io.netty.util.AsciiString`	`STATUS` The HTTP `":status"` pseudo header field name.
`static io.netty.util.AsciiString`	`STRICT_TRANSPORT_SECURITY` The HTTP `Strict-Transport-Security` header field name.
`static io.netty.util.AsciiString`	`TE` The HTTP `"TE"` header field name.
`static io.netty.util.AsciiString`	`TIMING_ALLOW_ORIGIN` The HTTP `Timing-Allow-Origin` header field name.
`static io.netty.util.AsciiString`	`TRAILER` The HTTP `"Trailer"` header field name.
`static io.netty.util.AsciiString`	`TRANSFER_ENCODING` The HTTP `"Transfer-Encoding"` header field name.
`static io.netty.util.AsciiString`	`UPGRADE` The HTTP `"Upgrade"` header field name.
`static io.netty.util.AsciiString`	`USER_AGENT` The HTTP `"User-Agent"` header field name.
`static io.netty.util.AsciiString`	`VARY` The HTTP `"Vary"` header field name.
`static io.netty.util.AsciiString`	`VIA` The HTTP `"Via"` header field name.
`static io.netty.util.AsciiString`	`WARNING` The HTTP `"Warning"` header field name.
`static io.netty.util.AsciiString`	`WWW_AUTHENTICATE` The HTTP `"WWW-Authenticate"` header field name.
`static io.netty.util.AsciiString`	`X_CONTENT_TYPE_OPTIONS` The HTTP `"X-Content-Type-Options"` header field name.
`static io.netty.util.AsciiString`	`X_DNS_PREFETCH_CONTROL` The HTTP `X-DNS-Prefetch-Control` header controls DNS prefetch behavior.
`static io.netty.util.AsciiString`	`X_DO_NOT_TRACK` The HTTP `"X-Do-Not-Track"` header field name.
`static io.netty.util.AsciiString`	`X_DOWNLOAD_OPTIONS` The HTTP `"X-Download-Options"` header field name.
`static io.netty.util.AsciiString`	`X_FORWARDED_FOR` The HTTP `"X-Forwarded-For"` header field name (superseded by `"Forwarded"`).
`static io.netty.util.AsciiString`	`X_FORWARDED_HOST` The HTTP `"X-Forwarded-Host"` header field name.
`static io.netty.util.AsciiString`	`X_FORWARDED_PORT` The HTTP `"X-Forwarded-Port"` header field name.
`static io.netty.util.AsciiString`	`X_FORWARDED_PROTO` The HTTP `"X-Forwarded-Proto"` header field name.
`static io.netty.util.AsciiString`	`X_FRAME_OPTIONS` The HTTP `"X-Frame-Options"` header field name.
`static io.netty.util.AsciiString`	`X_POWERED_BY` The HTTP `"X-Powered-By"` header field name.
`static io.netty.util.AsciiString`	`X_REQUESTED_WITH` The HTTP `"X-Requested-With"` header field name.
`static io.netty.util.AsciiString`	`X_USER_IP` The HTTP `"X-User-IP"` header field name.
`static io.netty.util.AsciiString`	`X_XSS_PROTECTION` The HTTP `"X-XSS-Protection"` header field name.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static io.netty.util.AsciiString`	`of(io.netty.util.AsciiString name)` Lower-cases and converts the specified header name into an `AsciiString`.
`static io.netty.util.AsciiString`	`of(CharSequence name)` Lower-cases and converts the specified header name into an `AsciiString`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - METHOD
```
public static final io.netty.util.AsciiString METHOD
```
    The HTTP ":method" pseudo header field name.
  - SCHEME
```
public static final io.netty.util.AsciiString SCHEME
```
    The HTTP ":scheme" pseudo header field name.
  - AUTHORITY
```
public static final io.netty.util.AsciiString AUTHORITY
```
    The HTTP ":authority" pseudo header field name.
  - PATH
```
public static final io.netty.util.AsciiString PATH
```
    The HTTP ":path" pseudo header field name.
