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Filename : resolv.rbs
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# <!-- rdoc-file=lib/resolv.rb -->
# Resolv is a thread-aware DNS resolver library written in Ruby.  Resolv can
# handle multiple DNS requests concurrently without blocking the entire Ruby
# interpreter.
#
# See also resolv-replace.rb to replace the libc resolver with Resolv.
#
# Resolv can look up various DNS resources using the DNS module directly.
#
# Examples:
#
#     p Resolv.getaddress "www.ruby-lang.org"
#     p Resolv.getname "210.251.121.214"
#
#     Resolv::DNS.open do |dns|
#       ress = dns.getresources "www.ruby-lang.org", Resolv::DNS::Resource::IN::A
#       p ress.map(&:address)
#       ress = dns.getresources "ruby-lang.org", Resolv::DNS::Resource::IN::MX
#       p ress.map { |r| [r.exchange.to_s, r.preference] }
#     end
#
# ## Bugs
#
# *   NIS is not supported.
# *   /etc/nsswitch.conf is not supported.
#
%a{annotate:rdoc:source:from=lib/resolv.rb}
class Resolv
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_address(name, &block)
  # -->
  # Iterates over all IP addresses for `name`.
  #
  def self.each_address: (String name) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_name(address, &proc)
  # -->
  # Iterates over all hostnames for `address`.
  #
  def self.each_name: (String address) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddress(name)
  # -->
  # Looks up the first IP address for `name`.
  #
  def self.getaddress: (String name) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddresses(name)
  # -->
  # Looks up all IP address for `name`.
  #
  def self.getaddresses: (String name) -> Array[String]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getname(address)
  # -->
  # Looks up the hostname of `address`.
  #
  def self.getname: (String address) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getnames(address)
  # -->
  # Looks up all hostnames for `address`.
  #
  def self.getnames: (String address) -> Array[String]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_address(name) { |name| ... }
  # -->
  # Iterates over all IP addresses for `name`.
  #
  def each_address: (String name) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_name(address) { |name| ... }
  # -->
  # Iterates over all hostnames for `address`.
  #
  def each_name: (String name) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddress(name)
  # -->
  # Looks up the first IP address for `name`.
  #
  def getaddress: (String name) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddresses(name)
  # -->
  # Looks up all IP address for `name`.
  #
  def getaddresses: (String name) -> Array[String]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getname(address)
  # -->
  # Looks up the hostname of `address`.
  #
  def getname: (String address) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getnames(address)
  # -->
  # Looks up all hostnames for `address`.
  #
  def getnames: (String address) -> Array[String]

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(resolvers=(arg_not_set = true; nil), use_ipv6: (keyword_not_set = true; nil))
  # -->
  # Creates a new Resolv using `resolvers`.
  #
  # If `resolvers` is not given, a hash, or `nil`, uses a Hosts resolver and and a
  # DNS resolver.  If `resolvers` is a hash, uses the hash as configuration for
  # the DNS resolver.
  #
  def initialize: (?Resolv::Hosts | Resolv::DNS resolvers) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# Address Regexp to use for matching IP addresses.
#
Resolv::AddressRegex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Default resolver to use for Resolv class methods.
#
Resolv::DefaultResolver: Resolv

# <!-- rdoc-file=lib/resolv.rb -->
# Resolv::DNS is a DNS stub resolver.
#
# Information taken from the following places:
#
# *   STD0013
# *   RFC 1035
# *   ftp://ftp.isi.edu/in-notes/iana/assignments/dns-parameters
# *   etc.
#
class Resolv::DNS
  type ip_address = Resolv::IPv4 | Resolv::IPv6

  type dns_name = Name | String

  def self.allocate_request_id: (String host, Integer port) -> Integer

  def self.bind_random_port: (UDPSocket udpsock, ?String bind_host) -> void

  def self.free_request_id: (String host, Integer port, Integer id) -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - open(*args) { |dns| ... }
  # -->
  # Creates a new DNS resolver.  See Resolv::DNS.new for argument details.
  #
  # Yields the created DNS resolver to the block, if given, otherwise returns it.
  #
  def self.open: (*untyped args) -> instance
               | (*untyped args) { (instance) -> void } -> void

  def self.random: (Integer arg) -> (Integer | Float)

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - close()
  # -->
  # Closes the DNS resolver.
  #
  def close: () -> untyped

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_address(name) { |address| ... }
  # -->
  # Iterates over all IP addresses for `name` retrieved from the DNS resolver.
  #
  # `name` can be a Resolv::DNS::Name or a String.  Retrieved addresses will be a
  # Resolv::IPv4 or Resolv::IPv6
  #
  def each_address: (dns_name name) { (ip_address) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_name(address) { |name| ... }
  # -->
  # Iterates over all hostnames for `address` retrieved from the DNS resolver.
  #
  # `address` must be a Resolv::IPv4, Resolv::IPv6 or a String.  Retrieved names
  # will be Resolv::DNS::Name instances.
  #
  def each_name: (ip_address | dns_name address) { (Resolv::DNS::Name) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_resource(name, typeclass, &proc)
  # -->
  # Iterates over all `typeclass` DNS resources for `name`.  See #getresource for
  # argument details.
  #
  def each_resource: (dns_name name, singleton(Resolv::DNS::Query) typeclass) { (Resolv::DNS::Resource) -> void } -> void

  def extract_resources: (Resolv::DNS::Message msg, dns_name name, singleton(Resolv::DNS::Query) typeclass) { (Resolv::DNS::Resource) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - fetch_resource(name, typeclass) { |reply, reply_name| ... }
  # -->
  #
  def fetch_resource: (Resolv::DNS::Name name, singleton(Resolv::DNS::Query) typeclass) { (Resolv::DNS::Message, Resolv::DNS::Name) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddress(name)
  # -->
  # Gets the IP address of `name` from the DNS resolver.
  #
  # `name` can be a Resolv::DNS::Name or a String.  Retrieved address will be a
  # Resolv::IPv4 or Resolv::IPv6
  #
  def getaddress: (dns_name name) -> ip_address

