class Evergreen # Configuration for an instance of Evergreen class Configuration attr_accessor host: untyped attr_accessor default_username: untyped attr_accessor default_password: untyped attr_accessor read_only: untyped def initialize: (Hash[Symbol, (String | bool)]) -> void def configuration_complete: () -> untyped private def check_required_fields: () -> (nil | untyped) def field_is_empty: (untyped field_name) -> untyped end end