import os as os

from ...util import config as config, logger as logger
from ._constants import *
from ._proxy import BaseGLProxy as BaseGLProxy

# Variable that will hold the module corresponding to the current backend
# This variable is used in our proxy classes to call the right functions.
current_backend: None = ...

class MainProxy(BaseGLProxy):
    def __call__(self, funcname, returns, *args): ...

# Instantiate proxy objects
proxy = ...

def use_gl(target: str | None = None): ...
def _clear_namespace(): ...
def _copy_gl_functions(source, dest, constants=False, debug=False): ...
def _arg_repr(arg): ...
def make_debug_wrapper(fn): ...
def check_error(when: str = "periodic check"): ...
def _fix_osmesa_gl_lib_if_testing(): ...