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nixos/trust-dns: init
Co-authored-by: Yt <happysalada@tuta.io>
This commit is contained in:
Colin
Yt
parent
90b1aa3e4d
commit
e7059632c6
@ -24,6 +24,8 @@
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- [Apache Guacamole](https://guacamole.apache.org/), a cross-platform, clientless remote desktop gateway. Available as [services.guacamole-server](#opt-services.guacamole-server.enable) and [services.guacamole-client](#opt-services.guacamole-client.enable) services.
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- [trust-dns](https://trust-dns.org/), a Rust based DNS server built to be safe and secure from the ground up. Available as [services.trust-dns](#opt-services.trust-dns.enable).
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## Backward Incompatibilities {#sec-release-23.11-incompatibilities}
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- The `boot.loader.raspberryPi` options have been marked deprecated, with intent for removal for NixOS 24.11. They had a limited use-case, and do not work like people expect. They required either very old installs ([before mid-2019](https://github.com/NixOS/nixpkgs/pull/62462)) or customized builds out of scope of the standard and generic AArch64 support. That option set never supported the Raspberry Pi 4 family of devices.
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@ -1059,6 +1059,7 @@
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./services/networking/tox-node.nix
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./services/networking/toxvpn.nix
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./services/networking/trickster.nix
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./services/networking/trust-dns.nix
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./services/networking/tvheadend.nix
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./services/networking/twingate.nix
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./services/networking/ucarp.nix
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177
nixos/modules/services/networking/trust-dns.nix
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177
nixos/modules/services/networking/trust-dns.nix
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@ -0,0 +1,177 @@
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{ config, lib, pkgs, ... }:
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let
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cfg = config.services.trust-dns;
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toml = pkgs.formats.toml { };
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configFile = toml.generate "trust-dns.toml" (
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lib.filterAttrsRecursive (_: v: v != null) cfg.settings
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);
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zoneType = lib.types.submodule ({ config, ... }: {
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options = with lib; {
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zone = mkOption {
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type = types.str;
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description = mdDoc ''
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Zone name, like "example.com", "localhost", or "0.0.127.in-addr.arpa".
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'';
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};
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zone_type = mkOption {
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type = types.enum [ "Primary" "Secondary" "Hint" "Forward" ];
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default = "Primary";
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description = mdDoc ''
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One of:
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- "Primary" (the master, authority for the zone).
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- "Secondary" (the slave, replicated from the primary).
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- "Hint" (a cached zone with recursive resolver abilities).
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- "Forward" (a cached zone where all requests are forwarded to another resolver).
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For more details about these zone types, consult the documentation for BIND,
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though note that trust-dns supports only a subset of BIND's zone types:
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<https://bind9.readthedocs.io/en/v9_18_4/reference.html#type>
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'';
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};
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file = mkOption {
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type = types.either types.path types.str;
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default = "${config.zone}.zone";
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defaultText = literalExpression ''"''${config.zone}.zone"'';
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description = mdDoc ''
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Path to the .zone file.
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If not fully-qualified, this path will be interpreted relative to the `directory` option.
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If omitted, defaults to the value of the `zone` option suffixed with ".zone".
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'';
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};
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};
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});
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in
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{
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meta.maintainers = with lib.maintainers; [ colinsane ];
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options = {
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services.trust-dns = with lib; {
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enable = mkEnableOption (lib.mdDoc "trust-dns");
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package = mkOption {
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type = types.package;
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default = pkgs.trust-dns;
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defaultText = "pkgs.trust-dns";
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description = mdDoc ''
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Trust-dns package to use.
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Only `bin/named` need be provided: the other trust-dns utilities (client and resolver) are not needed.
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'';
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};
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quiet = mkOption {
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type = types.bool;
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default = false;
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description = mdDoc ''
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Log ERROR level messages only.
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This option is mutually exclusive with the `debug` option.
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If neither `quiet` nor `debug` are enabled, logging defaults to the INFO level.
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'';
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};
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debug = mkOption {
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type = types.bool;
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default = false;
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description = mdDoc ''
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Log DEBUG, INFO, WARN and ERROR messages.
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This option is mutually exclusive with the `debug` option.
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If neither `quiet` nor `debug` are enabled, logging defaults to the INFO level.
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'';
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};
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settings = mkOption {
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description = lib.mdDoc ''
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Settings for trust-dns. The options enumerated here are not exhaustive.
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Refer to upstream documentation for all available options:
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- [Example settings](https://github.com/bluejekyll/trust-dns/blob/main/tests/test-data/test_configs/example.toml)
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'';
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type = types.submodule {
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freeformType = toml.type;
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options = {
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listen_addrs_ipv4 = mkOption {
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type = types.listOf types.str;
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default = [ "0.0.0.0" ];
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description = mdDoc ''
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List of ipv4 addresses on which to listen for DNS queries.
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'';
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};
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listen_addrs_ipv6 = mkOption {
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type = types.listOf types.str;
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default = lib.optional config.networking.enableIPv6 "::0";
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defaultText = literalExpression ''lib.optional config.networking.enableIPv6 "::0"'';
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description = mdDoc ''
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List of ipv6 addresses on which to listen for DNS queries.
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'';
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};
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listen_port = mkOption {
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type = types.port;
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default = 53;
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description = mdDoc ''
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Port to listen on (applies to all listen addresses).
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'';
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};
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directory = mkOption {
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type = types.str;
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default = "/var/lib/trust-dns";
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description = mdDoc ''
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The directory in which trust-dns should look for .zone files,
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whenever zones aren't specified by absolute path.
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'';
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};
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zones = mkOption {
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description = mdDoc "List of zones to serve.";
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default = {};
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type = types.listOf (types.coercedTo types.str (zone: { inherit zone; }) zoneType);
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};
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};
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};
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};
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.services.trust-dns = {
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description = "trust-dns Domain Name Server";
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unitConfig.Documentation = "https://trust-dns.org/";
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serviceConfig = {
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ExecStart =
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let
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flags = (lib.optional cfg.debug "--debug") ++ (lib.optional cfg.quiet "--quiet");
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flagsStr = builtins.concatStringsSep " " flags;
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in ''
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${cfg.package}/bin/named --config ${configFile} ${flagsStr}
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'';
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Type = "simple";
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Restart = "on-failure";
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RestartSec = "10s";
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DynamicUser = true;
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StateDirectory = "trust-dns";
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ReadWritePaths = [ cfg.settings.directory ];
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AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
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CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateMounts = true;
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PrivateTmp = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
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ProtectSystem = "full";
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RemoveIPC = true;
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RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
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RestrictNamespaces = true;
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RestrictSUIDSGID = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
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};
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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};
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};
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}
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