diff --git a/lib/ruby/all/gem.rbi b/lib/ruby/all/gem.rbi
new file mode 100644
index 00000000..823107fe
--- /dev/null
+++ b/lib/ruby/all/gem.rbi
@@ -0,0 +1,4215 @@
+# typed: strong
+module Gem
+  ConfigMap = T.let(nil, T.untyped)
+  RbConfigPriorities = T.let(nil, T.untyped)
+  RubyGemsPackageVersion = T.let(nil, T.untyped)
+  RubyGemsVersion = T.let(nil, T.untyped)
+  USE_BUNDLER_FOR_GEMDEPS = T.let(nil, T.untyped)
+
+  def self._deprecated_detect_gemdeps(path = T.unsafe(nil)); end
+
+  def self._deprecated_gunzip(data); end
+
+  def self._deprecated_gzip(data); end
+
+  def self._deprecated_inflate(data); end
+
+  def self.activate_bin_path(name, *args); end
+
+  def self.default_ext_dir_for(base_dir); end
+
+  def self.default_gems_use_full_paths?; end
+
+  def self.default_spec_cache_dir; end
+
+  def self.deflate(data); end
+
+  def self.detect_gemdeps(*args, &block); end
+
+  def self.dir; end
+
+  def self.done_installing(&hook); end
+
+  def self.done_installing_hooks; end
+
+  def self.ensure_default_gem_subdirectories(dir = Gem.dir, mode = nil); end
+
+  def self.ensure_gem_subdirectories(dir = Gem.dir, mode = nil); end
+
+  def self.ensure_subdirectories(dir, mode, subdirs); end
+
+  def self.env_requirement(gem_name); end
+
+  def self.extension_api_version; end
+
+  def self.find_files(glob, check_load_path = true); end
+
+  def self.find_files_from_load_path(glob); end
+
+  def self.find_latest_files(glob, check_load_path = T.unsafe(nil)); end
+
+  def self.find_unresolved_default_spec(path); end
+
+  def self.finish_resolve(*_); end
+
+  def self.gemdeps; end
+
+  def self.gunzip(*args, &block); end
+
+  def self.gzip(*args, &block); end
+
+  def self.host; end
+
+  def self.host=(host); end
+
+  def self.inflate(*args, &block); end
+
+  def self.install(name, version = T.unsafe(nil), *options); end
+
+  def self.install_extension_in_lib; end
+
+  def self.latest_rubygems_version; end
+
+  def self.latest_spec_for(name); end
+
+  def self.latest_version_for(name); end
+
+  def self.load_env_plugins; end
+
+  def self.load_path_insert_index; end
+
+  def self.load_plugin_files(plugins); end
+
+  def self.load_plugins; end
+
+  def self.load_yaml; end
+
+  def self.loaded_specs; end
+
+  def self.location_of_caller(depth = T.unsafe(nil)); end
+
+  def self.marshal_version; end
+
+  def self.needs; end
+
+  def self.operating_system_defaults; end
+
+  def self.path; end
+
+  def self.path_separator; end
+
+  def self.paths; end
+
+  def self.paths=(env); end
+
+  def self.platform_defaults; end
+
+  def self.platforms; end
+
+  def self.platforms=(platforms); end
+
+  def self.post_build(&hook); end
+
+  def self.post_build_hooks; end
+
+  def self.post_install(&hook); end
+
+  def self.post_install_hooks; end
+
+  def self.post_reset(&hook); end
+
+  def self.post_reset_hooks; end
+
+  def self.post_uninstall(&hook); end
+
+  def self.post_uninstall_hooks; end
+
+  def self.pre_install(&hook); end
+
+  def self.pre_install_hooks; end
+
+  def self.pre_reset(&hook); end
+
+  def self.pre_reset_hooks; end
+
+  def self.pre_uninstall(&hook); end
+
+  def self.pre_uninstall_hooks; end
+
+  def self.prefix; end
+
+  def self.read_binary(path); end
+
+  def self.refresh; end
+
+  def self.register_default_spec(spec); end
+
+  def self.remove_unresolved_default_spec(spec); end
+
+  def self.ruby; end
+
+  def self.ruby_api_version; end
+
+  def self.ruby_engine; end
+
+  def self.ruby_version; end
+
+  def self.rubygems_version; end
+
+  def self.sources; end
+
+  def self.sources=(new_sources); end
+
+  def self.spec_cache_dir; end
+
+  def self.suffix_pattern; end
+
+  def self.suffixes; end
+
+  def self.time(msg, width = T.unsafe(nil), display = T.unsafe(nil)); end
+
+  def self.try_activate(path); end
+
+  def self.ui; end
+
+  def self.use_gemdeps(path = T.unsafe(nil)); end
+
+  def self.use_paths(home, *paths); end
+
+  def self.user_dir; end
+
+  def self.user_home; end
+
+  def self.vendor_dir; end
+
+  def self.win_platform?; end
+
+  def self.write_binary(path, data); end
+
+  class AvailableSet
+    include Enumerable
+    Elem = type_member(fixed: T.untyped)
+
+    def <<(o); end
+
+    def add(spec, source); end
+
+    def all_specs; end
+
+    def each(&blk); end
+
+    def each_spec; end
+
+    def empty?; end
+
+    def find_all(req); end
+
+    def inject_into_list(dep_list); end
+
+    def match_platform!; end
+
+    def pick_best!; end
+
+    def prefetch(reqs); end
+
+    def remote; end
+
+    def remote=(remote); end
+
+    def remove_installed!(dep); end
+
+    def set; end
+
+    def size; end
+
+    def sorted; end
+
+    def source_for(spec); end
+
+    def to_request_set(development = T.unsafe(nil)); end
+
+    class Tuple
+      def source; end
+
+      def source=(_); end
+
+      def spec; end
+
+      def spec=(_); end
+
+      def self.[](*_); end
+
+      def self.members; end
+    end
+  end
+
+  class BasicSpecification
+    def activated?; end
+
+    def base_dir; end
+
+    def base_dir=(base_dir); end
+
+    def contains_requirable_file?(file); end
+
+    def datadir; end
+
+    def default_gem?; end
+
+    def extension_dir; end
+
+    def extension_dir=(extension_dir); end
+
+    def extensions_dir; end
+
+    def full_gem_path; end
+
+    def full_gem_path=(full_gem_path); end
+
+    def full_name; end
+
+    def full_require_paths; end
+
+    def gem_build_complete_path; end
+
+    def gem_dir; end
+
+    def gems_dir; end
+
+    def ignored=(ignored); end
+
+    def internal_init; end
+
+    def lib_dirs_glob; end
+
+    def loaded_from; end
+
+    def loaded_from=(loaded_from); end
+
+    def matches_for_glob(glob); end
+
+    def name; end
+
+    def platform; end
+
+    def raw_require_paths; end
+
+    def require_paths; end
+
+    def source_paths; end
+
+    def stubbed?; end
+
+    def this; end
+
+    def to_fullpath(path); end
+
+    def to_spec; end
+
+    def version; end
+
+    def self.default_specifications_dir; end
+  end
+
+  module BundlerVersionFinder
+    def self.bundler_version; end
+
+    def self.bundler_version_with_reason; end
+
+    def self.compatible?(spec); end
+
+    def self.filter!(specs); end
+
+    def self.missing_version_message; end
+  end
+
+  class Command
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    HELP = T.let(nil, T.untyped)
+
+    def add_extra_args(args); end
+
+    def add_option(*opts, &handler); end
+
+    def arguments; end
+
+    def begins?(long, short); end
+
+    def command; end
+
+    def defaults; end
+
+    def defaults=(defaults); end
+
+    def defaults_str; end
+
+    def description; end
+
+    def execute; end
+
+    def get_all_gem_names; end
+
+    def get_all_gem_names_and_versions; end
+
+    def get_one_gem_name; end
+
+    def get_one_optional_argument; end
+
+    def handle_options(args); end
+
+    def handles?(args); end
+
+    def initialize(command, summary = T.unsafe(nil), defaults = T.unsafe(nil)); end
+
+    def invoke(*args); end
+
+    def invoke_with_build_args(args, build_args); end
+
+    def merge_options(new_options); end
+
+    def options; end
+
+    def program_name; end
+
+    def program_name=(program_name); end
+
+    def remove_option(name); end
+
+    def show_help; end
+
+    def show_lookup_failure(gem_name, version, errors, domain, required_by = T.unsafe(nil)); end
+
+    def summary; end
+
+    def summary=(summary); end
+
+    def usage; end
+
+    def when_invoked(&block); end
+
+    def self.add_common_option(*args, &handler); end
+
+    def self.add_specific_extra_args(cmd, args); end
+
+    def self.build_args; end
+
+    def self.build_args=(value); end
+
+    def self.common_options; end
+
+    def self.extra_args; end
+
+    def self.extra_args=(value); end
+
+    def self.specific_extra_args(cmd); end
+
+    def self.specific_extra_args_hash; end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+  end
+
+  module Commands
+  end
+
+  class ConfigFile
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    DEFAULT_BACKTRACE = T.let(nil, T.untyped)
+    DEFAULT_BULK_THRESHOLD = T.let(nil, T.untyped)
+    DEFAULT_CERT_EXPIRATION_LENGTH_DAYS = T.let(nil, T.untyped)
+    DEFAULT_CONCURRENT_DOWNLOADS = T.let(nil, T.untyped)
+    DEFAULT_UPDATE_SOURCES = T.let(nil, T.untyped)
+    DEFAULT_VERBOSITY = T.let(nil, T.untyped)
+    OPERATING_SYSTEM_DEFAULTS = T.let(nil, T.untyped)
+    PLATFORM_DEFAULTS = T.let(nil, T.untyped)
+    SYSTEM_CONFIG_PATH = T.let(nil, T.untyped)
+    SYSTEM_WIDE_CONFIG_FILE = T.let(nil, T.untyped)
+
+    def ==(other); end
+
+    def [](key); end
+
+    def []=(key, value); end
+
+    def api_keys; end
+
+    def args; end
+
+    def backtrace; end
+
+    def backtrace=(backtrace); end
+
+    def bulk_threshold; end
+
+    def bulk_threshold=(bulk_threshold); end
+
+    def cert_expiration_length_days; end
+
+    def cert_expiration_length_days=(cert_expiration_length_days); end
+
+    def check_credentials_permissions; end
+
+    def concurrent_downloads; end
+
+    def concurrent_downloads=(concurrent_downloads); end
+
+    def config_file_name; end
+
+    def credentials_path; end
+
+    def disable_default_gem_server; end
+
+    def disable_default_gem_server=(disable_default_gem_server); end
+
+    def each(&block); end
+
+    def handle_arguments(arg_list); end
+
+    def home; end
+
+    def home=(home); end
+
+    def initialize(args); end
+
+    def load_api_keys; end
+
+    def load_file(filename); end
+
+    def path; end
+
+    def path=(path); end
+
+    def really_verbose; end
+
