feat: migrate from Cedar to SpiceDB authorization system

This is a major architectural change that replaces the Cedar policy-based
authorization system with SpiceDB's relation-based authorization.

Key changes:

- Migrate from Rust to Go implementation
- Replace Cedar policies with SpiceDB schema and relationships
- Switch from envoy `ext_authz` with Cedar to SpiceDB permission checks
- Update build system and dependencies for Go ecosystem
- Maintain Envoy integration for external authorization

This change enables more flexible permission modeling through SpiceDB's
Google Zanzibar inspired relation-based system, supporting complex
hierarchical permissions that were difficult to express in Cedar.

Breaking change: Existing Cedar policies and Rust-based configuration
will no longer work and need to be migrated to SpiceDB schema.

1 files changed, 0 insertions, 594 deletions

diff --git a/vendor/http/src/status.rs b/vendor/http/src/status.rs
deleted file mode 100644
index 7b3e8d64..00000000
--- a/vendor/http/src/status.rs
+++ /dev/null
@@ -1,594 +0,0 @@
-//! HTTP status codes
-//!
-//! This module contains HTTP-status code related structs an errors. The main
-//! type in this module is `StatusCode` which is not intended to be used through
-//! this module but rather the `http::StatusCode` type.
-//!
-//! # Examples
-//!
-//! ```
-//! use http::StatusCode;
-//!
-//! assert_eq!(StatusCode::from_u16(200).unwrap(), StatusCode::OK);
-//! assert_eq!(StatusCode::NOT_FOUND, 404);
-//! assert!(StatusCode::OK.is_success());
-//! ```
-
-use std::convert::TryFrom;
-use std::error::Error;
-use std::fmt;
-use std::num::NonZeroU16;
-use std::str::FromStr;
-
-/// An HTTP status code (`status-code` in RFC 9110 et al.).
-///
-/// Constants are provided for known status codes, including those in the IANA
-/// [HTTP Status Code Registry](
-/// https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml).
-///
-/// Status code values in the range 100-999 (inclusive) are supported by this
-/// type. Values in the range 100-599 are semantically classified by the most
-/// significant digit. See [`StatusCode::is_success`], etc. Values above 599
-/// are unclassified but allowed for legacy compatibility, though their use is
-/// discouraged. Applications may interpret such values as protocol errors.
-///
-/// # Examples
-///
-/// ```
-/// use http::StatusCode;
-///
-/// assert_eq!(StatusCode::from_u16(200).unwrap(), StatusCode::OK);
-/// assert_eq!(StatusCode::NOT_FOUND.as_u16(), 404);
-/// assert!(StatusCode::OK.is_success());
-/// ```
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct StatusCode(NonZeroU16);
-
-/// A possible error value when converting a `StatusCode` from a `u16` or `&str`.
-///
-/// This error indicates that the supplied input was not a valid number, was less
-/// than 100, or was greater than 999.
-pub struct InvalidStatusCode {
-    _priv: (),
-}
-
-impl StatusCode {
-    /// Converts a u16 to a status code.
-    ///
-    /// The function validates the correctness of the supplied u16. It must be
-    /// greater or equal to 100 and less than 1000.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// use http::StatusCode;
-    ///
-    /// let ok = StatusCode::from_u16(200).unwrap();
-    /// assert_eq!(ok, StatusCode::OK);
-    ///
-    /// let err = StatusCode::from_u16(99);
-    /// assert!(err.is_err());
-    /// ```
-    #[inline]
-    pub fn from_u16(src: u16) -> Result<StatusCode, InvalidStatusCode> {
-        if !(100..1000).contains(&src) {
-            return Err(InvalidStatusCode::new());
-        }
-
-        NonZeroU16::new(src)
-            .map(StatusCode)
-            .ok_or_else(InvalidStatusCode::new)
-    }
-
-    /// Converts a `&[u8]` to a status code.
-    pub fn from_bytes(src: &[u8]) -> Result<StatusCode, InvalidStatusCode> {
-        if src.len() != 3 {
-            return Err(InvalidStatusCode::new());
-        }
-
-        let a = src[0].wrapping_sub(b'0') as u16;
-        let b = src[1].wrapping_sub(b'0') as u16;
-        let c = src[2].wrapping_sub(b'0') as u16;
-
-        if a == 0 || a > 9 || b > 9 || c > 9 {
-            return Err(InvalidStatusCode::new());
-        }
-
-        let status = (a * 100) + (b * 10) + c;
-        NonZeroU16::new(status)
-            .map(StatusCode)
-            .ok_or_else(InvalidStatusCode::new)
-    }
-
-    /// Returns the `u16` corresponding to this `StatusCode`.