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddresses(name)
  # -->
  # Gets all IP addresses for `name` from the DNS resolver.
  #
  # `name` can be a Resolv::DNS::Name or a String.  Retrieved addresses will be a
  # Resolv::IPv4 or Resolv::IPv6
  #
  def getaddresses: (dns_name name) -> Array[ip_address]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getname(address)
  # -->
  # Gets the hostname for `address` from the DNS resolver.
  #
  # `address` must be a Resolv::IPv4, Resolv::IPv6 or a String.  Retrieved name
  # will be a Resolv::DNS::Name.
  #
  def getname: (ip_address | dns_name address) -> Resolv::DNS::Name

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getnames(address)
  # -->
  # Gets all hostnames for `address` from the DNS resolver.
  #
  # `address` must be a Resolv::IPv4, Resolv::IPv6 or a String.  Retrieved names
  # will be Resolv::DNS::Name instances.
  #
  def getnames: (ip_address | dns_name address) -> Array[Resolv::DNS::Name]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getresource(name, typeclass)
  # -->
  # Look up the `typeclass` DNS resource of `name`.
  #
  # `name` must be a Resolv::DNS::Name or a String.
  #
  # `typeclass` should be one of the following:
  #
  # *   Resolv::DNS::Resource::IN::A
  # *   Resolv::DNS::Resource::IN::AAAA
  # *   Resolv::DNS::Resource::IN::ANY
  # *   Resolv::DNS::Resource::IN::CNAME
  # *   Resolv::DNS::Resource::IN::HINFO
  # *   Resolv::DNS::Resource::IN::MINFO
  # *   Resolv::DNS::Resource::IN::MX
  # *   Resolv::DNS::Resource::IN::NS
  # *   Resolv::DNS::Resource::IN::PTR
  # *   Resolv::DNS::Resource::IN::SOA
  # *   Resolv::DNS::Resource::IN::TXT
  # *   Resolv::DNS::Resource::IN::WKS
  #
  # Returned resource is represented as a Resolv::DNS::Resource instance, i.e.
  # Resolv::DNS::Resource::IN::A.
  #
  def getresource: (dns_name name, singleton(Resolv::DNS::Query) typeclass) -> Resolv::DNS::Resource

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getresources(name, typeclass)
  # -->
  # Looks up all `typeclass` DNS resources for `name`.  See #getresource for
  # argument details.
  #
  def getresources: (dns_name name, singleton(Resolv::DNS::Query) typeclass) -> Array[Resolv::DNS::Resource]

  def lazy_initialize: () -> untyped

  def make_tcp_requester: (String host, Integer port) -> Requester::TCP

  def make_udp_requester: () -> (Requester::ConnectedUDP | Requester::UnconnectedUDP)

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - timeouts=(values)
  # -->
  # Sets the resolver timeouts.  This may be a single positive number or an array
  # of positive numbers representing timeouts in seconds. If an array is
  # specified, a DNS request will retry and wait for each successive interval in
  # the array until a successful response is received.  Specifying `nil` reverts
  # to the default timeouts:
  # 5, second = 5 * 2 / nameserver_count, 2 * second, 4 * second
  # :   Example:
  #
  #         dns.timeouts = 3
  #
  def timeouts=: (Integer | Float | Array[Integer | Float] values) -> void

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(config_info=nil)
  # -->
  # Creates a new DNS resolver.
  #
  # `config_info` can be:
  #
  # nil
  # :   Uses /etc/resolv.conf.
  #
  # String
  # :   Path to a file using /etc/resolv.conf's format.
  #
  # Hash
  # :   Must contain :nameserver, :search and :ndots keys.
  #
  # :nameserver_port can be used to specify port number of nameserver address.
  # :raise_timeout_errors can be used to raise timeout errors as exceptions
  # instead of treating the same as an NXDOMAIN response.
  #
  # The value of :nameserver should be an address string or an array of address
  # strings.
  # *   :nameserver => '8.8.8.8'
  # *   :nameserver => ['8.8.8.8', '8.8.4.4']
  #
  # The value of :nameserver_port should be an array of pair of nameserver address
  # and port number.
  # *   :nameserver_port => [['8.8.8.8', 53], ['8.8.4.4', 53]]
  #
  # Example:
  #
  #     Resolv::DNS.new(:nameserver => ['210.251.121.21'],
  #                     :search => ['ruby-lang.org'],
  #                     :ndots => 1)
  #
  def initialize: (?String | Hash[Symbol, untyped] config_info) -> untyped

  def use_ipv6?: () -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# Default DNS Port
#
Resolv::DNS::Port: Integer

Resolv::DNS::RequestID: Hash[untyped, untyped]