+    def rubygems_api_key; end
+
+    def rubygems_api_key=(api_key); end
+
+    def set_api_key(host, api_key); end
+
+    def sources; end
+
+    def sources=(sources); end
+
+    def ssl_ca_cert; end
+
+    def ssl_ca_cert=(ssl_ca_cert); end
+
+    def ssl_client_cert; end
+
+    def ssl_verify_mode; end
+
+    def to_yaml; end
+
+    def unset_api_key!; end
+
+    def update_sources; end
+
+    def update_sources=(update_sources); end
+
+    def verbose; end
+
+    def verbose=(verbose); end
+
+    def write; end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+  end
+
+  class ConflictError
+    def conflicts; end
+
+    def initialize(target, conflicts); end
+
+    def target; end
+  end
+
+  class ConsoleUI
+    def initialize; end
+  end
+
+  module DefaultUserInteraction
+    include Gem::Text
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def self.ui; end
+
+    def self.ui=(new_ui); end
+
+    def self.use_ui(new_ui); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+  end
+
+  class Dependency
+    def ==(other); end
+
+    def ===(other); end
+
+    def =~(other); end
+
+    def all_sources; end
+
+    def all_sources=(all_sources); end
+
+    def encode_with(coder); end
+
+    def eql?(other); end
+
+    def groups; end
+
+    def groups=(groups); end
+
+    def initialize(name, *requirements); end
+
+    def latest_version?; end
+
+    def match?(obj, version = T.unsafe(nil), allow_prerelease = T.unsafe(nil)); end
+
+    def matches_spec?(spec); end
+
+    def matching_specs(platform_only = T.unsafe(nil)); end
+
+    def merge(other); end
+
+    def name; end
+
+    def name=(name); end
+
+    def prerelease=(prerelease); end
+
+    def prerelease?; end
+
+    def pretty_print(q); end
+
+    def requirement; end
+
+    def requirements_list; end
+
+    def runtime?; end
+
+    def source; end
+
+    def source=(source); end
+
+    def specific?; end
+
+    def to_lock; end
+
+    def to_spec; end
+
+    def to_specs; end
+
+    def to_yaml_properties; end
+
+    def type; end
+  end
+
+  class DependencyInstaller
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    extend Gem::Deprecate
+    DEFAULT_OPTIONS = T.let(nil, T.untyped)
+
+    def _deprecated_add_found_dependencies(to_do, dependency_list); end
+
+    def _deprecated_gather_dependencies; end
+
+    def add_found_dependencies(*args, &block); end
+
+    def available_set_for(dep_or_name, version); end
+
+    def consider_local?; end
+
+    def consider_remote?; end
+
+    def document; end
+
+    def errors; end
+
+    def find_gems_with_sources(dep, best_only = T.unsafe(nil)); end
+
+    def find_spec_by_name_and_version(gem_name, version = T.unsafe(nil), prerelease = T.unsafe(nil)); end
+
+    def gather_dependencies(*args, &block); end
+
+    def in_background(what); end
+
+    def initialize(options = T.unsafe(nil)); end
+
+    def install(dep_or_name, version = T.unsafe(nil)); end
+
+    def install_development_deps; end
+
+    def installed_gems; end
+
+    def resolve_dependencies(dep_or_name, version); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+  end
+
+  class DependencyList
+    include Enumerable
+    include TSort
+    Elem = type_member(fixed: T.untyped)
+
+    def add(*gemspecs); end
+
+    def clear; end
+
+    def dependency_order; end
+
+    def development; end
+
+    def development=(development); end
+
+    def each(&block); end
+
+    def find_name(full_name); end
+
+    def initialize(development = T.unsafe(nil)); end
+
+    def ok?; end
+
+    def ok_to_remove?(full_name, check_dev = T.unsafe(nil)); end
+
+    def remove_by_name(full_name); end
+
+    def remove_specs_unsatisfied_by(dependencies); end
+
+    def spec_predecessors; end
+
+    def specs; end
+
+    def tsort_each_node(&block); end
+
+    def why_not_ok?(quick = T.unsafe(nil)); end
+
+    def self.from_specs; end
+  end
+
+  class DependencyResolutionError
+    def conflict; end
+
+    def conflicting_dependencies; end
+
+    def initialize(conflict); end
+  end
+
+  module Deprecate
+    def self.deprecate(name, repl, year, month); end
+
+    def self.skip; end
+
+    def self.skip=(v); end
+
+    def self.skip_during; end
+  end
+
+  class Exception
+    extend Gem::Deprecate
+
+    def _deprecated_source_exception; end
+
+    def source_exception(*args, &block); end
+
+    def source_exception=(source_exception); end
+  end
+
+  module Ext
+    class BuildError
+    end
+
+    class Builder
+      include Gem::UserInteraction
+      include Gem::DefaultUserInteraction
+      include Gem::Text
+      CHDIR_MONITOR = T.let(nil, T.untyped)
+      CHDIR_MUTEX = T.let(nil, T.untyped)
+
+      def build_args; end
+
+      def build_args=(build_args); end
+
+      def build_error(build_dir, output, backtrace = T.unsafe(nil)); end
+
+      def build_extension(extension, dest_path); end
+
+      def build_extensions; end
+
+      def builder_for(extension); end
+
+      def initialize(spec, build_args = T.unsafe(nil)); end
+
+      def write_gem_make_out(output); end
+
+      def self.class_name; end
+
+      def self.make(dest_path, results); end
+
+      def self.redirector; end
+
+      def self.run(command, results, command_name = T.unsafe(nil)); end
+
+      def clean_text(text); end
+
+      def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+      def levenshtein_distance(str1, str2); end
+
+      def min3(a, b, c); end
+
+      def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+      def ui; end
+
+      def ui=(new_ui); end
+
+      def use_ui(new_ui, &block); end
+
+      def alert(statement, question = T.unsafe(nil)); end
+
+      def alert_error(statement, question = T.unsafe(nil)); end
+
+      def alert_warning(statement, question = T.unsafe(nil)); end
+
+      def ask(question); end
+
+      def ask_for_password(prompt); end
+
+      def ask_yes_no(question, default = T.unsafe(nil)); end
+
+      def choose_from_list(question, list); end
+
+      def say(statement = T.unsafe(nil)); end
+
+      def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+      def verbose(msg = T.unsafe(nil)); end
+    end
+
+    class CmakeBuilder
+      def self.build(extension, dest_path, results, args = T.unsafe(nil), lib_dir = T.unsafe(nil)); end
+    end
+
+    class ConfigureBuilder
+      def self.build(extension, dest_path, results, args = T.unsafe(nil), lib_dir = T.unsafe(nil)); end
+    end
+
+    class ExtConfBuilder
+      def self.build(extension, dest_path, results, args = T.unsafe(nil), lib_dir = T.unsafe(nil)); end
+
+      def self.get_relative_path(path); end
+    end
+
+    class RakeBuilder
+      def self.build(extension, dest_path, results, args = T.unsafe(nil), lib_dir = T.unsafe(nil)); end
+    end
+  end
+
+  class FilePermissionError
+    def directory; end
+
+    def initialize(directory); end
+  end
+
+  class FormatException
+    def file_path; end
+
+    def file_path=(file_path); end
+  end
+
+  class GemNotInHomeException
+    def spec; end
+
+    def spec=(spec); end
+  end
+
+  class ImpossibleDependenciesError
+    def build_message; end
+
+    def conflicts; end
+
+    def dependency; end
+
+    def initialize(request, conflicts); end
+
+    def request; end
+  end
+
+  class Installer
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    extend Gem::Deprecate
+    ENV_PATHS = T.let(nil, T.untyped)
+
+    def _deprecated_extension_build_error(build_dir, output, backtrace = T.unsafe(nil)); end
+
+    def app_script_text(bin_file_name); end
+
+    def bin_dir; end
+
+    def build_extensions; end
+
+    def build_root; end
+
+    def check_executable_overwrite(filename); end
+
+    def check_that_user_bin_dir_is_in_path; end
+
+    def default_spec_file; end
+
+    def dir; end
+
+    def ensure_dependencies_met; end
+
+    def ensure_dependency(spec, dependency); end
+
+    def ensure_loadable_spec; end
+
+    def ensure_required_ruby_version_met; end
+
+    def ensure_required_rubygems_version_met; end
+
+    def extension_build_error(*args, &block); end
+
+    def extract_bin; end
+
+    def extract_files; end
+
+    def formatted_program_filename(filename); end
+
+    def gem; end
+
+    def gem_dir; end
+
+    def gem_home; end
+
+    def generate_bin; end
+
+    def generate_bin_script(filename, bindir); end
+
+    def generate_bin_symlink(filename, bindir); end
+
+    def generate_windows_script(filename, bindir); end
+
+    def initialize(package, options = T.unsafe(nil)); end
+
+    def install; end
+
+    def installation_satisfies_dependency?(dependency); end
+
+    def installed_specs; end
+
+    def options; end
+
+    def pre_install_checks; end
+
+    def process_options; end
+
+    def run_post_build_hooks; end
+
+    def run_post_install_hooks; end
+
+    def run_pre_install_hooks; end
+
+    def shebang(bin_file_name); end
+
+    def spec; end
+
+    def spec_file; end
+
+    def unpack(directory); end
+
+    def verify_gem_home(unpack = T.unsafe(nil)); end
+
+    def verify_spec; end
+
+    def windows_stub_script(bindir, bin_file_name); end
+
+    def write_build_info_file; end
+
+    def write_cache_file; end
+
+    def write_default_spec; end
+
+    def write_spec; end
+
+    def self.at(path, options = T.unsafe(nil)); end
+
+    def self.exec_format; end
+
+    def self.exec_format=(exec_format); end
+
+    def self.for_spec(spec, options = T.unsafe(nil)); end
+
+    def self.install_lock; end
+
+    def self.path_warning; end
+
+    def self.path_warning=(path_warning); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+  end
+
+  class Licenses
+    extend Gem::Text
