193     def find_ndk_and_sdk_paths(cls, ndk_path: Optional[str] = None  argument
198             yield ndk_path, cls.find_sdk_path(ndk_path)
201         yield ndk_path, cls.find_sdk_path(ndk_path)
209             sdk_path = os.path.join(home, cls.DEFAULT_SDK_PATH[platform].replace('/', os.sep))
226     def find_sdk_path(cls, ndk_path: str) -> Optional[str]:  argument
235     def _get_binutils_path_in_ndk(cls, toolname: str, arch: Optional[str], platform: str  argument
253     def find_tool_path(cls, toolname: str, ndk_path: Optional[str] = None,  argument
255         tool_info = cls.EXPECTED_TOOLS.get(toolname)
276             toolname_with_arch, path_in_ndk = cls._get_binutils_path_in_ndk(
289         for ndk_dir, sdk_dir in cls.find_ndk_and_sdk_paths(ndk_path):
753     def is_source_filename(cls, filename: str) -> bool:  argument
755         return ext in cls.SOURCE_FILE_EXTS