Resolv::DNS::RequestIDMutex: Thread::Mutex

# <!-- rdoc-file=lib/resolv.rb -->
# Default DNS UDP packet size
#
Resolv::DNS::UDPSize: Integer

class Resolv::DNS::Config
  def self.default_config_hash: (?String filename) -> Hash[Symbol, untyped]

  def self.parse_resolv_conf: (String filename) -> Hash[Symbol, untyped]

  def generate_candidates: (String name) -> Array[Resolv::DNS::Name]

  def generate_timeouts: () -> Array[Integer | Float]

  def lazy_initialize: () -> void

  def nameserver_port: () -> Array[[ String, Integer ]]

  def resolv: (String name) { (Resolv::DNS::Name, Integer, String, Integer) -> void } -> void

  def single?: () -> [ String, Integer ]?

  def timeouts=: (Integer | Float | Array[Integer | Float] values) -> void

  private

  def initialize: (?String | Hash[Symbol, untyped] config_info) -> untyped
end

Resolv::DNS::Config::InitialTimeout: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates no such domain was found.
#
class Resolv::DNS::Config::NXDomain < Resolv::ResolvError
end

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates some other unhandled resolver error was encountered.
#
class Resolv::DNS::Config::OtherResolvError < Resolv::ResolvError
end

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates that the DNS response was unable to be decoded.
#
class Resolv::DNS::DecodeError < StandardError
end

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates that the DNS request was unable to be encoded.
#
class Resolv::DNS::EncodeError < StandardError
end

module Resolv::DNS::Label
  def self.split: (untyped arg) -> untyped
end

class Resolv::DNS::Label::Str
  def eql?: (Resolv::DNS::Label::Str other) -> bool

  def downcase: () -> String

  alias == eql?

  def hash: () -> Integer

  def inspect: () -> String

  def string: () -> String

  def to_s: () -> String

  private

  def initialize: (String string) -> untyped
end

class Resolv::DNS::Message
  def self.decode: (String m) -> instance

  def ==: (instance other) -> bool

  def aa: () -> Integer

  def aa=: (Integer) -> void

  def add_additional: (String name, Integer ttl, Resolv::DNS::Resource data) -> void

  def add_answer: (String name, Integer ttl, Resolv::DNS::Resource data) -> void

  def add_authority: (String name, Integer ttl, Resolv::DNS::Resource data) -> void

  def add_question: (String name, singleton(Resolv::DNS::Query) typeclass) -> void

  def additional: () -> Array[[ Resolv::DNS::Name, Integer, Resolv::DNS::Resource ]]

  def answer: () -> Array[[ Resolv::DNS::Name, Integer, Resolv::DNS::Resource ]]

  def authority: () -> Array[[ Resolv::DNS::Name, Integer, Resolv::DNS::Resource ]]

  def each_additional: () { (Resolv::DNS::Name, Integer, Resolv::DNS::Resource) -> void } -> void

  def each_answer: () { (Resolv::DNS::Name, Integer, Resolv::DNS::Resource) -> void } -> void

  def each_authority: () { (Resolv::DNS::Name, Integer, Resolv::DNS::Resource) -> void } -> void

  def each_question: () { (Resolv::DNS::Name, singleton(Resolv::DNS::Query)) -> void } -> void

  def each_resource: () { (Resolv::DNS::Name, Integer, Resolv::DNS::Resource) -> void } -> void

  def encode: () -> String

  def id: () -> Integer

  def id=: (Integer) -> void

  def opcode: () -> Integer

  def opcode=: (Integer) -> void

  def qr: () -> Integer

  def qr=: (Integer) -> void

  def question: () -> Array[[ Resolv::DNS::Name, singleton(Resolv::DNS::Resource) ]]

  def ra: () -> Integer

  def ra=: (Integer) -> void

  def rcode: () -> Integer

  def rcode=: (Integer) -> void

  def rd: () -> Integer

  def rd=: (Integer) -> void

  def tc: () -> Integer

  def tc=: (Integer) -> void

  private

  def initialize: (?Integer id) -> untyped
end

class Resolv::DNS::Message::MessageDecoder
  def get_bytes: (?Integer len) -> String

  def get_label: () -> Resolv::DNS::Label::Str

  def get_labels: () -> Array[Resolv::DNS::Label::Str]

  def get_length16: () { (Integer) -> Integer } -> Integer

  def get_name: () -> Resolv::DNS::Name

  def get_question: () -> Resolv::DNS::Query

  def get_rr: () -> [ Resolv::DNS::Name, Integer, Resolv::DNS::Resource ]

  def get_string: () -> String

  def get_string_list: () -> Array[String]

  def get_unpack: (String template) -> Array[untyped]

  def inspect: () -> String

  private

  def initialize: (String data) { (instance) -> void } -> untyped
end

class Resolv::DNS::Message::MessageEncoder
  def put_bytes: (string d) -> void

  def put_label: (_ToS d) -> void

  def put_labels: (Array[_ToS] d) -> void

  def put_length16: () { () -> void } -> void

  def put_name: (Resolv::DNS::Name d) -> void

  def put_pack: (String template, *untyped d) -> void

  def put_string: (String d) -> void

  def put_string_list: (_Each[String] ds) -> void

  def to_s: () -> untyped

  private

  def initialize: () -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# A representation of a DNS name.
#
class Resolv::DNS::Name
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  # Creates a new DNS name from `arg`.  `arg` can be:
  #
  # Name
  # :   returns `arg`.
  #
  # String
  # :   Creates a new Name.
  #
  def self.create: (Resolv::DNS::dns_name arg) -> untyped

  def ==: (instance other) -> bool

  def []: (Integer i) -> Resolv::DNS::Label::Str?