+    EXCEPTION_IDENTIFIERS = T.let(nil, T.untyped)
+    LICENSE_IDENTIFIERS = T.let(nil, T.untyped)
+    NONSTANDARD = T.let(nil, T.untyped)
+    REGEXP = T.let(nil, T.untyped)
+
+    def self.match?(license); end
+
+    def self.suggestions(license); end
+
+    def self.clean_text(text); end
+
+    def self.format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def self.levenshtein_distance(str1, str2); end
+
+    def self.min3(a, b, c); end
+
+    def self.truncate_text(text, description, max_length = T.unsafe(nil)); end
+  end
+
+  class List
+    def each(&blk); end
+
+    def initialize(value = T.unsafe(nil), tail = T.unsafe(nil)); end
+
+    def prepend(value); end
+
+    def pretty_print(q); end
+
+    def tail; end
+
+    def tail=(tail); end
+
+    def to_a; end
+
+    def value; end
+
+    def value=(value); end
+
+    def self.prepend(list, value); end
+  end
+
+  class LoadError
+    def name; end
+
+    def name=(name); end
+
+    def requirement; end
+
+    def requirement=(requirement); end
+  end
+
+  class MissingSpecError
+    def initialize(name, requirement); end
+  end
+
+  class MissingSpecVersionError
+    def initialize(name, requirement, specs); end
+
+    def specs; end
+  end
+
+  class NameTuple
+    include Comparable
+
+    def ==(other); end
+
+    def eql?(other); end
+
+    def full_name; end
+
+    def initialize(name, version, platform = T.unsafe(nil)); end
+
+    def match_platform?; end
+
+    def name; end
+
+    def platform; end
+
+    def prerelease?; end
+
+    def spec_name; end
+
+    def to_a; end
+
+    def version; end
+
+    def self.from_list(list); end
+
+    def self.null; end
+
+    def self.to_basic(list); end
+  end
+
+  class Package
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+
+    def add_checksums(tar); end
+
+    def add_contents(tar); end
+
+    def add_files(tar); end
+
+    def add_metadata(tar); end
+
+    def build(skip_validation = T.unsafe(nil), strict_validation = T.unsafe(nil)); end
+
+    def build_time; end
+
+    def build_time=(build_time); end
+
+    def checksums; end
+
+    def contents; end
+
+    def copy_to(path); end
+
+    def data_mode; end
+
+    def data_mode=(data_mode); end
+
+    def digest(entry); end
+
+    def dir_mode; end
+
+    def dir_mode=(dir_mode); end
+
+    def extract_files(destination_dir, pattern = T.unsafe(nil)); end
+
+    def extract_tar_gz(io, destination_dir, pattern = T.unsafe(nil)); end
+
+    def file_mode(mode); end
+
+    def files; end
+
+    def gzip_to(io); end
+
+    def initialize(gem, security_policy); end
+
+    def install_location(filename, destination_dir); end
+
+    def load_spec(entry); end
+
+    def mkdir_p_safe(mkdir, mkdir_options, destination_dir, file_name); end
+
+    def normalize_path(pathname); end
+
+    def open_tar_gz(io); end
+
+    def prog_mode; end
+
+    def prog_mode=(prog_mode); end
+
+    def read_checksums(gem); end
+
+    def security_policy; end
+
+    def security_policy=(security_policy); end
+
+    def setup_signer(signer_options: T.unsafe(nil)); end
+
+    def spec; end
+
+    def spec=(spec); end
+
+    def verify; end
+
+    def verify_checksums(digests, checksums); end
+
+    def verify_entry(entry); end
+
+    def verify_files(gem); end
+
+    def verify_gz(entry); end
+
+    def self.build(spec, skip_validation = T.unsafe(nil), strict_validation = T.unsafe(nil), file_name = T.unsafe(nil)); end
+
+    def self.new(gem, security_policy = T.unsafe(nil)); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+
+    class DigestIO
+      def digests; end
+
+      def initialize(io, digests); end
+
+      def write(data); end
+
+      def self.wrap(io, digests); end
+    end
+
+    class Error
+    end
+
+    class FileSource
+      def initialize(path); end
+
+      def path; end
+
+      def present?; end
+
+      def start; end
+
+      def with_read_io(&block); end
+
+      def with_write_io(&block); end
+    end
+
+    class FormatError
+      def initialize(message, source = T.unsafe(nil)); end
+
+      def path; end
+    end
+
+    class IOSource
+      def initialize(io); end
+
+      def io; end
+
+      def path; end
+
+      def present?; end
+
+      def start; end
+
+      def with_read_io; end
+
+      def with_write_io; end
+    end
+
+    class NonSeekableIO
+    end
+
+    class Old
+      def extract_files(destination_dir); end
+
+      def file_list(io); end
+
+      def read_until_dashes(io); end
+
+      def skip_ruby(io); end
+    end
+
+    class PathError
+      def initialize(destination, destination_dir); end
+    end
+
+    class Source
+    end
+
+    class TarHeader
+      EMPTY_HEADER = T.let(nil, T.untyped)
+      FIELDS = T.let(nil, T.untyped)
+      PACK_FORMAT = T.let(nil, T.untyped)
+      UNPACK_FORMAT = T.let(nil, T.untyped)
+
+      def ==(other); end
+
+      def checksum; end
+
+      def devmajor; end
+
+      def devminor; end
+
+      def empty?; end
+
+      def gid; end
+
+      def gname; end
+
+      def initialize(vals); end
+
+      def linkname; end
+
+      def magic; end
+
+      def mode; end
+
+      def mtime; end
+
+      def name; end
+
+      def prefix; end
+
+      def size; end
+
+      def typeflag; end
+
+      def uid; end
+
+      def uname; end
+
+      def update_checksum; end
+
+      def version; end
+
+      def self.from(stream); end
+
+      def self.strict_oct(str); end
+    end
+
+    class TarInvalidError
+    end
+
+    class TarReader
+      include Enumerable
+      Elem = type_member(fixed: T.untyped)
+
+      def close; end
+
+      def each(&blk); end
+
+      def each_entry; end
+
+      def initialize(io); end
+
+      def rewind; end
+
+      def seek(name); end
+
+      def self.new(io); end
+
+      class Entry
+        def bytes_read; end
+
+        def check_closed; end
+
+        def close; end
+
+        def closed?; end
+
+        def directory?; end
+
+        def eof?; end
+
+        def file?; end
+
+        def full_name; end
+
+        def getc; end
+
+        def header; end
+
+        def initialize(header, io); end
+
+        def length; end
+
+        def pos; end
+
+        def read(len = T.unsafe(nil)); end
+
+        def readpartial(maxlen = T.unsafe(nil), outbuf = T.unsafe(nil)); end
+
+        def rewind; end
+
+        def size; end
+
+        def symlink?; end
+      end
+
+      class UnexpectedEOF
+      end
+    end
+
+    class TarWriter
+      def add_file(name, mode); end
+
+      def add_file_digest(name, mode, digest_algorithms); end
+
+      def add_file_signed(name, mode, signer); end
+
+      def add_file_simple(name, mode, size); end
+
+      def add_symlink(name, target, mode); end
+
+      def check_closed; end
+
+      def close; end
+
+      def closed?; end
+
+      def flush; end
+
+      def initialize(io); end
+
+      def mkdir(name, mode); end
+
+      def split_name(name); end
+
+      def self.new(io); end
+
+      class BoundedStream
+        def initialize(io, limit); end
+
+        def limit; end
+
+        def write(data); end
+
+        def written; end
+      end
+
+      class FileOverflow
+      end
+
+      class RestrictedStream
+        def initialize(io); end
+
+        def write(data); end
+      end
+    end
+
+    class TooLongFileName
+    end
+  end
+
+  class PathSupport
+    def home; end
+
+    def initialize(env); end
+
+    def path; end
+
+    def spec_cache_dir; end
+  end
+
+  class Platform
+    JAVA = T.let(nil, T.untyped)
+    MINGW = T.let(nil, T.untyped)
+    MSWIN = T.let(nil, T.untyped)
+    MSWIN64 = T.let(nil, T.untyped)
+    X64_MINGW = T.let(nil, T.untyped)
+
+    def ==(other); end
+
+    def ===(other); end
+
+    def =~(other); end
+
+    def cpu; end
+
+    def cpu=(cpu); end
+
+    def eql?(other); end
+
+    def initialize(arch); end
+
+    def os; end
+
+    def os=(os); end
+
+    def to_a; end
+
+    def version; end
+
+    def version=(version); end
+
+    def self.installable?(spec); end
+
+    def self.local; end
+
+    def self.match(platform); end
+
+    def self.new(arch); end
+  end
+
+  class PlatformMismatch
+    def add_platform(platform); end
+
+    def initialize(name, version); end
+
+    def name; end
+
+    def platforms; end
+
+    def version; end
+
+    def wordy; end
+  end
+
+  class RemoteFetcher
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    BASE64_URI_TRANSLATE = T.let(nil, T.untyped)
+
+    def cache_update_path(uri, path = T.unsafe(nil), update = T.unsafe(nil)); end
+
+    def close_all; end
+
+    def correct_for_windows_path(path); end
+
+    def download(spec, source_uri, install_dir = T.unsafe(nil)); end
+
+    def download_to_cache(dependency); end
+
+    def fetch_file(uri, *_); end
+
+    def fetch_http(uri, last_modified = T.unsafe(nil), head = T.unsafe(nil), depth = T.unsafe(nil)); end
+
+    def fetch_https(uri, last_modified = T.unsafe(nil), head = T.unsafe(nil), depth = T.unsafe(nil)); end
+
+    def fetch_path(uri, mtime = T.unsafe(nil), head = T.unsafe(nil)); end
+
+    def fetch_s3(uri, mtime = T.unsafe(nil), head = T.unsafe(nil)); end
+
+    def fetch_size(uri); end
+
+    def headers; end
+
+    def headers=(headers); end
+
+    def https?(uri); end
+
+    def initialize(proxy = T.unsafe(nil), dns = T.unsafe(nil), headers = T.unsafe(nil)); end
+
+    def request(uri, request_class, last_modified = T.unsafe(nil)); end
+
+    def s3_expiration; end
+
+    def sign_s3_url(uri, expiration = T.unsafe(nil)); end
+
+    def self.fetcher; end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+  end
+