  - STATUS
```
public static final io.netty.util.AsciiString STATUS
```
    The HTTP ":status" pseudo header field name.
  - CACHE_CONTROL
```
public static final io.netty.util.AsciiString CACHE_CONTROL
```
    The HTTP "Cache-Control" header field name.
  - CONTENT_LENGTH
```
public static final io.netty.util.AsciiString CONTENT_LENGTH
```
    The HTTP "Content-Length" header field name.
  - CONTENT_TYPE
```
public static final io.netty.util.AsciiString CONTENT_TYPE
```
    The HTTP "Content-Type" header field name.
  - DATE
```
public static final io.netty.util.AsciiString DATE
```
    The HTTP "Date" header field name.
  - PRAGMA
```
public static final io.netty.util.AsciiString PRAGMA
```
    The HTTP "Pragma" header field name.
  - VIA
```
public static final io.netty.util.AsciiString VIA
```
    The HTTP "Via" header field name.
  - WARNING
```
public static final io.netty.util.AsciiString WARNING
```
    The HTTP "Warning" header field name.
  - ACCEPT
```
public static final io.netty.util.AsciiString ACCEPT
```
    The HTTP "Accept" header field name.
  - ACCEPT_CHARSET
```
public static final io.netty.util.AsciiString ACCEPT_CHARSET
```
    The HTTP "Accept-Charset" header field name.
  - ACCEPT_ENCODING
```
public static final io.netty.util.AsciiString ACCEPT_ENCODING
```
    The HTTP "Accept-Encoding" header field name.
  - ACCEPT_LANGUAGE
```
public static final io.netty.util.AsciiString ACCEPT_LANGUAGE
```
    The HTTP "Accept-Language" header field name.
  - ACCESS_CONTROL_REQUEST_HEADERS
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_REQUEST_HEADERS
```
    The HTTP "Access-Control-Request-Headers" header field name.
  - ACCESS_CONTROL_REQUEST_METHOD
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_REQUEST_METHOD
```
    The HTTP "Access-Control-Request-Method" header field name.
  - AUTHORIZATION
```
public static final io.netty.util.AsciiString AUTHORIZATION
```
    The HTTP "Authorization" header field name.
  - CONNECTION
```
public static final io.netty.util.AsciiString CONNECTION
```
    The HTTP "Connection" header field name.
  - COOKIE
```
public static final io.netty.util.AsciiString COOKIE
```
    The HTTP "Cookie" header field name.
  - EARLY_DATA
```
public static final io.netty.util.AsciiString EARLY_DATA
```
    The HTTP "Early-Data" header field name.
  - EXPECT
```
public static final io.netty.util.AsciiString EXPECT
```
    The HTTP "Expect" header field name.
  - FROM
```
public static final io.netty.util.AsciiString FROM
```
    The HTTP "From" header field name.
  - FORWARDED
```
public static final io.netty.util.AsciiString FORWARDED
```
    The HTTP "Forwarded" header field name.
  - FOLLOW_ONLY_WHEN_PRERENDER_SHOWN
```
public static final io.netty.util.AsciiString FOLLOW_ONLY_WHEN_PRERENDER_SHOWN
```
    The HTTP "Follow-Only-When-Prerender-Shown" header field name.
  - HOST
```
public static final io.netty.util.AsciiString HOST
```
    The HTTP "Host" header field name.
  - HTTP2_SETTINGS
```
public static final io.netty.util.AsciiString HTTP2_SETTINGS
```
    The HTTP "HTTP2-Settings" header field name.
  - IF_MATCH
```
public static final io.netty.util.AsciiString IF_MATCH
```
    The HTTP "If-Match" header field name.
  - IF_MODIFIED_SINCE
```
public static final io.netty.util.AsciiString IF_MODIFIED_SINCE
```
    The HTTP "If-Modified-Since" header field name.
  - IF_NONE_MATCH
```
public static final io.netty.util.AsciiString IF_NONE_MATCH
```
    The HTTP "If-None-Match" header field name.