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - absolute?()
  # -->
  # True if this name is absolute.
  #
  def absolute?: () -> bool

  alias eql? ==

  def hash: () -> Integer

  def inspect: () -> String

  def length: () -> Integer

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - subdomain_of?(other)
  # -->
  # Returns true if `other` is a subdomain.
  #
  # Example:
  #
  #     domain = Resolv::DNS::Name.create("y.z")
  #     p Resolv::DNS::Name.create("w.x.y.z").subdomain_of?(domain) #=> true
  #     p Resolv::DNS::Name.create("x.y.z").subdomain_of?(domain) #=> true
  #     p Resolv::DNS::Name.create("y.z").subdomain_of?(domain) #=> false
  #     p Resolv::DNS::Name.create("z").subdomain_of?(domain) #=> false
  #     p Resolv::DNS::Name.create("x.y.z.").subdomain_of?(domain) #=> false
  #     p Resolv::DNS::Name.create("w.z").subdomain_of?(domain) #=> false
  #
  def subdomain_of?: (instance other) -> bool

  def to_a: () -> Array[Resolv::DNS::Label::Str]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - to_s()
  # -->
  # returns the domain name as a string.
  #
  # The domain name doesn't have a trailing dot even if the name object is
  # absolute.
  #
  # Example:
  #
  #     p Resolv::DNS::Name.create("x.y.z.").to_s #=> "x.y.z"
  #     p Resolv::DNS::Name.create("x.y.z").to_s #=> "x.y.z"
  #
  def to_s: () -> untyped

  private

  def initialize: (Array[Resolv::DNS::Label::Str] labels, ?bool absolute) -> untyped
end

module Resolv::DNS::OpCode
end

Resolv::DNS::OpCode::IQuery: Integer

Resolv::DNS::OpCode::Notify: Integer

Resolv::DNS::OpCode::Query: Integer

Resolv::DNS::OpCode::Status: Integer

Resolv::DNS::OpCode::Update: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# A DNS query abstract class.
#
class Resolv::DNS::Query
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void
end

module Resolv::DNS::RCode
end

Resolv::DNS::RCode::BADALG: Integer

Resolv::DNS::RCode::BADKEY: Integer

Resolv::DNS::RCode::BADMODE: Integer

Resolv::DNS::RCode::BADNAME: Integer

Resolv::DNS::RCode::BADSIG: Integer

Resolv::DNS::RCode::BADTIME: Integer

Resolv::DNS::RCode::BADVERS: Integer

Resolv::DNS::RCode::FormErr: Integer

Resolv::DNS::RCode::NXDomain: Integer

Resolv::DNS::RCode::NXRRSet: Integer

Resolv::DNS::RCode::NoError: Integer

Resolv::DNS::RCode::NotAuth: Integer

Resolv::DNS::RCode::NotImp: Integer

Resolv::DNS::RCode::NotZone: Integer

Resolv::DNS::RCode::Refused: Integer

Resolv::DNS::RCode::ServFail: Integer

Resolv::DNS::RCode::YXDomain: Integer

Resolv::DNS::RCode::YXRRSet: Integer

class Resolv::DNS::Requester
  def close: () -> void

  def request: (Resolv::DNS::Requester::Sender sender, Numeric tout) -> [ Resolv::DNS::Message, String ]

  def sender_for: (String addr, Resolv::DNS::Message msg) -> Resolv::DNS::Requester::Sender

  private

  def initialize: () -> untyped
end

class Resolv::DNS::Requester::ConnectedUDP < Resolv::DNS::Requester
  def close: () -> void

  def lazy_initialize: () -> void

  def recv_reply: (Array[UDPSocket] readable_socks) -> [ String, String ]

  def sender: (Resolv::DNS::Message msg, String data, ?String host, ?Integer port) -> Resolv::DNS::Requester::Sender

  private

  def initialize: (String host, ?Integer port) -> untyped
end

class Resolv::DNS::Requester::ConnectedUDP::Sender < Resolv::DNS::Requester::Sender
  def data: () -> String

  def send: () -> void
end

class Resolv::DNS::Requester::MDNSOneShot < Resolv::DNS::Requester::UnconnectedUDP
  def sender: (Resolv::DNS::Message msg, String data, ?String host, ?Integer port) -> Resolv::DNS::Requester::Sender

  def recv_reply: (Array[UDPSocket] readable_socks) -> [ String, String ]
end

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates a problem with the DNS request.
#
class Resolv::DNS::Requester::RequestError < StandardError
end

class Resolv::DNS::Requester::Sender
  private

  def initialize: (Resolv::DNS::Message msg, String data, Socket sock) -> untyped
end

class Resolv::DNS::Requester::TCP < Resolv::DNS::Requester
  def close: () -> untyped

  def recv_reply: (Array[TCPSocket] readable_socks) -> [ String, String ]

  def sender: (Resolv::DNS::Message msg, String data, ?String host, ?Integer port) -> Resolv::DNS::Requester::Sender

  private

  def initialize: (String host, ?Integer port) -> untyped
end

class Resolv::DNS::Requester::TCP::Sender < Resolv::DNS::Requester::Sender
  def data: () -> String

  def send: () -> void
end

class Resolv::DNS::Requester::UnconnectedUDP < Resolv::DNS::Requester
  def close: () -> void