+  class Request
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+    extend Gem::UserInteraction
+    extend Gem::DefaultUserInteraction
+    extend Gem::Text
+
+    def cert_files; end
+
+    def connection_for(uri); end
+
+    def fetch; end
+
+    def initialize(uri, request_class, last_modified, pool); end
+
+    def perform_request(request); end
+
+    def proxy_uri; end
+
+    def reset(connection); end
+
+    def user_agent; end
+
+    def self.configure_connection_for_https(connection, cert_files); end
+
+    def self.create_with_proxy(uri, request_class, last_modified, proxy); end
+
+    def self.get_cert_files; end
+
+    def self.get_proxy_from_env(scheme = T.unsafe(nil)); end
+
+    def self.proxy_uri(proxy); end
+
+    def self.verify_certificate(store_context); end
+
+    def self.verify_certificate_message(error_number, cert); end
+
+    def self.clean_text(text); end
+
+    def self.format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def self.levenshtein_distance(str1, str2); end
+
+    def self.min3(a, b, c); end
+
+    def self.truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def self.ui; end
+
+    def self.ui=(new_ui); end
+
+    def self.use_ui(new_ui, &block); end
+
+    def self.alert(statement, question = T.unsafe(nil)); end
+
+    def self.alert_error(statement, question = T.unsafe(nil)); end
+
+    def self.alert_warning(statement, question = T.unsafe(nil)); end
+
+    def self.ask(question); end
+
+    def self.ask_for_password(prompt); end
+
+    def self.ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def self.choose_from_list(question, list); end
+
+    def self.say(statement = T.unsafe(nil)); end
+
+    def self.terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def self.verbose(msg = T.unsafe(nil)); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+
+    class ConnectionPools
+      def close_all; end
+
+      def initialize(proxy_uri, cert_files); end
+
+      def pool_for(uri); end
+
+      def self.client; end
+
+      def self.client=(client); end
+    end
+
+    class HTTPPool
+      def cert_files; end
+
+      def checkin(connection); end
+
+      def checkout; end
+
+      def close_all; end
+
+      def initialize(http_args, cert_files, proxy_uri); end
+
+      def proxy_uri; end
+    end
+
+    class HTTPSPool
+    end
+  end
+
+  class RequestSet
+    include TSort
+
+    def always_install; end
+
+    def always_install=(always_install); end
+
+    def dependencies; end
+
+    def development; end
+
+    def development=(development); end
+
+    def development_shallow; end
+
+    def development_shallow=(development_shallow); end
+
+    def errors; end
+
+    def gem(name, *reqs); end
+
+    def git_set; end
+
+    def ignore_dependencies; end
+
+    def ignore_dependencies=(ignore_dependencies); end
+
+    def import(deps); end
+
+    def initialize(*deps); end
+
+    def install(options, &block); end
+
+    def install_dir; end
+
+    def install_from_gemdeps(options, &block); end
+
+    def install_hooks(requests, options); end
+
+    def install_into(dir, force = T.unsafe(nil), options = T.unsafe(nil)); end
+
+    def load_gemdeps(path, without_groups = T.unsafe(nil), installing = T.unsafe(nil)); end
+
+    def prerelease; end
+
+    def prerelease=(prerelease); end
+
+    def pretty_print(q); end
+
+    def remote; end
+
+    def remote=(remote); end
+
+    def resolve(set = T.unsafe(nil)); end
+
+    def resolve_current; end
+
+    def resolver; end
+
+    def sets; end
+
+    def soft_missing; end
+
+    def soft_missing=(soft_missing); end
+
+    def sorted_requests; end
+
+    def source_set; end
+
+    def specs; end
+
+    def specs_in(dir); end
+
+    def tsort_each_node(&block); end
+
+    def vendor_set; end
+
+    class GemDependencyAPI
+      ENGINE_MAP = T.let(nil, T.untyped)
+      PLATFORM_MAP = T.let(nil, T.untyped)
+      VERSION_MAP = T.let(nil, T.untyped)
+      WINDOWS = T.let(nil, T.untyped)
+
+      def dependencies; end
+
+      def find_gemspec(name, path); end
+
+      def gem(name, *requirements); end
+
+      def gem_deps_file; end
+
+      def gem_git_reference(options); end
+
+      def gemspec(options = T.unsafe(nil)); end
+
+      def git(repository); end
+
+      def git_set; end
+
+      def git_source(name, &callback); end
+
+      def group(*groups); end
+
+      def initialize(set, path); end
+
+      def installing=(installing); end
+
+      def load; end
+
+      def platform(*platforms); end
+
+      def platforms(*platforms); end
+
+      def requires; end
+
+      def ruby(version, options = T.unsafe(nil)); end
+
+      def source(url); end
+
+      def vendor_set; end
+
+      def without_groups; end
+
+      def without_groups=(without_groups); end
+    end
+
+    class Lockfile
+      def add_DEPENDENCIES(out); end
+
+      def add_GEM(out, spec_groups); end
+
+      def add_GIT(out, git_requests); end
+
+      def add_PATH(out, path_requests); end
+
+      def add_PLATFORMS(out); end
+
+      def initialize(request_set, gem_deps_file, dependencies); end
+
+      def platforms; end
+
+      def relative_path_from(dest, base); end
+
+      def spec_groups; end
+
+      def write; end
+
+      def self.build(request_set, gem_deps_file, dependencies = T.unsafe(nil)); end
+
+      def self.requests_to_deps(requests); end
+
+      class ParseError
+        def column; end
+
+        def initialize(message, column, line, path); end
+
+        def line; end
+
+        def path; end
+      end
+
+      class Parser
+        def get(expected_types = T.unsafe(nil), expected_value = T.unsafe(nil)); end
+
+        def initialize(tokenizer, set, platforms, filename = T.unsafe(nil)); end
+
+        def parse; end
+
+        def parse_DEPENDENCIES; end
+
+        def parse_GEM; end
+
+        def parse_GIT; end
+
+        def parse_PATH; end
+
+        def parse_PLATFORMS; end
+
+        def parse_dependency(name, op); end
+      end
+
+      class Tokenizer
+        EOF = T.let(nil, T.untyped)
+
+        def empty?; end
+
+        def initialize(input, filename = T.unsafe(nil), line = T.unsafe(nil), pos = T.unsafe(nil)); end
+
+        def make_parser(set, platforms); end
+
+        def next_token; end
+
+        def peek; end
+
+        def shift; end
+
+        def skip(type); end
+
+        def to_a; end
+
+        def token_pos(byte_offset); end
+
+        def unshift(token); end
+
+        def self.from_file(file); end
+
+        class Token
+          def column; end
+
+          def column=(_); end
+
+          def line; end
+
+          def line=(_); end
+
+          def type; end
+
+          def type=(_); end
+
+          def value; end
+
+          def value=(_); end
+
+          def self.[](*_); end
+
+          def self.members; end
+        end
+      end
+    end
+  end
+
+  class Requirement
+    DefaultRequirement = T.let(nil, T.untyped)
+
+    def ==(other); end
+
+    def ===(version); end
+
+    def =~(version); end
+
+    def _tilde_requirements; end
+
+    def as_list; end
+
+    def concat(new); end
+
+    def encode_with(coder); end
+
+    def exact?; end
+
+    def for_lockfile; end
+
+    def init_with(coder); end
+
+    def initialize(*requirements); end
+
+    def marshal_dump; end
+
+    def marshal_load(array); end
+
+    def none?; end
+
+    def prerelease?; end
+
+    def pretty_print(q); end
+
+    def requirements; end
+
+    def satisfied_by?(version); end
+
+    def specific?; end
+
+    def to_yaml_properties; end
+
+    def yaml_initialize(tag, vals); end
+
+    def self.create(*inputs); end
+
+    def self.default; end
+
+    def self.parse(obj); end
+
+    def self.source_set; end
+  end
+
+  class Resolver
+    include Gem::Resolver::Molinillo::UI
+    include Gem::Resolver::Molinillo::SpecificationProvider
+    DEBUG_RESOLVER = T.let(nil, T.untyped)
+
+    def activation_request(dep, possible); end
+
+    def development; end
+
+    def development=(development); end
+
+    def development_shallow; end
+
+    def development_shallow=(development_shallow); end
+
+    def explain(stage, *data); end
+
+    def explain_list(stage); end
+
+    def find_possible(dependency); end
+
+    def ignore_dependencies; end
+
+    def ignore_dependencies=(ignore_dependencies); end
+
+    def initialize(needed, set = T.unsafe(nil)); end
+
+    def missing; end
+
+    def requests(s, act, reqs = T.unsafe(nil)); end
+
+    def resolve; end
+
+    def select_local_platforms(specs); end
+
+    def skip_gems; end
+
+    def skip_gems=(skip_gems); end
+
+    def soft_missing; end
+
+    def soft_missing=(soft_missing); end
+
+    def stats; end
+
+    def self.compose_sets(*sets); end
+
+    def self.for_current_gems(needed); end
+
+    def allow_missing?(dependency); end
+
+    def dependencies_for(specification); end
+
+    def name_for(dependency); end
+
+    def name_for_explicit_dependency_source; end
+
+    def name_for_locking_dependency_source; end
+
+    def requirement_satisfied_by?(requirement, activated, spec); end
+
+    def search_for(dependency); end
+
+    def sort_dependencies(dependencies, activated, conflicts); end
+
+    def after_resolution; end
+
+    def before_resolution; end
+
+    def debug(depth = T.unsafe(nil)); end
+
+    def debug?; end
+
+    def indicate_progress; end
+
+    def output; end
+
+    def progress_rate; end
+
+    class APISet
+      def dep_uri; end
+
+      def initialize(dep_uri = T.unsafe(nil)); end
+
+      def prefetch_now; end
+
+      def pretty_print(q); end
+
+      def source; end
+
+      def uri; end
+