  - IF_RANGE
```
public static final io.netty.util.AsciiString IF_RANGE
```
    The HTTP "If-Range" header field name.
  - IF_UNMODIFIED_SINCE
```
public static final io.netty.util.AsciiString IF_UNMODIFIED_SINCE
```
    The HTTP "If-Unmodified-Since" header field name.
  - LAST_EVENT_ID
```
public static final io.netty.util.AsciiString LAST_EVENT_ID
```
    The HTTP "Last-Event-ID" header field name.
  - MAX_FORWARDS
```
public static final io.netty.util.AsciiString MAX_FORWARDS
```
    The HTTP "Max-Forwards" header field name.
  - ORIGIN
```
public static final io.netty.util.AsciiString ORIGIN
```
    The HTTP "Origin" header field name.
  - PREFER
```
public static final io.netty.util.AsciiString PREFER
```
    The HTTP "Prefer" header field name.
  - PROXY_AUTHORIZATION
```
public static final io.netty.util.AsciiString PROXY_AUTHORIZATION
```
    The HTTP "Proxy-Authorization" header field name.
  - RANGE
```
public static final io.netty.util.AsciiString RANGE
```
    The HTTP "Range" header field name.
  - REFERER
```
public static final io.netty.util.AsciiString REFERER
```
    The HTTP "Referer" header field name.
  - REFERRER_POLICY
```
public static final io.netty.util.AsciiString REFERRER_POLICY
```
    The HTTP "Referrer-Policy" header field name.
  - SERVICE_WORKER
```
public static final io.netty.util.AsciiString SERVICE_WORKER
```
    The HTTP Service-Worker header field name.
  - TE
```
public static final io.netty.util.AsciiString TE
```
    The HTTP "TE" header field name.
  - UPGRADE
```
public static final io.netty.util.AsciiString UPGRADE
```
    The HTTP "Upgrade" header field name.
  - USER_AGENT
```
public static final io.netty.util.AsciiString USER_AGENT
```
    The HTTP "User-Agent" header field name.
  - ACCEPT_RANGES
```
public static final io.netty.util.AsciiString ACCEPT_RANGES
```
    The HTTP "Accept-Ranges" header field name.
  - ACCEPT_PATCH
```
public static final io.netty.util.AsciiString ACCEPT_PATCH
```
    The HTTP "Accept-Patch" header field name.
  - ACCESS_CONTROL_ALLOW_HEADERS
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_ALLOW_HEADERS
```
    The HTTP "Access-Control-Allow-Headers" header field name.
  - ACCESS_CONTROL_ALLOW_METHODS
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_ALLOW_METHODS
```
    The HTTP "Access-Control-Allow-Methods" header field name.
  - ACCESS_CONTROL_ALLOW_ORIGIN
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_ALLOW_ORIGIN
```
    The HTTP "Access-Control-Allow-Origin" header field name.
  - ACCESS_CONTROL_ALLOW_CREDENTIALS
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_ALLOW_CREDENTIALS
```
    The HTTP "Access-Control-Allow-Credentials" header field name.
  - ACCESS_CONTROL_EXPOSE_HEADERS
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_EXPOSE_HEADERS
```
    The HTTP "Access-Control-Expose-Headers" header field name.
  - ACCESS_CONTROL_MAX_AGE
```
public static final io.netty.util.AsciiString ACCESS_CONTROL_MAX_AGE
```
    The HTTP "Access-Control-Max-Age" header field name.
  - AGE
```
public static final io.netty.util.AsciiString AGE
```
    The HTTP "Age" header field name.
  - ALLOW
```
public static final io.netty.util.AsciiString ALLOW
```
    The HTTP "Allow" header field name.
  - CONTENT_BASE
```
public static final io.netty.util.AsciiString CONTENT_BASE
```
    The HTTP "Content-Base" header field name.
  - CONTENT_DISPOSITION
```
public static final io.netty.util.AsciiString CONTENT_DISPOSITION
```
    The HTTP "Content-Disposition" header field name.
