class BCDD::Result::Config
  include Singleton

  ADDON: Hash[Symbol, Hash[Symbol, untyped]]
  FEATURE: Hash[Symbol, Hash[Symbol, untyped]]
  PATTERN_MATCHING: Hash[Symbol, Hash[Symbol, untyped]]

  attr_reader addon: BCDD::Result::Config::Switcher
  attr_reader feature: BCDD::Result::Config::Switcher
  attr_reader constant_alias: BCDD::Result::Config::Switcher
  attr_reader pattern_matching: BCDD::Result::Config::Switcher

  def self.instance: -> BCDD::Result::Config

  def initialize: -> void

  def freeze: -> BCDD::Result::Config
  def options: -> Hash[Symbol, BCDD::Result::Config::Switcher]
  def to_h: -> Hash[Symbol, Hash[Symbol | String, bool]]
end

module BCDD::Result::Config::Options
  def self.with_defaults: (
    Hash[Symbol, Hash[Symbol, bool]],
    Symbol
  ) -> Hash[Symbol, bool]

  def self.select: (
    Hash[Symbol, Hash[Symbol, bool]],
    config: Symbol,
    from: Hash[Symbol, untyped]
  ) -> Hash[Symbol, untyped]

  def self.addon: (
    map: Hash[Symbol, Hash[Symbol, bool]],
    from: Hash[Symbol, Module]
  ) -> Hash[Symbol, Module]
end

class BCDD::Result::Config::Switcher
  private attr_reader _affects: Hash[Symbol | String, Array[String]]
  private attr_reader _options: Hash[Symbol | String, bool]
  private attr_reader listener: Proc

  def initialize: (
    options: Hash[Symbol | String, Hash[Symbol, untyped]],
    ?listener: Proc
  ) -> void

  def freeze: -> BCDD::Result::Config::Switcher

  def to_h: -> Hash[Symbol | String, bool]

  def options: -> Hash[Symbol | String, Hash[Symbol, untyped]]

  def enabled?: (Symbol | String) -> bool

  def enable!: (*(Symbol | String)) -> Hash[Symbol | String, Hash[Symbol, untyped]]

  def disable!: (*(Symbol | String)) -> Hash[Symbol | String, Hash[Symbol, untyped]]

  private

  def set_many: (Array[Symbol | String], to: bool) -> Hash[Symbol | String, Hash[Symbol, untyped]]

  def set_one: (Symbol | String, bool) -> void

  def require_option!: (Array[Symbol | String]) -> void

  def validate_option!: (Symbol | String) -> void

  def available_options_message: -> String
end

module BCDD::Result::Config::Addons
  AFFECTS: Array[String]
  OPTIONS: Hash[String, Hash[Symbol, untyped]]

  def self.switcher: -> BCDD::Result::Config::Switcher
end

module BCDD::Result::Config::ConstantAliases
  MAPPING: Hash[String, Hash[Symbol, untyped]]
  OPTIONS: Hash[String, Hash[Symbol, untyped]]
  Listener: Proc

  def self.switcher: -> BCDD::Result::Config::Switcher
end

module BCDD::Result::Config::Features
  OPTIONS: Hash[String, Hash[Symbol, untyped]]
  Listener: Proc

  def self.switcher: -> BCDD::Result::Config::Switcher
end

module BCDD::Result::Config::PatternMatching
  OPTIONS: Hash[String, Hash[Symbol, untyped]]

  def self.switcher: -> BCDD::Result::Config::Switcher
end