+      def versions(name); end
+    end
+
+    class APISpecification
+      def ==(other); end
+
+      def initialize(set, api_data); end
+
+      def pretty_print(q); end
+    end
+
+    class ActivationRequest
+      def ==(other); end
+
+      def development?; end
+
+      def download(path); end
+
+      def full_name; end
+
+      def full_spec; end
+
+      def initialize(spec, request, others_possible = T.unsafe(nil)); end
+
+      def installed?; end
+
+      def name; end
+
+      def others_possible?; end
+
+      def parent; end
+
+      def pretty_print(q); end
+
+      def request; end
+
+      def spec; end
+
+      def version; end
+    end
+
+    class BestSet
+      def initialize(sources = T.unsafe(nil)); end
+
+      def pick_sets; end
+
+      def pretty_print(q); end
+
+      def replace_failed_api_set(error); end
+    end
+
+    class ComposedSet
+      def initialize(*sets); end
+
+      def prerelease=(allow_prerelease); end
+
+      def remote=(remote); end
+
+      def sets; end
+    end
+
+    class Conflict
+      def ==(other); end
+
+      def activated; end
+
+      def conflicting_dependencies; end
+
+      def dependency; end
+
+      def explain; end
+
+      def explanation; end
+
+      def failed_dep; end
+
+      def for_spec?(spec); end
+
+      def initialize(dependency, activated, failed_dep = T.unsafe(nil)); end
+
+      def pretty_print(q); end
+
+      def request_path(current); end
+
+      def requester; end
+    end
+
+    class CurrentSet
+    end
+
+    class DependencyRequest
+      def ==(other); end
+
+      def dependency; end
+
+      def development?; end
+
+      def explicit?; end
+
+      def implicit?; end
+
+      def initialize(dependency, requester); end
+
+      def match?(spec, allow_prerelease = T.unsafe(nil)); end
+
+      def matches_spec?(spec); end
+
+      def name; end
+
+      def pretty_print(q); end
+
+      def request_context; end
+
+      def requester; end
+
+      def requirement; end
+
+      def type; end
+    end
+
+    class GitSet
+      def add_git_gem(name, repository, reference, submodules); end
+
+      def add_git_spec(name, version, repository, reference, submodules); end
+
+      def need_submodules; end
+
+      def pretty_print(q); end
+
+      def repositories; end
+
+      def root_dir; end
+
+      def root_dir=(root_dir); end
+
+      def specs; end
+    end
+
+    class GitSpecification
+      def ==(other); end
+
+      def add_dependency(dependency); end
+
+      def pretty_print(q); end
+    end
+
+    class IndexSet
+      def initialize(source = T.unsafe(nil)); end
+
+      def pretty_print(q); end
+    end
+
+    class IndexSpecification
+      def initialize(set, name, version, source, platform); end
+
+      def pretty_print(q); end
+    end
+
+    class InstalledSpecification
+      def ==(other); end
+
+      def pretty_print(q); end
+    end
+
+    class InstallerSet
+      def add_always_install(dependency); end
+
+      def add_local(dep_name, spec, source); end
+
+      def always_install; end
+
+      def consider_local?; end
+
+      def consider_remote?; end
+
+      def ignore_dependencies; end
+
+      def ignore_dependencies=(ignore_dependencies); end
+
+      def ignore_installed; end
+
+      def ignore_installed=(ignore_installed); end
+
+      def initialize(domain); end
+
+      def load_spec(name, ver, platform, source); end
+
+      def local?(dep_name); end
+
+      def prerelease=(allow_prerelease); end
+
+      def pretty_print(q); end
+
+      def remote=(remote); end
+
+      def remote_set; end
+    end
+
+    class LocalSpecification
+      def pretty_print(q); end
+    end
+
+    class LockSet
+      def add(name, version, platform); end
+
+      def initialize(sources); end
+
+      def load_spec(name, version, platform, source); end
+
+      def pretty_print(q); end
+
+      def specs; end
+    end
+
+    class LockSpecification
+      def add_dependency(dependency); end
+
+      def initialize(set, name, version, sources, platform); end
+
+      def pretty_print(q); end
+
+      def sources; end
+    end
+
+    module Molinillo
+      VERSION = T.let(nil, T.untyped)
+
+      class CircularDependencyError
+        def dependencies; end
+
+        def initialize(nodes); end
+      end
+
+      module Delegates
+        module ResolutionState
+          def activated; end
+
+          def conflicts; end
+
+          def depth; end
+
+          def name; end
+
+          def possibilities; end
+
+          def requirement; end
+
+          def requirements; end
+        end
+
+        module SpecificationProvider
+          def allow_missing?(dependency); end
+
+          def dependencies_for(specification); end
+
+          def name_for(dependency); end
+
+          def name_for_explicit_dependency_source; end
+
+          def name_for_locking_dependency_source; end
+
+          def requirement_satisfied_by?(requirement, activated, spec); end
+
+          def search_for(dependency); end
+
+          def sort_dependencies(dependencies, activated, conflicts); end
+        end
+      end
+
+      class DependencyGraph
+        include Enumerable
+        include TSort
+        Elem = type_member(fixed: T.untyped)
+
+        def ==(other); end
+
+        def add_child_vertex(name, payload, parent_names, requirement); end
+
+        def add_edge(origin, destination, requirement); end
+
+        def add_vertex(name, payload, root = T.unsafe(nil)); end
+
+        def delete_edge(edge); end
+
+        def detach_vertex_named(name); end
+
+        def each(&blk); end
+
+        def log; end
+
+        def rewind_to(tag); end
+
+        def root_vertex_named(name); end
+
+        def set_payload(name, payload); end
+
+        def tag(tag); end
+
+        def to_dot(options = T.unsafe(nil)); end
+
+        def tsort_each_child(vertex, &block); end
+
+        def vertex_named(name); end
+
+        def vertices; end
+
+        def self.tsort(vertices); end
+
+        class Action
+          def down(graph); end
+
+          def next; end
+
+          def next=(_); end
+
+          def previous; end
+
+          def previous=(previous); end
+
+          def up(graph); end
+
+          def self.action_name; end
+        end
+
+        class AddEdgeNoCircular
+          def destination; end
+
+          def initialize(origin, destination, requirement); end
+
+          def make_edge(graph); end
+
+          def origin; end
+
+          def requirement; end
+        end
+
+        class AddVertex
+          def initialize(name, payload, root); end
+
+          def name; end
+
+          def payload; end
+
+          def root; end
+        end
+
+        class DeleteEdge
+          def destination_name; end
+
+          def initialize(origin_name, destination_name, requirement); end
+
+          def make_edge(graph); end
+
+          def origin_name; end
+
+          def requirement; end
+        end
+
+        class DetachVertexNamed
+          def initialize(name); end
+
+          def name; end
+        end
+
+        class Edge
+          def destination; end
+
+          def destination=(_); end
+
+          def origin; end
+
+          def origin=(_); end
+
+          def requirement; end
+
+          def requirement=(_); end
+
+          def self.[](*_); end
+
+          def self.members; end
+        end
+
+        class Log
+          extend T::Enumerable
+          Elem = type_member(fixed: T.untyped)
+
+          def add_edge_no_circular(graph, origin, destination, requirement); end
+
+          def add_vertex(graph, name, payload, root); end
+
+          def delete_edge(graph, origin_name, destination_name, requirement); end
+
+          def detach_vertex_named(graph, name); end
+
+          def each(&blk); end
+
+          def pop!(graph); end
+
+          def reverse_each; end
+
+          def rewind_to(graph, tag); end
+
+          def set_payload(graph, name, payload); end
+
+          def tag(graph, tag); end
+        end
+
+        class SetPayload
+          def initialize(name, payload); end
+
+          def name; end
+
+          def payload; end
+        end
+
+        class Tag
+          def down(_graph); end
+
+          def initialize(tag); end
+
+          def tag; end
+
+          def up(_graph); end
+        end
+
+        class Vertex
+          def ==(other); end
+
+          def ancestor?(other); end
+
+          def descendent?(other); end
+
+          def eql?(other); end
+
+          def explicit_requirements; end
+
+          def incoming_edges; end
+
+          def incoming_edges=(incoming_edges); end
+
+          def initialize(name, payload); end
+
+          def is_reachable_from?(other); end
+
+          def name; end
+
+          def name=(name); end
+
+          def outgoing_edges; end
+
+          def outgoing_edges=(outgoing_edges); end
+
+          def path_to?(other); end
+
+          def payload; end
+
+          def payload=(payload); end
+
+          def predecessors; end
+
+          def recursive_predecessors; end
+
+          def recursive_successors; end
+
+          def requirements; end
+
+          def root; end
+
+          def root=(root); end
+
+          def root?; end
+
+          def shallow_eql?(other); end
+
+          def successors; end
+        end
+      end
+
+      class DependencyState
+        def pop_possibility_state; end
+      end
+
+      class NoSuchDependencyError
+        def dependency; end
+
+        def dependency=(dependency); end
+
+        def initialize(dependency, required_by = T.unsafe(nil)); end