  - CONTENT_ENCODING
```
public static final io.netty.util.AsciiString CONTENT_ENCODING
```
    The HTTP "Content-Encoding" header field name.
  - CONTENT_LANGUAGE
```
public static final io.netty.util.AsciiString CONTENT_LANGUAGE
```
    The HTTP "Content-Language" header field name.
  - CONTENT_LOCATION
```
public static final io.netty.util.AsciiString CONTENT_LOCATION
```
    The HTTP "Content-Location" header field name.
  - CONTENT_MD5
```
public static final io.netty.util.AsciiString CONTENT_MD5
```
    The HTTP "Content-MD5" header field name.
  - CONTENT_RANGE
```
public static final io.netty.util.AsciiString CONTENT_RANGE
```
    The HTTP "Content-Range" header field name.
  - CONTENT_SECURITY_POLICY
```
public static final io.netty.util.AsciiString CONTENT_SECURITY_POLICY
```
    The HTTP Content-Security-Policy header field name.
  - CONTENT_SECURITY_POLICY_REPORT_ONLY
```
public static final io.netty.util.AsciiString CONTENT_SECURITY_POLICY_REPORT_ONLY
```
    The HTTP "Content-Security-Policy-Report-Only" header field name.
  - ETAG
```
public static final io.netty.util.AsciiString ETAG
```
    The HTTP "ETag" header field name.
  - EXPIRES
```
public static final io.netty.util.AsciiString EXPIRES
```
    The HTTP "Expires" header field name.
  - LAST_MODIFIED
```
public static final io.netty.util.AsciiString LAST_MODIFIED
```
    The HTTP "Last-Modified" header field name.
  - LINK
```
public static final io.netty.util.AsciiString LINK
```
    The HTTP "Link" header field name.
  - LOCATION
```
public static final io.netty.util.AsciiString LOCATION
```
    The HTTP "Location" header field name.
  - ORIGIN_TRIAL
```
public static final io.netty.util.AsciiString ORIGIN_TRIAL
```
    The HTTP "Origin-Trial" header field name.
  - P3P
```
public static final io.netty.util.AsciiString P3P
```
    The HTTP "P3P" header field name. Limited browser support.
  - PROXY_AUTHENTICATE
```
public static final io.netty.util.AsciiString PROXY_AUTHENTICATE
```
    The HTTP "Proxy-Authenticate" header field name.
  - REFRESH
```
public static final io.netty.util.AsciiString REFRESH
```
    The HTTP "Refresh" header field name. Non-standard header supported by most browsers.
  - REPORT_TO
```
public static final io.netty.util.AsciiString REPORT_TO
```
    The HTTP "Report-To" header field name.
  - RETRY_AFTER
```
public static final io.netty.util.AsciiString RETRY_AFTER
```
    The HTTP "Retry-After" header field name.
  - SERVER
```
public static final io.netty.util.AsciiString SERVER
```
    The HTTP "Server" header field name.
  - SERVER_TIMING
```
public static final io.netty.util.AsciiString SERVER_TIMING
```
    The HTTP "Server-Timing" header field name.
  - SERVICE_WORKER_ALLOWED
```
public static final io.netty.util.AsciiString SERVICE_WORKER_ALLOWED
```
    The HTTP Service-Worker-Allowed header field name.
  - SET_COOKIE
```
public static final io.netty.util.AsciiString SET_COOKIE
```
    The HTTP "Set-Cookie" header field name.
  - SET_COOKIE2
```
public static final io.netty.util.AsciiString SET_COOKIE2
```
    The HTTP "Set-Cookie2" header field name.
  - SOURCE_MAP
```
public static final io.netty.util.AsciiString SOURCE_MAP
```
    The HTTP "SourceMap" header field name.
  - STRICT_TRANSPORT_SECURITY
```
public static final io.netty.util.AsciiString STRICT_TRANSPORT_SECURITY
```
    The HTTP Strict-Transport-Security header field name.
