module Dyndnsd
  class Database
    extend Forwardable

    def initialize: (string db_file) -> void

    def load: () -> void

    def save: () -> void

    def changed?: () -> bool

    def []: (string key) -> untyped

    def []=: (string key, untyped value) -> void

    def each: () { (string key, untyped value) -> void } -> void

    def has_key?: (string key) -> bool
  end
end