  def lazy_initialize: () -> void

  def recv_reply: (Array[UDPSocket] readable_socks) -> [ String, String ]

  def sender: (Resolv::DNS::Message msg, String data, ?String host, ?Integer port) -> Resolv::DNS::Requester::Sender

  private

  def initialize: (*[ String, Integer ] nameserver_port) -> untyped
end

class Resolv::DNS::Requester::UnconnectedUDP::Sender < Resolv::DNS::Requester::Sender
  def data: () -> String

  def send: () -> void

  private

  def initialize: (Resolv::DNS::Message msg, String data, UDPSocket sock, String host, Integer port) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# A DNS resource abstract class.
#
class Resolv::DNS::Resource < Resolv::DNS::Query
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def self.get_class: (Integer type_value, Integer class_value) -> self

  def eql?: (Resolv::DNS::Resource other) -> bool

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  alias == eql?

  def hash: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # Remaining Time To Live for this Resource.
  #
  def ttl: () -> Integer
end

Resolv::DNS::Resource::ClassHash: Hash[[ Integer, Integer ], singleton(Resolv::DNS::Resource)]

Resolv::DNS::Resource::ClassInsensitiveTypes: Array[singleton(Resolv::DNS::Resource)]

Resolv::DNS::Resource::ClassValue: Integer?

# <!-- rdoc-file=lib/resolv.rb -->
# A Query type requesting any RR.
#
class Resolv::DNS::Resource::ANY < Resolv::DNS::Query
end

Resolv::DNS::Resource::ANY::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# The canonical name for an alias.
#
class Resolv::DNS::Resource::CNAME < Resolv::DNS::Resource::DomainName
end

Resolv::DNS::Resource::CNAME::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Domain Name resource abstract class.
#
class Resolv::DNS::Resource::DomainName < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # The name of this DomainName.
  #
  def name: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(name)
  # -->
  # Creates a new DomainName from `name`.
  #
  def initialize: (String name) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# A generic resource abstract class.
#
class Resolv::DNS::Resource::Generic < Resolv::DNS::Resource
  def self.create: (Integer type_value, Integer class_value) -> Class

  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # Data for this generic resource.
  #
  def data: () -> String

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(data)
  # -->
  # Creates a new generic resource.
  #
  def initialize: (String data) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# Host Information resource.
#
class Resolv::DNS::Resource::HINFO < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # CPU architecture for this resource.
  #
  def cpu: () -> String

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # Operating system for this resource.
  #
  def os: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(cpu, os)
  # -->
  # Creates a new HINFO running `os` on `cpu`.
  #
  def initialize: (String cpu, String os) -> untyped
end

Resolv::DNS::Resource::HINFO::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# module IN contains ARPA Internet specific RRs.
#
module Resolv::DNS::Resource::IN
end

Resolv::DNS::Resource::IN::ClassValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# IPv4 Address resource
#
class Resolv::DNS::Resource::IN::A < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # The Resolv::IPv4 address for this A.
  #
  def address: () -> Resolv::IPv4

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(address)
  # -->
  # Creates a new A for `address`.
  #
  def initialize: (String | Resolv::IPv4 address) -> untyped
end

Resolv::DNS::Resource::IN::A::ClassValue: Integer

Resolv::DNS::Resource::IN::A::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# An IPv6 address record.
#
class Resolv::DNS::Resource::IN::AAAA < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # The Resolv::IPv6 address for this AAAA.
  #
  def address: () -> Resolv::IPv6

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(address)
  # -->
  # Creates a new AAAA for `address`.
  #
  def initialize: (String | Resolv::IPv6 address) -> untyped
end