+
+        def required_by; end
+
+        def required_by=(required_by); end
+      end
+
+      class PossibilityState
+      end
+
+      class ResolutionState
+        def activated; end
+
+        def activated=(_); end
+
+        def conflicts; end
+
+        def conflicts=(_); end
+
+        def depth; end
+
+        def depth=(_); end
+
+        def name; end
+
+        def name=(_); end
+
+        def possibilities; end
+
+        def possibilities=(_); end
+
+        def requirement; end
+
+        def requirement=(_); end
+
+        def requirements; end
+
+        def requirements=(_); end
+
+        def self.[](*_); end
+
+        def self.empty; end
+
+        def self.members; end
+      end
+
+      class Resolver
+        def initialize(specification_provider, resolver_ui); end
+
+        def resolve(requested, base = T.unsafe(nil)); end
+
+        def resolver_ui; end
+
+        def specification_provider; end
+
+        class Resolution
+          include Gem::Resolver::Molinillo::Delegates::ResolutionState
+          include Gem::Resolver::Molinillo::Delegates::SpecificationProvider
+
+          def base; end
+
+          def initialize(specification_provider, resolver_ui, requested, base); end
+
+          def iteration_rate=(iteration_rate); end
+
+          def original_requested; end
+
+          def resolve; end
+
+          def resolver_ui; end
+
+          def specification_provider; end
+
+          def started_at=(started_at); end
+
+          def states=(states); end
+
+          def allow_missing?(dependency); end
+
+          def dependencies_for(specification); end
+
+          def name_for(dependency); end
+
+          def name_for_explicit_dependency_source; end
+
+          def name_for_locking_dependency_source; end
+
+          def requirement_satisfied_by?(requirement, activated, spec); end
+
+          def search_for(dependency); end
+
+          def sort_dependencies(dependencies, activated, conflicts); end
+
+          def activated; end
+
+          def conflicts; end
+
+          def depth; end
+
+          def name; end
+
+          def possibilities; end
+
+          def requirement; end
+
+          def requirements; end
+
+          class Conflict
+            def activated_by_name; end
+
+            def activated_by_name=(_); end
+
+            def existing; end
+
+            def existing=(_); end
+
+            def locked_requirement; end
+
+            def locked_requirement=(_); end
+
+            def possibility; end
+
+            def possibility=(_); end
+
+            def requirement; end
+
+            def requirement=(_); end
+
+            def requirement_trees; end
+
+            def requirement_trees=(_); end
+
+            def requirements; end
+
+            def requirements=(_); end
+
+            def self.[](*_); end
+
+            def self.members; end
+          end
+        end
+      end
+
+      class ResolverError
+      end
+
+      module SpecificationProvider
+        def allow_missing?(dependency); end
+
+        def dependencies_for(specification); end
+
+        def name_for(dependency); end
+
+        def name_for_explicit_dependency_source; end
+
+        def name_for_locking_dependency_source; end
+
+        def requirement_satisfied_by?(requirement, activated, spec); end
+
+        def search_for(dependency); end
+
+        def sort_dependencies(dependencies, activated, conflicts); end
+      end
+
+      module UI
+        def after_resolution; end
+
+        def before_resolution; end
+
+        def debug(depth = T.unsafe(nil)); end
+
+        def debug?; end
+
+        def indicate_progress; end
+
+        def output; end
+
+        def progress_rate; end
+      end
+
+      class VersionConflict
+        def conflicts; end
+
+        def initialize(conflicts); end
+      end
+    end
+
+    class RequirementList
+      include Enumerable
+      Elem = type_member(fixed: T.untyped)
+
+      def add(req); end
+
+      def each(&blk); end
+
+      def empty?; end
+
+      def next5; end
+
+      def remove; end
+
+      def size; end
+    end
+
+    class Set
+      def errors; end
+
+      def errors=(errors); end
+
+      def find_all(req); end
+
+      def prefetch(reqs); end
+
+      def prerelease; end
+
+      def prerelease=(prerelease); end
+
+      def remote; end
+
+      def remote=(remote); end
+
+      def remote?; end
+    end
+
+    class SourceSet
+      def add_source_gem(name, source); end
+    end
+
+    class SpecSpecification
+      def initialize(set, spec, source = T.unsafe(nil)); end
+    end
+
+    class Specification
+      def dependencies; end
+
+      def download(options); end
+
+      def fetch_development_dependencies; end
+
+      def full_name; end
+
+      def install(options = T.unsafe(nil)); end
+
+      def installable_platform?; end
+
+      def local?; end
+
+      def name; end
+
+      def platform; end
+
+      def set; end
+
+      def source; end
+
+      def spec; end
+
+      def version; end
+    end
+
+    class Stats
+      PATTERN = T.let(nil, T.untyped)
+
+      def backtracking!; end
+
+      def display; end
+
+      def iteration!; end
+
+      def record_depth(stack); end
+
+      def record_requirements(reqs); end
+
+      def requirement!; end
+    end
+
+    class VendorSet
+      def add_vendor_gem(name, directory); end
+
+      def load_spec(name, version, platform, source); end
+
+      def pretty_print(q); end
+
+      def specs; end
+    end
+
+    class VendorSpecification
+      def ==(other); end
+    end
+  end
+
+  class RuntimeRequirementNotMetError
+    def suggestion; end
+
+    def suggestion=(suggestion); end
+  end
+
+  module Security
+    AlmostNoSecurity = T.let(nil, T.untyped)
+    DIGEST_NAME = T.let(nil, T.untyped)
+    EXTENSIONS = T.let(nil, T.untyped)
+    HighSecurity = T.let(nil, T.untyped)
+    KEY_CIPHER = T.let(nil, T.untyped)
+    KEY_LENGTH = T.let(nil, T.untyped)
+    LowSecurity = T.let(nil, T.untyped)
+    MediumSecurity = T.let(nil, T.untyped)
+    NoSecurity = T.let(nil, T.untyped)
+    ONE_DAY = T.let(nil, T.untyped)
+    ONE_YEAR = T.let(nil, T.untyped)
+    Policies = T.let(nil, T.untyped)
+    SigningPolicy = T.let(nil, T.untyped)
+
+    def self.alt_name_or_x509_entry(certificate, x509_entry); end
+
+    def self.create_cert(subject, key, age = T.unsafe(nil), extensions = T.unsafe(nil), serial = T.unsafe(nil)); end
+
+    def self.create_cert_email(email, key, age = T.unsafe(nil), extensions = T.unsafe(nil)); end
+
+    def self.create_cert_self_signed(subject, key, age = T.unsafe(nil), extensions = T.unsafe(nil), serial = T.unsafe(nil)); end
+
+    def self.create_key(length = T.unsafe(nil), algorithm = T.unsafe(nil)); end
+
+    def self.email_to_name(email_address); end
+
+    def self.re_sign(expired_certificate, private_key, age = T.unsafe(nil), extensions = T.unsafe(nil)); end
+
+    def self.reset; end
+
+    def self.sign(certificate, signing_key, signing_cert, age = T.unsafe(nil), extensions = T.unsafe(nil), serial = T.unsafe(nil)); end
+
+    def self.trust_dir; end
+
+    def self.trusted_certificates(&block); end
+
+    def self.write(pemmable, path, permissions = T.unsafe(nil), passphrase = T.unsafe(nil), cipher = T.unsafe(nil)); end
+
+    class DIGEST_ALGORITHM
+      def initialize(data = T.unsafe(nil)); end
+
+      def self.digest(data); end
+
+      def self.hexdigest(data); end
+    end
+
+    class Exception
+    end
+
+    class KEY_ALGORITHM
+      NO_PADDING = T.let(nil, T.untyped)
+      PKCS1_OAEP_PADDING = T.let(nil, T.untyped)
+      PKCS1_PADDING = T.let(nil, T.untyped)
+      SSLV23_PADDING = T.let(nil, T.untyped)
+
+      def d; end
+
+      def d=(d); end
+
+      def dmp1; end
+
+      def dmp1=(dmp1); end
+
+      def dmq1; end
+
+      def dmq1=(dmq1); end
+
+      def e; end
+
+      def e=(e); end
+
+      def export(*_); end
+
+      def initialize(*_); end
+
+      def iqmp; end
+
+      def iqmp=(iqmp); end
+
+      def n; end
+
+      def n=(n); end
+
+      def p; end
+
+      def p=(p); end
+
+      def params; end
+
+      def private?; end
+
+      def private_decrypt(*_); end
+
+      def private_encrypt(*_); end
+
+      def public?; end
+
+      def public_decrypt(*_); end
+
+      def public_encrypt(*_); end
+
+      def public_key; end
+
+      def q; end
+
+      def q=(q); end
+
+      def set_crt_params(_, _1, _2); end
+
+      def set_factors(_, _1); end
+
+      def set_key(_, _1, _2); end
+
+      def sign_pss(*_); end
+
+      def to_der; end
+
+      def to_pem(*_); end
+
+      def to_s(*_); end
+
+      def to_text; end
+
+      def verify_pss(*_); end
+
+      def self.generate(*_); end
+    end
+
+    class Policy
+      include Gem::UserInteraction
+      include Gem::DefaultUserInteraction
+      include Gem::Text
+
+      def check_cert(signer, issuer, time); end
+
+      def check_chain(chain, time); end
+
+      def check_data(public_key, digest, signature, data); end
+
+      def check_key(signer, key); end
+
+      def check_root(chain, time); end
+
+      def check_trust(chain, digester, trust_dir); end
+
+      def initialize(name, policy = T.unsafe(nil), opt = T.unsafe(nil)); end
+
+      def name; end
+
+      def only_signed; end
+
+      def only_signed=(only_signed); end
+
+      def only_trusted; end
+
+      def only_trusted=(only_trusted); end
+
+      def subject(certificate); end
+
+      def verify(chain, key = T.unsafe(nil), digests = T.unsafe(nil), signatures = T.unsafe(nil), full_name = T.unsafe(nil)); end
+