-    ///
-    /// # Note
-    ///
-    /// This is the same as the `From<StatusCode>` implementation, but
-    /// included as an inherent method because that implementation doesn't
-    /// appear in rustdocs, as well as a way to force the type instead of
-    /// relying on inference.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// let status = http::StatusCode::OK;
-    /// assert_eq!(status.as_u16(), 200);
-    /// ```
-    #[inline]
-    pub const fn as_u16(&self) -> u16 {
-        self.0.get()
-    }
-
-    /// Returns a &str representation of the `StatusCode`
-    ///
-    /// The return value only includes a numerical representation of the
-    /// status code. The canonical reason is not included.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// let status = http::StatusCode::OK;
-    /// assert_eq!(status.as_str(), "200");
-    /// ```
-    #[inline]
-    pub fn as_str(&self) -> &str {
-        let offset = (self.0.get() - 100) as usize;
-        let offset = offset * 3;
-
-        // Invariant: self has checked range [100, 999] and CODE_DIGITS is
-        // ASCII-only, of length 900 * 3 = 2700 bytes
-
-        #[cfg(debug_assertions)]
-        {
-            &CODE_DIGITS[offset..offset + 3]
-        }
-
-        #[cfg(not(debug_assertions))]
-        unsafe {
-            CODE_DIGITS.get_unchecked(offset..offset + 3)
-        }
-    }
-
-    /// Get the standardised `reason-phrase` for this status code.
-    ///
-    /// This is mostly here for servers writing responses, but could potentially have application
-    /// at other times.
-    ///
-    /// The reason phrase is defined as being exclusively for human readers. You should avoid
-    /// deriving any meaning from it at all costs.
-    ///
-    /// Bear in mind also that in HTTP/2.0 and HTTP/3.0 the reason phrase is abolished from
-    /// transmission, and so this canonical reason phrase really is the only reason phrase you’ll
-    /// find.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// let status = http::StatusCode::OK;
-    /// assert_eq!(status.canonical_reason(), Some("OK"));
-    /// ```
-    pub fn canonical_reason(&self) -> Option<&'static str> {
-        canonical_reason(self.0.get())
-    }
-
-    /// Check if status is within 100-199.
-    #[inline]
-    pub fn is_informational(&self) -> bool {
-        (100..200).contains(&self.0.get())
-    }
-
-    /// Check if status is within 200-299.
-    #[inline]
-    pub fn is_success(&self) -> bool {
-        (200..300).contains(&self.0.get())
-    }
-
-    /// Check if status is within 300-399.
-    #[inline]
-    pub fn is_redirection(&self) -> bool {
-        (300..400).contains(&self.0.get())
-    }
-
-    /// Check if status is within 400-499.
-    #[inline]
-    pub fn is_client_error(&self) -> bool {
-        (400..500).contains(&self.0.get())
-    }
-
-    /// Check if status is within 500-599.
-    #[inline]
-    pub fn is_server_error(&self) -> bool {
-        (500..600).contains(&self.0.get())
-    }
-}
-
-impl fmt::Debug for StatusCode {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&self.0, f)
-    }
-}
-
-/// Formats the status code, *including* the canonical reason.