Resolv::DNS::Resource::IN::AAAA::ClassValue: Integer

Resolv::DNS::Resource::IN::AAAA::TypeValue: Integer

class Resolv::DNS::Resource::IN::ANY < Resolv::DNS::Resource::ANY
end

Resolv::DNS::Resource::IN::ANY::ClassValue: Integer

Resolv::DNS::Resource::IN::ANY::TypeValue: Integer

class Resolv::DNS::Resource::IN::CNAME < Resolv::DNS::Resource::CNAME
end

Resolv::DNS::Resource::IN::CNAME::ClassValue: Integer

Resolv::DNS::Resource::IN::CNAME::TypeValue: Integer

class Resolv::DNS::Resource::IN::HINFO < Resolv::DNS::Resource::HINFO
end

Resolv::DNS::Resource::IN::HINFO::ClassValue: Integer

Resolv::DNS::Resource::IN::HINFO::TypeValue: Integer

class Resolv::DNS::Resource::IN::LOC < Resolv::DNS::Resource::LOC
end

Resolv::DNS::Resource::IN::LOC::ClassValue: Integer

Resolv::DNS::Resource::IN::LOC::TypeValue: Integer

class Resolv::DNS::Resource::IN::MINFO < Resolv::DNS::Resource::MINFO
end

Resolv::DNS::Resource::IN::MINFO::ClassValue: Integer

Resolv::DNS::Resource::IN::MINFO::TypeValue: Integer

class Resolv::DNS::Resource::IN::MX < Resolv::DNS::Resource::MX
end

Resolv::DNS::Resource::IN::MX::ClassValue: Integer

Resolv::DNS::Resource::IN::MX::TypeValue: Integer

class Resolv::DNS::Resource::IN::NS < Resolv::DNS::Resource::NS
end

Resolv::DNS::Resource::IN::NS::ClassValue: Integer

Resolv::DNS::Resource::IN::NS::TypeValue: Integer

class Resolv::DNS::Resource::IN::PTR < Resolv::DNS::Resource::PTR
end

Resolv::DNS::Resource::IN::PTR::ClassValue: Integer

Resolv::DNS::Resource::IN::PTR::TypeValue: Integer

class Resolv::DNS::Resource::IN::SOA < Resolv::DNS::Resource::SOA
end

Resolv::DNS::Resource::IN::SOA::ClassValue: Integer

Resolv::DNS::Resource::IN::SOA::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# SRV resource record defined in RFC 2782
#
# These records identify the hostname and port that a service is available at.
#
class Resolv::DNS::Resource::IN::SRV < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # The port on this target host of this service.
  #
  # The range is 0-65535.
  #
  def port: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The priority of this target host.
  #
  # A client MUST attempt to contact the target host with the lowest-numbered
  # priority it can reach; target hosts with the same priority SHOULD be tried in
  # an order defined by the weight field. The range is 0-65535.  Note that it is
  # not widely implemented and should be set to zero.
  #
  def priority: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The domain name of the target host.
  #
  # A target of "." means that the service is decidedly not available at this
  # domain.
  #
  def target: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # A server selection mechanism.
  #
  # The weight field specifies a relative weight for entries with the same
  # priority. Larger weights SHOULD be given a proportionately higher probability
  # of being selected. The range of this number is 0-65535.  Domain administrators
  # SHOULD use Weight 0 when there isn't any server selection to do, to make the
  # RR easier to read for humans (less noisy). Note that it is not widely
  # implemented and should be set to zero.
  #
  def weight: () -> Integer

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(priority, weight, port, target)
  # -->
  # Create a SRV resource record.
  #
  # See the documentation for #priority, #weight, #port and #target for
  # `priority`, `weight`, +port and `target` respectively.
  #
  def initialize: (Integer priority, Integer weight, Integer port, String target) -> untyped
end

Resolv::DNS::Resource::IN::SRV::ClassValue: Integer

Resolv::DNS::Resource::IN::SRV::TypeValue: Integer

class Resolv::DNS::Resource::IN::TXT < Resolv::DNS::Resource::TXT
end

Resolv::DNS::Resource::IN::TXT::ClassValue: Integer

Resolv::DNS::Resource::IN::TXT::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Well Known Service resource.
#
class Resolv::DNS::Resource::IN::WKS < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # The host these services run on.
  #
  def address: () -> Resolv::IPv4

  # <!-- rdoc-file=lib/resolv.rb -->
  # A bit map of enabled services on this host.
  #
  # If protocol is 6 (TCP) then the 26th bit corresponds to the SMTP service (port
  # 25).  If this bit is set, then an SMTP server should be listening on TCP port
  # 25; if zero, SMTP service is not supported.
  #
  def bitmap: () -> Integer

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # IP protocol number for these services.
  #
  def protocol: () -> Integer

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(address, protocol, bitmap)
  # -->
  #
  def initialize: (String | Resolv::IPv4 address, Integer protocol, Integer bitmap) -> untyped
end

Resolv::DNS::Resource::IN::WKS::ClassValue: Integer

Resolv::DNS::Resource::IN::WKS::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Location resource
#
class Resolv::DNS::Resource::LOC < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # The altitude of the LOC above a reference sphere whose surface sits 100km
  # below the WGS84 spheroid in centimeters as an unsigned 32bit integer
  #
  def altitude: () -> Integer

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # The horizontal precision using ssize type values in meters using scientific
  # notation as 2 integers of XeY for precision use value/2 e.g. 2m = +/-1m
  #
  def hprecision: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The latitude for this LOC where 2**31 is the equator in thousandths of an arc
  # second as an unsigned 32bit integer
  #
  def latitude: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The longitude for this LOC where 2**31 is the prime meridian in thousandths of
  # an arc second as an unsigned 32bit integer
  #
  def longitude: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The spherical size of this LOC in meters using scientific notation as 2
  # integers of XeY
  #
  def ssize: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # Returns the version value for this LOC record which should always be 00
  #
  def version: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The vertical precision using ssize type values in meters using scientific
  # notation as 2 integers of XeY for precision use value/2 e.g. 2m = +/-1m
  #
  def vprecision: () -> Integer

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(version, ssize, hprecision, vprecision, latitude, longitude, altitude)
  # -->
  #
  def initialize: (Integer version, Integer ssize, Integer hprecision, Integer vprecision, Integer latitude, Integer longitude, Integer altitude) -> untyped
end

Resolv::DNS::Resource::LOC::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Mailing list or mailbox information.
#
class Resolv::DNS::Resource::MINFO < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!-- rdoc-file=lib/resolv.rb -->
  # Mailbox to use for error messages related to the mail list or mailbox.
  #
  def emailbx: () -> String

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # Domain name responsible for this mail list or mailbox.
  #
  def rmailbx: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(rmailbx, emailbx)
  # -->
  #
  def initialize: (String rmailbx, String emailbx) -> untyped
end

Resolv::DNS::Resource::MINFO::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Mail Exchanger resource.
#
class Resolv::DNS::Resource::MX < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # The host of this MX.
  #
  def exchange: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # The preference for this MX.
  #
  def preference: () -> Integer

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(preference, exchange)
  # -->
  # Creates a new MX record with `preference`, accepting mail at `exchange`.
  #
  def initialize: (Integer preference, String exchange) -> untyped
end