+      def verify_chain; end
+
+      def verify_chain=(verify_chain); end
+
+      def verify_data; end
+
+      def verify_data=(verify_data); end
+
+      def verify_root; end
+
+      def verify_root=(verify_root); end
+
+      def verify_signatures(spec, digests, signatures); end
+
+      def verify_signer; end
+
+      def verify_signer=(verify_signer); end
+
+      def clean_text(text); end
+
+      def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+      def levenshtein_distance(str1, str2); end
+
+      def min3(a, b, c); end
+
+      def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+      def ui; end
+
+      def ui=(new_ui); end
+
+      def use_ui(new_ui, &block); end
+
+      def alert(statement, question = T.unsafe(nil)); end
+
+      def alert_error(statement, question = T.unsafe(nil)); end
+
+      def alert_warning(statement, question = T.unsafe(nil)); end
+
+      def ask(question); end
+
+      def ask_for_password(prompt); end
+
+      def ask_yes_no(question, default = T.unsafe(nil)); end
+
+      def choose_from_list(question, list); end
+
+      def say(statement = T.unsafe(nil)); end
+
+      def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+      def verbose(msg = T.unsafe(nil)); end
+    end
+
+    class Signer
+      include Gem::UserInteraction
+      include Gem::DefaultUserInteraction
+      include Gem::Text
+      DEFAULT_OPTIONS = T.let(nil, T.untyped)
+
+      def cert_chain; end
+
+      def cert_chain=(cert_chain); end
+
+      def digest_algorithm; end
+
+      def digest_name; end
+
+      def extract_name(cert); end
+
+      def initialize(key, cert_chain, passphrase = T.unsafe(nil), options = T.unsafe(nil)); end
+
+      def key; end
+
+      def key=(key); end
+
+      def load_cert_chain; end
+
+      def options; end
+
+      def re_sign_key(expiration_length: T.unsafe(nil)); end
+
+      def sign(data); end
+
+      def self.re_sign_cert(expired_cert, expired_cert_path, private_key); end
+
+      def clean_text(text); end
+
+      def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+      def levenshtein_distance(str1, str2); end
+
+      def min3(a, b, c); end
+
+      def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+      def ui; end
+
+      def ui=(new_ui); end
+
+      def use_ui(new_ui, &block); end
+
+      def alert(statement, question = T.unsafe(nil)); end
+
+      def alert_error(statement, question = T.unsafe(nil)); end
+
+      def alert_warning(statement, question = T.unsafe(nil)); end
+
+      def ask(question); end
+
+      def ask_for_password(prompt); end
+
+      def ask_yes_no(question, default = T.unsafe(nil)); end
+
+      def choose_from_list(question, list); end
+
+      def say(statement = T.unsafe(nil)); end
+
+      def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+      def verbose(msg = T.unsafe(nil)); end
+    end
+
+    class TrustDir
+      DEFAULT_PERMISSIONS = T.let(nil, T.untyped)
+
+      def cert_path(certificate); end
+
+      def dir; end
+
+      def each_certificate; end
+
+      def initialize(dir, permissions = T.unsafe(nil)); end
+
+      def issuer_of(certificate); end
+
+      def load_certificate(certificate_file); end
+
+      def name_path(name); end
+
+      def trust_cert(certificate); end
+
+      def verify; end
+    end
+  end
+
+  class SilentUI
+    def initialize; end
+  end
+
+  class Source
+    include Comparable
+    FILES = T.let(nil, T.untyped)
+
+    def ==(other); end
+
+    def cache_dir(uri); end
+
+    def dependency_resolver_set; end
+
+    def download(spec, dir = T.unsafe(nil)); end
+
+    def eql?(other); end
+
+    def fetch_spec(name_tuple); end
+
+    def initialize(uri); end
+
+    def load_specs(type); end
+
+    def pretty_print(q); end
+
+    def update_cache?; end
+
+    def uri; end
+
+    class Git
+      def base_dir; end
+
+      def cache; end
+
+      def checkout; end
+
+      def dir_shortref; end
+
+      def download(full_spec, path); end
+
+      def initialize(name, repository, reference, submodules = T.unsafe(nil)); end
+
+      def install_dir; end
+
+      def name; end
+
+      def need_submodules; end
+
+      def reference; end
+
+      def remote; end
+
+      def remote=(remote); end
+
+      def repo_cache_dir; end
+
+      def repository; end
+
+      def rev_parse; end
+
+      def root_dir; end
+
+      def root_dir=(root_dir); end
+
+      def specs; end
+
+      def uri_hash; end
+    end
+
+    class Installed
+      def download(spec, path); end
+
+      def initialize; end
+    end
+
+    class Local
+      def download(spec, cache_dir = T.unsafe(nil)); end
+
+      def fetch_spec(name); end
+
+      def find_gem(gem_name, version = T.unsafe(nil), prerelease = T.unsafe(nil)); end
+
+      def initialize; end
+    end
+
+    class Lock
+      def initialize(source); end
+
+      def wrapped; end
+    end
+
+    class SpecificFile
+      def fetch_spec(name); end
+
+      def initialize(file); end
+
+      def load_specs(*a); end
+
+      def path; end
+
+      def spec; end
+    end
+
+    class Vendor
+      def initialize(path); end
+    end
+  end
+
+  class SourceFetchProblem
+    def error; end
+
+    def exception; end
+
+    def initialize(source, error); end
+
+    def source; end
+
+    def wordy; end
+  end
+
+  class SourceList
+    include Enumerable
+    Elem = type_member(fixed: T.untyped)
+
+    def <<(obj); end
+
+    def ==(other); end
+
+    def clear; end
+
+    def delete(source); end
+
+    def each(&blk); end
+
+    def each_source(&b); end
+
+    def empty?; end
+
+    def first; end
+
+    def include?(other); end
+
+    def replace(other); end
+
+    def sources; end
+
+    def to_a; end
+
+    def to_ary; end
+
+    def self.from(ary); end
+  end
+
+  class SpecFetcher
+    include Gem::UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+
+    def available_specs(type); end
+
+    def detect(type = T.unsafe(nil)); end
+
+    def initialize(sources = T.unsafe(nil)); end
+
+    def latest_specs; end
+
+    def prerelease_specs; end
+
+    def search_for_dependency(dependency, matching_platform = T.unsafe(nil)); end
+
+    def sources; end
+
+    def spec_for_dependency(dependency, matching_platform = T.unsafe(nil)); end
+
+    def specs; end
+
+    def suggest_gems_from_name(gem_name, type = T.unsafe(nil)); end
+
+    def tuples_for(source, type, gracefully_ignore = T.unsafe(nil)); end
+
+    def self.fetcher; end
+
+    def self.fetcher=(fetcher); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+  end
+
+  class SpecificGemNotFoundException
+    def errors; end
+
+    def initialize(name, version, errors = T.unsafe(nil)); end
+
+    def name; end
+
+    def version; end
+  end
+
+  class Specification
+    include Bundler::MatchPlatform
+    include Bundler::GemHelpers
+    extend Gem::Deprecate
+    DateLike = T.let(nil, T.untyped)
+    DateTimeFormat = T.let(nil, T.untyped)
+    INITIALIZE_CODE_FOR_DEFAULTS = T.let(nil, T.untyped)
+
+    def ==(other); end
+
+    def _deprecated_default_executable; end
+
+    def _deprecated_default_executable=(_deprecated_default_executable); end
+
+    def _deprecated_has_rdoc; end
+
+    def _deprecated_has_rdoc=(ignored); end
+
+    def _deprecated_has_rdoc?(*args, &block); end
+
+    def _dump(limit); end
+
+    def abbreviate; end
+
+    def activate; end
+
+    def activate_dependencies; end
+
+    def activated; end
+
+    def activated=(activated); end
+
+    def add_bindir(executables); end
+
+    def add_dependency(gem, *requirements); end
+
+    def add_development_dependency(gem, *requirements); end
+
+    def add_runtime_dependency(gem, *requirements); end
+
+    def add_self_to_load_path; end
+
+    def author; end
+
+    def author=(o); end
+
+    def authors; end
+
+    def authors=(value); end
+
+    def autorequire; end
+
+    def autorequire=(autorequire); end
+
+    def bin_dir; end
+
+    def bin_file(name); end
+
+    def bindir; end
+
+    def bindir=(bindir); end
+
+    def build_args; end
+
+    def build_extensions; end
+
+    def build_info_dir; end
+
+    def build_info_file; end
+
+    def cache_dir; end
+
+    def cache_file; end
+
+    def cert_chain; end
+
+    def cert_chain=(cert_chain); end
+
+    def conficts_when_loaded_with?(list_of_specs); end
+
+    def conflicts; end
+
+    def date; end
+
+    def date=(date); end
+
+    def default_executable(*args, &block); end
+
+    def default_executable=(*args, &block); end
+
+    def default_value(name); end
+
+    def dependencies; end
+
+    def dependent_gems; end
+
+    def dependent_specs; end
+
+    def description; end
+
+    def description=(str); end
+
+    def development_dependencies; end
+
+    def doc_dir(type = T.unsafe(nil)); end
+
+    def email; end
+
+    def email=(email); end
+
+    def encode_with(coder); end
+
+    def eql?(other); end
+
+    def executable; end
+
+    def executable=(o); end
+
+    def executables; end
+
+    def executables=(value); end
+
+    def extensions; end
+
+    def extensions=(extensions); end
+
+    def extra_rdoc_files; end
+
+    def extra_rdoc_files=(files); end
+
+    def file_name; end
+
+    def files; end
+
+    def files=(files); end
+
+    def for_cache; end
+
+    def git_version; end
+
+    def groups; end
+
+    def has_conflicts?; end
+
+    def has_rdoc(*args, &block); end
+
+    def has_rdoc=(*args, &block); end
+
+    def has_rdoc?(*args, &block); end
+
+    def has_test_suite?; end
+
+    def has_unit_tests?; end
+
+    def homepage; end
+
+    def homepage=(homepage); end
+
+    def init_with(coder); end