-///
-/// # Example
-///
-/// ```
-/// # use http::StatusCode;
-/// assert_eq!(format!("{}", StatusCode::OK), "200 OK");
-/// ```
-impl fmt::Display for StatusCode {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            f,
-            "{} {}",
-            u16::from(*self),
-            self.canonical_reason().unwrap_or("<unknown status code>")
-        )
-    }
-}
-
-impl Default for StatusCode {
-    #[inline]
-    fn default() -> StatusCode {
-        StatusCode::OK
-    }
-}
-
-impl PartialEq<u16> for StatusCode {
-    #[inline]
-    fn eq(&self, other: &u16) -> bool {
-        self.as_u16() == *other
-    }
-}
-
-impl PartialEq<StatusCode> for u16 {
-    #[inline]
-    fn eq(&self, other: &StatusCode) -> bool {
-        *self == other.as_u16()
-    }
-}
-
-impl From<StatusCode> for u16 {
-    #[inline]
-    fn from(status: StatusCode) -> u16 {
-        status.0.get()
-    }
-}
-
-impl FromStr for StatusCode {
-    type Err = InvalidStatusCode;
-
-    fn from_str(s: &str) -> Result<StatusCode, InvalidStatusCode> {
-        StatusCode::from_bytes(s.as_ref())
-    }
-}
-
-impl<'a> From<&'a StatusCode> for StatusCode {
-    #[inline]
-    fn from(t: &'a StatusCode) -> Self {
-        t.to_owned()
-    }
-}
-
-impl<'a> TryFrom<&'a [u8]> for StatusCode {
-    type Error = InvalidStatusCode;
-
-    #[inline]
-    fn try_from(t: &'a [u8]) -> Result<Self, Self::Error> {
-        StatusCode::from_bytes(t)
-    }
-}
-
-impl<'a> TryFrom<&'a str> for StatusCode {
-    type Error = InvalidStatusCode;
-
-    #[inline]
-    fn try_from(t: &'a str) -> Result<Self, Self::Error> {
-        t.parse()
-    }
-}
-
-impl TryFrom<u16> for StatusCode {
-    type Error = InvalidStatusCode;
-
-    #[inline]
-    fn try_from(t: u16) -> Result<Self, Self::Error> {
-        StatusCode::from_u16(t)
-    }
-}
-
-macro_rules! status_codes {
-    (
-        $(
-            $(#[$docs:meta])*
-            ($num:expr, $konst:ident, $phrase:expr);
-        )+
-    ) => {
-        impl StatusCode {
-        $(
-            $(#[$docs])*
-            pub const $konst: StatusCode = StatusCode(unsafe { NonZeroU16::new_unchecked($num) });
-        )+
-
-        }
-
-        fn canonical_reason(num: u16) -> Option<&'static str> {
-            match num {
-                $(
-                $num => Some($phrase),
-                )+
-                _ => None
-            }
-        }
-    }
-}
-
-status_codes! {
-    /// 100 Continue
-    /// [[RFC9110, Section 15.2.1](https://datatracker.ietf.org/doc/html/rfc9110#section-15.2.1)]
-    (100, CONTINUE, "Continue");
-    /// 101 Switching Protocols
-    /// [[RFC9110, Section 15.2.2](https://datatracker.ietf.org/doc/html/rfc9110#section-15.2.2)]
-    (101, SWITCHING_PROTOCOLS, "Switching Protocols");
-    /// 102 Processing
-    /// [[RFC2518, Section 10.1](https://datatracker.ietf.org/doc/html/rfc2518#section-10.1)]
-    (102, PROCESSING, "Processing");
-
-    /// 200 OK
-    /// [[RFC9110, Section 15.3.1](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.1)]
-    (200, OK, "OK");
-    /// 201 Created
-    /// [[RFC9110, Section 15.3.2](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.2)]
-    (201, CREATED, "Created");
-    /// 202 Accepted
-    /// [[RFC9110, Section 15.3.3](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.3)]
-    (202, ACCEPTED, "Accepted");
-    /// 203 Non-Authoritative Information
-    /// [[RFC9110, Section 15.3.4](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.4)]
-    (203, NON_AUTHORITATIVE_INFORMATION, "Non Authoritative Information");
-    /// 204 No Content
-    /// [[RFC9110, Section 15.3.5](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.5)]
-    (204, NO_CONTENT, "No Content");
-    /// 205 Reset Content
-    /// [[RFC9110, Section 15.3.6](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.6)]
-    (205, RESET_CONTENT, "Reset Content");
-    /// 206 Partial Content
-    /// [[RFC9110, Section 15.3.7](https://datatracker.ietf.org/doc/html/rfc9110#section-15.3.7)]
-    (206, PARTIAL_CONTENT, "Partial Content");
-    /// 207 Multi-Status
