module WEBrick
  CR: String

  LF: String

  CRLF: String

  module HTTPUtils
    def self?.normalize_path: (String path) -> String

    type mime_types = Hash[String, String]

    DefaultMimeTypes: mime_types

    def self?.load_mime_types: (string | _ToPath file) -> mime_types

    def self?.mime_type: (String filename, mime_types mime_tab) -> String

    class SplitHeader < Array[String]
      def join: (?String separator) -> String
    end

    class CookieHeader < Array[String]
      def join: (?String separator) -> String
    end

    HEADER_CLASSES: Hash[String, untyped]

    def self?.parse_header: (String raw) -> Hash[String, Array[String]]

    def self?.split_header_value: (String str) -> Array[String]

    def self?.parse_range_header: (String? ranges_specifier) -> Array[Range[Integer]]?

    def self?.parse_qvalues: (String? value) -> Array[String]

    def self?.dequote: (String str) -> String

    def self?.quote: (String str) -> String

    class FormData < String
      @raw_header: Array[String]

      @header: Hash[String, Array[String]]

      EmptyRawHeader: Array[String]

      EmptyHeader: Hash[String, Array[String]]

      attr_accessor name: String?

      attr_accessor filename: String?

      attr_accessor next_data: instance?

      def initialize: (*String args) -> void

      def []: (*String key) -> String
            # following is as same as String#[]
            | (int start, ?int length) -> String?
            | (range[int?] range) -> String?
            | (Regexp regexp, ?MatchData::capture backref) -> String?
            | (String substring) -> String?

      def <<: (String str) -> self

      def append_data: (instance data) -> self

      def each_data: () { (instance) -> void } -> void

      def list: () -> Array[String]

      alias to_ary list

      def to_s: () -> String
    end

    def self?.parse_query: (String? str) -> Hash[String, FormData]

    interface _EachLine
      def each_line: () { (String) -> void } -> void
    end

    def self?.parse_form_data: (_EachLine? io, interned boundary) -> Hash[String, FormData]

    def self?._make_regex: (String str) -> Regexp

    def self?._make_regex!: (String str) -> Regexp

    def self?._escape: (String str, Regexp regex) -> String

    def self?._unescape: (String str, Regexp regex) -> String

    UNESCAPED: Regexp

    UNESCAPED_FORM: Regexp

    NONASCII: Regexp

    ESCAPED: Regexp

    UNESCAPED_PCHAR: Regexp

    def self?.escape: (String str) -> String

    def self?.unescape: (String str) -> String

    def self?.escape_form: (String str) -> String

    def self?.unescape_form: (String str) -> String

    def self?.escape_path: (String str) -> String

    def self?.escape8bit: (String str) -> String
  end
end