+
+    def initialize(name = T.unsafe(nil), version = T.unsafe(nil)); end
+
+    def installed_by_version; end
+
+    def installed_by_version=(version); end
+
+    def keep_only_files_and_directories; end
+
+    def lib_files; end
+
+    def license; end
+
+    def license=(o); end
+
+    def licenses; end
+
+    def licenses=(licenses); end
+
+    def load_paths; end
+
+    def location; end
+
+    def location=(location); end
+
+    def mark_version; end
+
+    def metadata; end
+
+    def metadata=(metadata); end
+
+    def method_missing(sym, *a, &b); end
+
+    def missing_extensions?; end
+
+    def name=(name); end
+
+    def name_tuple; end
+
+    def nondevelopment_dependencies; end
+
+    def normalize; end
+
+    def original_name; end
+
+    def original_platform; end
+
+    def original_platform=(original_platform); end
+
+    def platform=(platform); end
+
+    def post_install_message; end
+
+    def post_install_message=(post_install_message); end
+
+    def pretty_print(q); end
+
+    def raise_if_conflicts; end
+
+    def rdoc_options; end
+
+    def rdoc_options=(options); end
+
+    def relative_loaded_from; end
+
+    def relative_loaded_from=(relative_loaded_from); end
+
+    def remote; end
+
+    def remote=(remote); end
+
+    def require_path; end
+
+    def require_path=(path); end
+
+    def require_paths=(val); end
+
+    def required_ruby_version; end
+
+    def required_ruby_version=(req); end
+
+    def required_rubygems_version; end
+
+    def required_rubygems_version=(req); end
+
+    def requirements; end
+
+    def requirements=(req); end
+
+    def reset_nil_attributes_to_default; end
+
+    def rg_extension_dir; end
+
+    def rg_full_gem_path; end
+
+    def rg_loaded_from; end
+
+    def ri_dir; end
+
+    def rubyforge_project=(rubyforge_project); end
+
+    def rubygems_version; end
+
+    def rubygems_version=(rubygems_version); end
+
+    def runtime_dependencies; end
+
+    def sanitize; end
+
+    def sanitize_string(string); end
+
+    def satisfies_requirement?(dependency); end
+
+    def signing_key; end
+
+    def signing_key=(signing_key); end
+
+    def sort_obj; end
+
+    def source; end
+
+    def source=(source); end
+
+    def spec_dir; end
+
+    def spec_file; end
+
+    def spec_name; end
+
+    def specification_version; end
+
+    def specification_version=(specification_version); end
+
+    def summary; end
+
+    def summary=(str); end
+
+    def test_file; end
+
+    def test_file=(file); end
+
+    def test_files; end
+
+    def test_files=(files); end
+
+    def to_gemfile(path = T.unsafe(nil)); end
+
+    def to_ruby; end
+
+    def to_ruby_for_cache; end
+
+    def to_yaml(opts = T.unsafe(nil)); end
+
+    def traverse(trail = T.unsafe(nil), visited = T.unsafe(nil), &block); end
+
+    def validate(packaging = T.unsafe(nil), strict = T.unsafe(nil)); end
+
+    def validate_dependencies; end
+
+    def validate_metadata; end
+
+    def validate_permissions; end
+
+    def version=(version); end
+
+    def yaml_initialize(tag, vals); end
+
+    def self._all; end
+
+    def self._clear_load_cache; end
+
+    def self._latest_specs(specs, prerelease = T.unsafe(nil)); end
+
+    def self._load(str); end
+
+    def self._resort!(specs); end
+
+    def self.add_spec(spec); end
+
+    def self.add_specs(*specs); end
+
+    def self.all; end
+
+    def self.all=(specs); end
+
+    def self.all_names; end
+
+    def self.array_attributes; end
+
+    def self.attribute_names; end
+
+    def self.dirs; end
+
+    def self.dirs=(dirs); end
+
+    def self.each(&blk); end
+
+    def self.each_gemspec(dirs); end
+
+    def self.each_spec(dirs); end
+
+    def self.find_active_stub_by_path(path); end
+
+    def self.find_all_by_full_name(full_name); end
+
+    def self.find_all_by_name(name, *requirements); end
+
+    def self.find_by_name(name, *requirements); end
+
+    def self.find_by_path(path); end
+
+    def self.find_in_unresolved(path); end
+
+    def self.find_in_unresolved_tree(path); end
+
+    def self.find_inactive_by_path(path); end
+
+    def self.from_yaml(input); end
+
+    def self.latest_specs(prerelease = T.unsafe(nil)); end
+
+    def self.load(file); end
+
+    def self.load_defaults; end
+
+    def self.non_nil_attributes; end
+
+    def self.normalize_yaml_input(input); end
+
+    def self.outdated; end
+
+    def self.outdated_and_latest_version; end
+
+    def self.remove_spec(spec); end
+
+    def self.required_attribute?(name); end
+
+    def self.required_attributes; end
+
+    def self.reset; end
+
+    def self.stubs; end
+
+    def self.stubs_for(name); end
+
+    def self.unresolved_deps; end
+  end
+
+  class SpecificationPolicy
+    HOMEPAGE_URI_PATTERN = T.let(nil, T.untyped)
+    LAZY = T.let(nil, T.untyped)
+    LAZY_PATTERN = T.let(nil, T.untyped)
+    METADATA_LINK_KEYS = T.let(nil, T.untyped)
+    SPECIAL_CHARACTERS = T.let(nil, T.untyped)
+    VALID_NAME_PATTERN = T.let(nil, T.untyped)
+    VALID_URI_PATTERN = T.let(nil, T.untyped)
+
+    def initialize(specification); end
+
+    def packaging; end
+
+    def packaging=(packaging); end
+
+    def validate(strict = T.unsafe(nil)); end
+
+    def validate_dependencies; end
+
+    def validate_metadata; end
+
+    def validate_permissions; end
+  end
+
+  class StreamUI
+    extend Gem::Deprecate
+
+    def _deprecated_debug(statement); end
+
+    def _gets_noecho; end
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(question); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def backtrace(exception); end
+
+    def choose_from_list(question, list); end
+
+    def close; end
+
+    def debug(*args, &block); end
+
+    def download_reporter(*args); end
+
+    def errs; end
+
+    def initialize(in_stream, out_stream, err_stream = T.unsafe(nil), usetty = T.unsafe(nil)); end
+
+    def ins; end
+
+    def outs; end
+
+    def progress_reporter(*args); end
+
+    def require_io_console; end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(status = T.unsafe(nil)); end
+
+    def tty?; end
+  end
+
+  class StubSpecification
+    def build_extensions; end
+
+    def extensions; end
+
+    def initialize(filename, base_dir, gems_dir, default_gem); end
+
+    def missing_extensions?; end
+
+    def valid?; end
+
+    def self.default_gemspec_stub(filename, base_dir, gems_dir); end
+
+    def self.gemspec_stub(filename, base_dir, gems_dir); end
+
+    class StubLine
+      def extensions; end
+
+      def full_name; end
+
+      def initialize(data, extensions); end
+
+      def name; end
+
+      def platform; end
+
+      def require_paths; end
+
+      def version; end
+    end
+  end
+
+  class SystemExitException
+    def exit_code; end
+
+    def exit_code=(exit_code); end
+
+    def initialize(exit_code); end
+  end
+
+  module Text
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+  end
+
+  class UninstallError
+    def spec; end
+
+    def spec=(spec); end
+  end
+
+  class UnsatisfiableDependencyError
+    def dependency; end
+
+    def errors; end
+
+    def errors=(errors); end
+
+    def initialize(dep, platform_mismatch = T.unsafe(nil)); end
+
+    def name; end
+
+    def version; end
+  end
+
+  class UriFormatter
+    def escape; end
+
+    def initialize(uri); end
+
+    def normalize; end
+
+    def unescape; end
+
+    def uri; end
+  end
+
+  module UserInteraction
+    include Gem::DefaultUserInteraction
+    include Gem::Text
+
+    def alert(statement, question = T.unsafe(nil)); end
+
+    def alert_error(statement, question = T.unsafe(nil)); end
+
+    def alert_warning(statement, question = T.unsafe(nil)); end
+
+    def ask(question); end
+
+    def ask_for_password(prompt); end
+
+    def ask_yes_no(question, default = T.unsafe(nil)); end
+
+    def choose_from_list(question, list); end
+
+    def say(statement = T.unsafe(nil)); end
+
+    def terminate_interaction(exit_code = T.unsafe(nil)); end
+
+    def verbose(msg = T.unsafe(nil)); end
+
+    def clean_text(text); end
+
+    def format_text(text, wrap, indent = T.unsafe(nil)); end
+
+    def levenshtein_distance(str1, str2); end
+
+    def min3(a, b, c); end
+
+    def truncate_text(text, description, max_length = T.unsafe(nil)); end
+
+    def ui; end
+
+    def ui=(new_ui); end
+
+    def use_ui(new_ui, &block); end
+  end
+
+  module Util
+    def self.glob_files_in_dir(glob, base_path); end
+
+    def self.gunzip(data); end
+
+    def self.gzip(data); end
+
+    def self.inflate(data); end
+
+    def self.popen(*command); end
+
+    def self.silent_system(*command); end
+
+    def self.traverse_parents(directory, &block); end
+  end
+
+  class Version
+    def _segments; end
+
+    def _split_segments; end
+
+    def _version; end
+
+    def approximate_recommendation; end
+
+    def bump; end
+
+    def canonical_segments; end
+
+    def encode_with(coder); end
+
+    def eql?(other); end
+
+    def init_with(coder); end
+
+    def marshal_dump; end
+
+    def marshal_load(array); end
+
+    def prerelease?; end
+
+    def pretty_print(q); end
+
+    def release; end
+
+    def segments; end
+
+    def to_yaml_properties; end
+
+    def version; end
+
+    def yaml_initialize(tag, map); end
+
+    def self.correct?(version); end
+
+    def self.create(input); end
+
+    def self.new(version); end
+  end
+end
+
+Gem::UnsatisfiableDepedencyError = Gem::UnsatisfiableDependencyError
+Gem::Ext::ExtConfBuilder::FileEntry = FileUtils::Entry_
+Gem::Version::Requirement = Gem::Requirement
+Gem::Resolver::DependencyConflict = Gem::Resolver::Conflict