-    /// [[RFC4918, Section 11.1](https://datatracker.ietf.org/doc/html/rfc4918#section-11.1)]
-    (207, MULTI_STATUS, "Multi-Status");
-    /// 208 Already Reported
-    /// [[RFC5842, Section 7.1](https://datatracker.ietf.org/doc/html/rfc5842#section-7.1)]
-    (208, ALREADY_REPORTED, "Already Reported");
-
-    /// 226 IM Used
-    /// [[RFC3229, Section 10.4.1](https://datatracker.ietf.org/doc/html/rfc3229#section-10.4.1)]
-    (226, IM_USED, "IM Used");
-
-    /// 300 Multiple Choices
-    /// [[RFC9110, Section 15.4.1](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.1)]
-    (300, MULTIPLE_CHOICES, "Multiple Choices");
-    /// 301 Moved Permanently
-    /// [[RFC9110, Section 15.4.2](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.2)]
-    (301, MOVED_PERMANENTLY, "Moved Permanently");
-    /// 302 Found
-    /// [[RFC9110, Section 15.4.3](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.3)]
-    (302, FOUND, "Found");
-    /// 303 See Other
-    /// [[RFC9110, Section 15.4.4](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.4)]
-    (303, SEE_OTHER, "See Other");
-    /// 304 Not Modified
-    /// [[RFC9110, Section 15.4.5](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.5)]
-    (304, NOT_MODIFIED, "Not Modified");
-    /// 305 Use Proxy
-    /// [[RFC9110, Section 15.4.6](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.6)]
-    (305, USE_PROXY, "Use Proxy");
-    /// 307 Temporary Redirect
-    /// [[RFC9110, Section 15.4.7](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.7)]
-    (307, TEMPORARY_REDIRECT, "Temporary Redirect");
-    /// 308 Permanent Redirect
-    /// [[RFC9110, Section 15.4.8](https://datatracker.ietf.org/doc/html/rfc9110#section-15.4.8)]
-    (308, PERMANENT_REDIRECT, "Permanent Redirect");
-
-    /// 400 Bad Request
-    /// [[RFC9110, Section 15.5.1](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.1)]
-    (400, BAD_REQUEST, "Bad Request");
-    /// 401 Unauthorized
-    /// [[RFC9110, Section 15.5.2](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.2)]
-    (401, UNAUTHORIZED, "Unauthorized");
-    /// 402 Payment Required
-    /// [[RFC9110, Section 15.5.3](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.3)]
-    (402, PAYMENT_REQUIRED, "Payment Required");
-    /// 403 Forbidden
-    /// [[RFC9110, Section 15.5.4](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.4)]
-    (403, FORBIDDEN, "Forbidden");
-    /// 404 Not Found
-    /// [[RFC9110, Section 15.5.5](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.5)]
-    (404, NOT_FOUND, "Not Found");
-    /// 405 Method Not Allowed
-    /// [[RFC9110, Section 15.5.6](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.6)]
-    (405, METHOD_NOT_ALLOWED, "Method Not Allowed");
-    /// 406 Not Acceptable
-    /// [[RFC9110, Section 15.5.7](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.7)]
-    (406, NOT_ACCEPTABLE, "Not Acceptable");
-    /// 407 Proxy Authentication Required
-    /// [[RFC9110, Section 15.5.8](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.8)]
-    (407, PROXY_AUTHENTICATION_REQUIRED, "Proxy Authentication Required");
-    /// 408 Request Timeout
-    /// [[RFC9110, Section 15.5.9](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.9)]
-    (408, REQUEST_TIMEOUT, "Request Timeout");
-    /// 409 Conflict
-    /// [[RFC9110, Section 15.5.10](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.10)]
-    (409, CONFLICT, "Conflict");
-    /// 410 Gone
-    /// [[RFC9110, Section 15.5.11](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.11)]
-    (410, GONE, "Gone");
-    /// 411 Length Required
-    /// [[RFC9110, Section 15.5.12](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.12)]
-    (411, LENGTH_REQUIRED, "Length Required");
-    /// 412 Precondition Failed
-    /// [[RFC9110, Section 15.5.13](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.13)]
-    (412, PRECONDITION_FAILED, "Precondition Failed");
-    /// 413 Payload Too Large
-    /// [[RFC9110, Section 15.5.14](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.14)]
-    (413, PAYLOAD_TOO_LARGE, "Payload Too Large");