  - TIMING_ALLOW_ORIGIN
```
public static final io.netty.util.AsciiString TIMING_ALLOW_ORIGIN
```
    The HTTP Timing-Allow-Origin header field name.
  - TRAILER
```
public static final io.netty.util.AsciiString TRAILER
```
    The HTTP "Trailer" header field name.
  - TRANSFER_ENCODING
```
public static final io.netty.util.AsciiString TRANSFER_ENCODING
```
    The HTTP "Transfer-Encoding" header field name.
  - VARY
```
public static final io.netty.util.AsciiString VARY
```
    The HTTP "Vary" header field name.
  - WWW_AUTHENTICATE
```
public static final io.netty.util.AsciiString WWW_AUTHENTICATE
```
    The HTTP "WWW-Authenticate" header field name.
  - DNT
```
public static final io.netty.util.AsciiString DNT
```
    The HTTP "DNT" header field name.
  - X_CONTENT_TYPE_OPTIONS
```
public static final io.netty.util.AsciiString X_CONTENT_TYPE_OPTIONS
```
    The HTTP "X-Content-Type-Options" header field name.
  - X_DO_NOT_TRACK
```
public static final io.netty.util.AsciiString X_DO_NOT_TRACK
```
    The HTTP "X-Do-Not-Track" header field name.
  - X_FORWARDED_FOR
```
public static final io.netty.util.AsciiString X_FORWARDED_FOR
```
    The HTTP "X-Forwarded-For" header field name (superseded by "Forwarded").
  - X_FORWARDED_PROTO
```
public static final io.netty.util.AsciiString X_FORWARDED_PROTO
```
    The HTTP "X-Forwarded-Proto" header field name.
  - X_FORWARDED_HOST
```
public static final io.netty.util.AsciiString X_FORWARDED_HOST
```
    The HTTP "X-Forwarded-Host" header field name.
  - X_FORWARDED_PORT
```
public static final io.netty.util.AsciiString X_FORWARDED_PORT
```
    The HTTP "X-Forwarded-Port" header field name.
  - X_FRAME_OPTIONS
```
public static final io.netty.util.AsciiString X_FRAME_OPTIONS
```
    The HTTP "X-Frame-Options" header field name.
  - X_POWERED_BY
```
public static final io.netty.util.AsciiString X_POWERED_BY
```
    The HTTP "X-Powered-By" header field name.
  - PUBLIC_KEY_PINS
```
public static final io.netty.util.AsciiString PUBLIC_KEY_PINS
```
    The HTTP Public-Key-Pins header field name.
  - PUBLIC_KEY_PINS_REPORT_ONLY
```
public static final io.netty.util.AsciiString PUBLIC_KEY_PINS_REPORT_ONLY
```
    The HTTP Public-Key-Pins-Report-Only header field name.
  - X_REQUESTED_WITH
```
public static final io.netty.util.AsciiString X_REQUESTED_WITH
```
    The HTTP "X-Requested-With" header field name.
  - X_USER_IP
```
public static final io.netty.util.AsciiString X_USER_IP
```
    The HTTP "X-User-IP" header field name.
  - X_DOWNLOAD_OPTIONS
```
public static final io.netty.util.AsciiString X_DOWNLOAD_OPTIONS
```
    The HTTP "X-Download-Options" header field name.
    When the new X-Download-Options header is present with the value "noopen", the user is prevented from opening a file download directly; instead, they must first save the file locally.
  - X_XSS_PROTECTION
```
public static final io.netty.util.AsciiString X_XSS_PROTECTION
```
    The HTTP "X-XSS-Protection" header field name.
  - X_DNS_PREFETCH_CONTROL
```
public static final io.netty.util.AsciiString X_DNS_PREFETCH_CONTROL
```
    The HTTP X-DNS-Prefetch-Control header controls DNS prefetch behavior. Value can be "on" or "off". By default, DNS prefetching is "on" for HTTP pages and "off" for HTTPS pages.