Resolv::DNS::Resource::MX::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# An authoritative name server.
#
class Resolv::DNS::Resource::NS < Resolv::DNS::Resource::DomainName
end

Resolv::DNS::Resource::NS::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# A Pointer to another DNS name.
#
class Resolv::DNS::Resource::PTR < Resolv::DNS::Resource::DomainName
end

Resolv::DNS::Resource::PTR::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Start Of Authority resource.
#
class Resolv::DNS::Resource::SOA < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # Time in seconds that a secondary name server is to use the data before
  # refreshing from the primary name server.
  #
  def expire: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The minimum number of seconds to be used for TTL values in RRs.
  #
  def minimum: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # Name of the host where the master zone file for this zone resides.
  #
  def mname: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # How often, in seconds, a secondary name server is to check for updates from
  # the primary name server.
  #
  def refresh: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # How often, in seconds, a secondary name server is to retry after a failure to
  # check for a refresh.
  #
  def retry: () -> Integer

  # <!-- rdoc-file=lib/resolv.rb -->
  # The person responsible for this domain name.
  #
  def rname: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # The version number of the zone file.
  #
  def serial: () -> Integer

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(mname, rname, serial, refresh, retry_, expire, minimum)
  # -->
  # Creates a new SOA record.  See the attr documentation for the details of each
  # argument.
  #
  def initialize: (String mname, String rname, Integer serial, Integer refresh, Integer retry_, Integer expire, Integer minimum) -> untyped
end

Resolv::DNS::Resource::SOA::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Unstructured text resource.
#
class Resolv::DNS::Resource::TXT < Resolv::DNS::Resource
  def self.decode_rdata: (Resolv::DNS::Message::MessageDecoder msg) -> instance

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - data()
  # -->
  # Returns the concatenated string from `strings`.
  #
  def data: () -> String

  def encode_rdata: (Resolv::DNS::Message::MessageEncoder msg) -> void

  # <!-- rdoc-file=lib/resolv.rb -->
  # Returns an Array of Strings for this TXT record.
  #
  def strings: () -> Array[String]

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(first_string, *rest_strings)
  # -->
  #
  def initialize: (String first_string, *String rest_strings) -> untyped
end

Resolv::DNS::Resource::TXT::TypeValue: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Resolv::Hosts is a hostname resolver that uses the system hosts file.
#
class Resolv::Hosts
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_address(name, &proc)
  # -->
  # Iterates over all IP addresses for `name` retrieved from the hosts file.
  #
  def each_address: (String name) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_name(address, &proc)
  # -->
  # Iterates over all hostnames for `address` retrieved from the hosts file.
  #
  def each_name: (String address) { (String) -> void } -> void

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddress(name)
  # -->
  # Gets the IP address of `name` from the hosts file.
  #
  def getaddress: (String name) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getaddresses(name)
  # -->
  # Gets all IP addresses for `name` from the hosts file.
  #
  def getaddresses: (String name) -> Array[String]

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getname(address)
  # -->
  # Gets the hostname of `address` from the hosts file.
  #
  def getname: (String address) -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - getnames(address)
  # -->
  # Gets all hostnames for `address` from the hosts file.
  #
  def getnames: (String address) -> Array[String]

  def lazy_initialize: () -> void

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(filename = DefaultFileName)
  # -->
  # Creates a new Resolv::Hosts, using `filename` for its data source.
  #
  def initialize: (?String filename) -> untyped
end

Resolv::Hosts::DefaultFileName: String

# <!-- rdoc-file=lib/resolv.rb -->
# A Resolv::DNS IPv4 address.
#
class Resolv::IPv4
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  #
  def self.create: (String | instance arg) -> instance

  def ==: (instance other) -> bool

  # <!-- rdoc-file=lib/resolv.rb -->
  # The raw IPv4 address as a String.
  #
  def address: () -> String

  def eql?: (instance other) -> bool

  def hash: () -> Integer

  def inspect: () -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - to_name()
  # -->
  # Turns this IPv4 address into a Resolv::DNS::Name.
  #
  def to_name: () -> Resolv::DNS::Name

  def to_s: () -> String

  private

  def initialize: (String address) -> untyped
end

Resolv::IPv4::Regex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Regular expression IPv4 addresses must match.
#
Resolv::IPv4::Regex256: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# A Resolv::DNS IPv6 address.
#
class Resolv::IPv6
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  # Creates a new IPv6 address from `arg` which may be:
  #
  # IPv6
  # :   returns `arg`.
  #
  # String
  # :   `arg` must match one of the IPv6::Regex* constants
  #
  def self.create: (String | instance arg) -> instance

  def ==: (instance other) -> bool

  # <!-- rdoc-file=lib/resolv.rb -->
  # The raw IPv6 address as a String.
  #
  def address: () -> String

  def eql?: (instance other) -> bool

  def hash: () -> Integer

  def inspect: () -> String

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - to_name()
  # -->
  # Turns this IPv6 address into a Resolv::DNS::Name.
  #
  def to_name: () -> Resolv::DNS::Name