-    /// 414 URI Too Long
-    /// [[RFC9110, Section 15.5.15](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.15)]
-    (414, URI_TOO_LONG, "URI Too Long");
-    /// 415 Unsupported Media Type
-    /// [[RFC9110, Section 15.5.16](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.16)]
-    (415, UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type");
-    /// 416 Range Not Satisfiable
-    /// [[RFC9110, Section 15.5.17](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.17)]
-    (416, RANGE_NOT_SATISFIABLE, "Range Not Satisfiable");
-    /// 417 Expectation Failed
-    /// [[RFC9110, Section 15.5.18](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.18)]
-    (417, EXPECTATION_FAILED, "Expectation Failed");
-    /// 418 I'm a teapot
-    /// [curiously not registered by IANA but [RFC2324, Section 2.3.2](https://datatracker.ietf.org/doc/html/rfc2324#section-2.3.2)]
-    (418, IM_A_TEAPOT, "I'm a teapot");
-
-    /// 421 Misdirected Request
-    /// [[RFC9110, Section 15.5.20](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.20)]
-    (421, MISDIRECTED_REQUEST, "Misdirected Request");
-    /// 422 Unprocessable Entity
-    /// [[RFC9110, Section 15.5.21](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.21)]
-    (422, UNPROCESSABLE_ENTITY, "Unprocessable Entity");
-    /// 423 Locked
-    /// [[RFC4918, Section 11.3](https://datatracker.ietf.org/doc/html/rfc4918#section-11.3)]
-    (423, LOCKED, "Locked");
-    /// 424 Failed Dependency
-    /// [[RFC4918, Section 11.4](https://tools.ietf.org/html/rfc4918#section-11.4)]
-    (424, FAILED_DEPENDENCY, "Failed Dependency");
-
-    /// 425 Too early
-    /// [[RFC8470, Section 5.2](https://httpwg.org/specs/rfc8470.html#status)]
-    (425, TOO_EARLY, "Too Early");
-
-    /// 426 Upgrade Required
-    /// [[RFC9110, Section 15.5.22](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.22)]
-    (426, UPGRADE_REQUIRED, "Upgrade Required");
-
-    /// 428 Precondition Required
-    /// [[RFC6585, Section 3](https://datatracker.ietf.org/doc/html/rfc6585#section-3)]
-    (428, PRECONDITION_REQUIRED, "Precondition Required");
-    /// 429 Too Many Requests
-    /// [[RFC6585, Section 4](https://datatracker.ietf.org/doc/html/rfc6585#section-4)]
-    (429, TOO_MANY_REQUESTS, "Too Many Requests");
-
-    /// 431 Request Header Fields Too Large
-    /// [[RFC6585, Section 5](https://datatracker.ietf.org/doc/html/rfc6585#section-5)]
-    (431, REQUEST_HEADER_FIELDS_TOO_LARGE, "Request Header Fields Too Large");
-
-    /// 451 Unavailable For Legal Reasons
-    /// [[RFC7725, Section 3](https://tools.ietf.org/html/rfc7725#section-3)]
-    (451, UNAVAILABLE_FOR_LEGAL_REASONS, "Unavailable For Legal Reasons");
-
-    /// 500 Internal Server Error
-    /// [[RFC9110, Section 15.6.1](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.1)]
-    (500, INTERNAL_SERVER_ERROR, "Internal Server Error");
-    /// 501 Not Implemented
-    /// [[RFC9110, Section 15.6.2](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.2)]
-    (501, NOT_IMPLEMENTED, "Not Implemented");
-    /// 502 Bad Gateway
-    /// [[RFC9110, Section 15.6.3](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.3)]
-    (502, BAD_GATEWAY, "Bad Gateway");
-    /// 503 Service Unavailable
-    /// [[RFC9110, Section 15.6.4](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.4)]
-    (503, SERVICE_UNAVAILABLE, "Service Unavailable");
-    /// 504 Gateway Timeout
-    /// [[RFC9110, Section 15.6.5](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.5)]
-    (504, GATEWAY_TIMEOUT, "Gateway Timeout");
-    /// 505 HTTP Version Not Supported
-    /// [[RFC9110, Section 15.6.6](https://datatracker.ietf.org/doc/html/rfc9110#section-15.6.6)]
-    (505, HTTP_VERSION_NOT_SUPPORTED, "HTTP Version Not Supported");
-    /// 506 Variant Also Negotiates
-    /// [[RFC2295, Section 8.1](https://datatracker.ietf.org/doc/html/rfc2295#section-8.1)]
-    (506, VARIANT_ALSO_NEGOTIATES, "Variant Also Negotiates");
-    /// 507 Insufficient Storage
-    /// [[RFC4918, Section 11.5](https://datatracker.ietf.org/doc/html/rfc4918#section-11.5)]