  - PING_FROM
```
public static final io.netty.util.AsciiString PING_FROM
```
    The HTTP "Ping-From" header field name.
  - PING_TO
```
public static final io.netty.util.AsciiString PING_TO
```
    The HTTP "Ping-To" header field name.
  - SEC_TOKEN_BINDING
```
public static final io.netty.util.AsciiString SEC_TOKEN_BINDING
```
    The HTTP Sec-Token-Binding header field name.
  - SEC_PROVIDED_TOKEN_BINDING_ID
```
public static final io.netty.util.AsciiString SEC_PROVIDED_TOKEN_BINDING_ID
```
    The HTTP Sec-Provided-Token-Binding-ID header field name.
  - SEC_REFERRED_TOKEN_BINDING_ID
```
public static final io.netty.util.AsciiString SEC_REFERRED_TOKEN_BINDING_ID
```
    The HTTP Sec-Referred-Token-Binding-ID header field name.
- Method Detail
  - of
```
public static io.netty.util.AsciiString of(CharSequence name)
```
    Lower-cases and converts the specified header name into an AsciiString. If "name" is a known header name, this method will return a pre-instantiated AsciiString to reduce the allocation rate of AsciiString.
    
    Throws:
    
    IllegalArgumentException - if the specified name is not a valid header name.
  - of
```
public static io.netty.util.AsciiString of(io.netty.util.AsciiString name)
```
    Lower-cases and converts the specified header name into an AsciiString. If "name" is a known header name, this method will return a pre-instantiated AsciiString to reduce the allocation rate of AsciiString.
    
    Throws:
    
    IllegalArgumentException - if the specified name is not a valid header name.

Class HttpHeaderNames

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

METHOD

SCHEME

AUTHORITY

PATH

STATUS

CACHE_CONTROL

CONTENT_LENGTH

CONTENT_TYPE

DATE

PRAGMA

VIA

WARNING

ACCEPT

ACCEPT_CHARSET

ACCEPT_ENCODING

ACCEPT_LANGUAGE

ACCESS_CONTROL_REQUEST_HEADERS

ACCESS_CONTROL_REQUEST_METHOD

AUTHORIZATION

CONNECTION

COOKIE

EARLY_DATA

EXPECT

FROM

FORWARDED

FOLLOW_ONLY_WHEN_PRERENDER_SHOWN

HOST

HTTP2_SETTINGS

IF_MATCH

IF_MODIFIED_SINCE

IF_NONE_MATCH

IF_RANGE

IF_UNMODIFIED_SINCE

LAST_EVENT_ID

MAX_FORWARDS

ORIGIN

PREFER

PROXY_AUTHORIZATION

RANGE

REFERER

REFERRER_POLICY

SERVICE_WORKER

TE

UPGRADE

USER_AGENT

ACCEPT_RANGES

ACCEPT_PATCH

ACCESS_CONTROL_ALLOW_HEADERS

ACCESS_CONTROL_ALLOW_METHODS

ACCESS_CONTROL_ALLOW_ORIGIN

ACCESS_CONTROL_ALLOW_CREDENTIALS

ACCESS_CONTROL_EXPOSE_HEADERS

ACCESS_CONTROL_MAX_AGE

AGE

ALLOW

CONTENT_BASE

CONTENT_DISPOSITION

CONTENT_ENCODING

CONTENT_LANGUAGE

CONTENT_LOCATION

CONTENT_MD5

CONTENT_RANGE

CONTENT_SECURITY_POLICY

CONTENT_SECURITY_POLICY_REPORT_ONLY

ETAG

EXPIRES

LAST_MODIFIED

LINK

LOCATION

ORIGIN_TRIAL

P3P

PROXY_AUTHENTICATE

REFRESH

REPORT_TO

RETRY_AFTER