159     def __init__(self, use_flags):  argument
181     def set_flag(self, key, value=True):  argument
188     def __init__(self, args):  argument
242     def _generate_rustflags(self):  argument
258     def configure_environ(self):  argument
282     def print_env(self):  argument
291     def run_command(self, target, args, cwd=None, env=None):  argument
322     def _get_basever(self):  argument
337     def _gn_default_output(self):  argument
340     def _gn_configure(self):  argument
413     def _gn_build(self, target):  argument
427     def _rust_configure(self):  argument
444     def _rust_build(self):  argument
453     def _target_prepare(self):  argument
462     def _target_hosttools(self):  argument
471     def _target_docs(self):  argument
475     def _target_rust(self):  argument
480     def _target_main(self):  argument
485     def _target_test(self):  argument
504     def _target_clippy(self):  argument
510     def _target_utils(self):  argument
521     def _target_install(self):  argument
575     def _target_bloat(self):  argument
586     def _target_clean(self):  argument
602     def _target_all(self):  argument
610     def build(self):  argument
652     def __init__(self, base_dir, bt_dir, partial_staging, clone_timeout):  argument
679     def _run_with_timeout(self, cmd, cwd, timeout=None):  argument
694     def _update_platform2(self):  argument
709     def _setup_platform2(self):  argument
782     def _pretty_print_install(self, install_cmd, packages, line_limit=80):  argument
810     def _check_package_installed(self, package, cmd, predicate):  argument
832     def _get_command_output(self, cmd):  argument
848     def _print_missing_packages(self):  argument
882     def _print_missing_rust_packages(self):  argument
920     def bootstrap(self):  argument