-    (507, INSUFFICIENT_STORAGE, "Insufficient Storage");
-    /// 508 Loop Detected
-    /// [[RFC5842, Section 7.2](https://datatracker.ietf.org/doc/html/rfc5842#section-7.2)]
-    (508, LOOP_DETECTED, "Loop Detected");
-
-    /// 510 Not Extended
-    /// [[RFC2774, Section 7](https://datatracker.ietf.org/doc/html/rfc2774#section-7)]
-    (510, NOT_EXTENDED, "Not Extended");
-    /// 511 Network Authentication Required
-    /// [[RFC6585, Section 6](https://datatracker.ietf.org/doc/html/rfc6585#section-6)]
-    (511, NETWORK_AUTHENTICATION_REQUIRED, "Network Authentication Required");
-}
-
-impl InvalidStatusCode {
-    fn new() -> InvalidStatusCode {
-        InvalidStatusCode { _priv: () }
-    }
-}
-
-impl fmt::Debug for InvalidStatusCode {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        f.debug_struct("InvalidStatusCode")
-            // skip _priv noise
-            .finish()
-    }
-}
-
-impl fmt::Display for InvalidStatusCode {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.write_str("invalid status code")
-    }
-}
-
-impl Error for InvalidStatusCode {}
-
-// A string of packed 3-ASCII-digit status code values for the supported range
-// of [100, 999] (900 codes, 2700 bytes).
-const CODE_DIGITS: &str = "\
-100101102103104105106107108109110111112113114115116117118119\
-120121122123124125126127128129130131132133134135136137138139\
-140141142143144145146147148149150151152153154155156157158159\
-160161162163164165166167168169170171172173174175176177178179\
-180181182183184185186187188189190191192193194195196197198199\
-200201202203204205206207208209210211212213214215216217218219\
-220221222223224225226227228229230231232233234235236237238239\
-240241242243244245246247248249250251252253254255256257258259\
-260261262263264265266267268269270271272273274275276277278279\
-280281282283284285286287288289290291292293294295296297298299\
-300301302303304305306307308309310311312313314315316317318319\
-320321322323324325326327328329330331332333334335336337338339\
-340341342343344345346347348349350351352353354355356357358359\
-360361362363364365366367368369370371372373374375376377378379\
-380381382383384385386387388389390391392393394395396397398399\
-400401402403404405406407408409410411412413414415416417418419\
-420421422423424425426427428429430431432433434435436437438439\
-440441442443444445446447448449450451452453454455456457458459\
-460461462463464465466467468469470471472473474475476477478479\
-480481482483484485486487488489490491492493494495496497498499\
-500501502503504505506507508509510511512513514515516517518519\
-520521522523524525526527528529530531532533534535536537538539\
-540541542543544545546547548549550551552553554555556557558559\
-560561562563564565566567568569570571572573574575576577578579\
-580581582583584585586587588589590591592593594595596597598599\
-600601602603604605606607608609610611612613614615616617618619\
-620621622623624625626627628629630631632633634635636637638639\
-640641642643644645646647648649650651652653654655656657658659\
-660661662663664665666667668669670671672673674675676677678679\
-680681682683684685686687688689690691692693694695696697698699\
-700701702703704705706707708709710711712713714715716717718719\
-720721722723724725726727728729730731732733734735736737738739\
-740741742743744745746747748749750751752753754755756757758759\
-760761762763764765766767768769770771772773774775776777778779\
-780781782783784785786787788789790791792793794795796797798799\
-800801802803804805806807808809810811812813814815816817818819\
-820821822823824825826827828829830831832833834835836837838839\
-840841842843844845846847848849850851852853854855856857858859\
-860861862863864865866867868869870871872873874875876877878879\
-880881882883884885886887888889890891892893894895896897898899\
-900901902903904905906907908909910911912913914915916917918919\
-920921922923924925926927928929930931932933934935936937938939\
-940941942943944945946947948949950951952953954955956957958959\
-960961962963964965966967968969970971972973974975976977978979\
-980981982983984985986987988989990991992993994995996997998999";