  def to_s: () -> String

  private

  def initialize: (untyped address) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# A composite IPv6 address Regexp.
#
Resolv::IPv6::Regex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# IPv4 mapped IPv6 address format a:b:c:d:e:f:w.x.y.z
#
Resolv::IPv6::Regex_6Hex4Dec: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# IPv6 address format a:b:c:d:e:f:g:h
#
Resolv::IPv6::Regex_8Hex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# IPv6 link local address format fe80:b:c:d:e:f:g:h%em1
#
Resolv::IPv6::Regex_8HexLinkLocal: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Compressed IPv6 address format a::b
#
Resolv::IPv6::Regex_CompressedHex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Compressed IPv4 mapped IPv6 address format a::b:w.x.y.z
#
Resolv::IPv6::Regex_CompressedHex4Dec: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Compressed IPv6 link local address format fe80::b%em1
#
Resolv::IPv6::Regex_CompressedHexLinkLocal: Regexp

module Resolv::LOC
end

# <!-- rdoc-file=lib/resolv.rb -->
# A Resolv::LOC::Alt
#
class Resolv::LOC::Alt
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  # Creates a new LOC::Alt from `arg` which may be:
  #
  # LOC::Alt
  # :   returns `arg`.
  #
  # String
  # :   `arg` must match the LOC::Alt::Regex constant
  #
  def self.create: (Resolv::LOC::Alt | String arg) -> instance

  def eql?: (Resolv::LOC::Alt other) -> bool

  # <!-- rdoc-file=lib/resolv.rb -->
  # The raw altitude
  #
  def altitude: () -> Integer

  alias == eql?

  def hash: () -> Integer

  def inspect: () -> String

  def to_s: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(altitude)
  # -->
  #
  def initialize: (Integer altitude) -> untyped
end

Resolv::LOC::Alt::Regex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# A Resolv::LOC::Coord
#
class Resolv::LOC::Coord
  type orientation = "lat" | "lon"

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  # Creates a new LOC::Coord from `arg` which may be:
  #
  # LOC::Coord
  # :   returns `arg`.
  #
  # String
  # :   `arg` must match the LOC::Coord::Regex constant
  #
  def self.create: (Resolv::LOC::Coord | String arg) -> instance

  def eql?: (Resolv::LOC::Coord other) -> bool

  # <!-- rdoc-file=lib/resolv.rb -->
  # The raw coordinates
  #
  def coordinates: () -> String

  alias == eql?

  def hash: () -> Integer

  def inspect: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # The orientation of the hemisphere as 'lat' or 'lon'
  #
  def orientation: () -> orientation

  def to_s: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(coordinates,orientation)
  # -->
  #
  def initialize: (String coordinates, orientation orientation) -> untyped
end

Resolv::LOC::Coord::Regex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# A Resolv::LOC::Size
#
class Resolv::LOC::Size
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - create(arg)
  # -->
  # Creates a new LOC::Size from `arg` which may be:
  #
  # LOC::Size
  # :   returns `arg`.
  #
  # String
  # :   `arg` must match the LOC::Size::Regex constant
  #
  def self.create: (Resolv::LOC::Size | String arg) -> instance

  def eql?: (Resolv::LOC::Size other) -> bool

  alias == eql?

  def hash: () -> Integer

  def inspect: () -> String

  # <!-- rdoc-file=lib/resolv.rb -->
  # The raw size
  #
  def scalar: () -> String

  def to_s: () -> String

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(scalar)
  # -->
  #
  def initialize: (String scalar) -> untyped
end

Resolv::LOC::Size::Regex: Regexp

# <!-- rdoc-file=lib/resolv.rb -->
# Resolv::MDNS is a one-shot Multicast DNS (mDNS) resolver.  It blindly makes
# queries to the mDNS addresses without understanding anything about multicast
# ports.
#
# Information taken form the following places:
#
# *   RFC 6762
#
class Resolv::MDNS < Resolv::DNS
  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - each_address(name)
  # -->
  # Iterates over all IP addresses for `name` retrieved from the mDNS resolver,
  # provided name ends with "local".  If the name does not end in "local" no
  # records will be returned.
  #
  # `name` can be a Resolv::DNS::Name or a String.  Retrieved addresses will be a
  # Resolv::IPv4 or Resolv::IPv6
  #
  def each_address: (Resolv::DNS::dns_name name) -> Resolv::DNS::ip_address

  def make_udp_requester: () -> (Resolv::DNS::Requester::ConnectedUDP | Resolv::DNS::Requester::UnconnectedUDP)

  private

  # <!--
  #   rdoc-file=lib/resolv.rb
  #   - new(config_info=nil)
  # -->
  # Creates a new one-shot Multicast DNS (mDNS) resolver.
  #
  # `config_info` can be:
  #
  # nil
  # :   Uses the default mDNS addresses
  #
  #
  # Hash
  # :   Must contain :nameserver or :nameserver_port like Resolv::DNS#initialize.
  #
  def initialize: (?String | Hash[Symbol, untyped] config_info) -> untyped
end

# <!-- rdoc-file=lib/resolv.rb -->
# Default IPv4 mDNS address
#
Resolv::MDNS::AddressV4: String

# <!-- rdoc-file=lib/resolv.rb -->
# Default IPv6 mDNS address
#
Resolv::MDNS::AddressV6: String

# <!-- rdoc-file=lib/resolv.rb -->
# Default mDNS addresses
#
Resolv::MDNS::Addresses: Array[untyped]

# <!-- rdoc-file=lib/resolv.rb -->
# Default mDNS Port
#
Resolv::MDNS::Port: Integer

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates a failure to resolve a name or address.
#
class Resolv::ResolvError < StandardError
end

# <!-- rdoc-file=lib/resolv.rb -->
# Indicates a timeout resolving a name or address.
#
class Resolv::ResolvTimeout < Timeout::Error
end