from ._typing import Buffer

def _get_simd_flags_compile() -> int: ...
def _get_simd_flags_runtime() -> int: ...
def _get_simd_name(flags: int) -> str: ...
def _get_simd_path() -> int: ...
def _set_simd_path(flags: int) -> None: ...
def b64decode(
    s: str | Buffer, altchars: str | Buffer | None = None, validate: bool = False
) -> bytes: ...
def b64decode_as_bytearray(
    s: str | Buffer, altchars: str | Buffer | None = None, validate: bool = False
) -> bytearray: ...
def b64encode(s: Buffer, altchars: str | Buffer | None = None) -> bytes: ...
def b64encode_as_string(s: Buffer, altchars: str | Buffer | None = None) -> str: ...
def encodebytes(s: Buffer) -> bytes: ...