from typing import List, Set, Callable, Any, Union, Optional
from enum import Enum

import torch
from ._profiler import _ProfilerEvent, ActiveProfilerType, ProfilerActivity, ProfilerConfig

# Defined in tools/autograd/init.cpp

class DeviceType(Enum):
    CPU = ...
    CUDA = ...
    MKLDNN = ...
    OPENGL = ...
    OPENCL = ...
    IDEEP = ...
    HIP = ...
    FPGA = ...
    ORT = ...
    XLA = ...
    MPS = ...
    HPU = ...
    Meta = ...
    Vulkan = ...
    Metal = ...
    ...

class ProfilerEvent:
    def cpu_elapsed_us(self, other: ProfilerEvent) -> float: ...
    def cpu_memory_usage(self) -> int: ...
    def cuda_elapsed_us(self, other: ProfilerEvent) -> float: ...
    def cuda_memory_usage(self) -> int: ...
    def device(self) -> int: ...
    def handle(self) -> int: ...
    def has_cuda(self) -> bool: ...
    def is_remote(self) -> bool: ...
    def kind(self) -> int: ...
    def name(self) -> str: ...
    def node_id(self) -> int: ...
    def sequence_nr(self) -> int: ...
    def shapes(self) -> List[List[int]]: ...
    def thread_id(self) -> int: ...
    def flops(self) -> float: ...
    def is_async(self) -> bool: ...
    ...

class _KinetoEvent:
    def name(self) -> str: ...
    def device_index(self) -> int: ...
    def start_us(self) -> int: ...
    def duration_us(self) -> int: ...
    def is_async(self) -> bool: ...
    def linked_correlation_id(self) -> int: ...
    ...

class _ProfilerResult:
    def events(self) -> List[_KinetoEvent]: ...
    def legacy_events(self) -> List[List[ProfilerEvent]]: ...
    def save(self, path: str) -> None: ...
    def experimental_event_tree(self) -> List[_ProfilerEvent]: ...

class SavedTensor:
    ...

def _enable_profiler(config: ProfilerConfig, activities: Set[ProfilerActivity]) -> None: ...
def _prepare_profiler(config: ProfilerConfig, activities: Set[ProfilerActivity]) -> None: ...
def _disable_profiler() -> _ProfilerResult: ...
def _profiler_enabled() -> bool: ...
def _add_metadata_json(key: str, value: str) -> None: ...
def _kineto_step() -> None: ...
def kineto_available() -> bool: ...
def _record_function_with_args_enter(name: str, args: List[Any]) -> torch.Tensor: ...
def _record_function_with_args_exit(handle: torch.Tensor) -> None: ...
def _supported_activities() -> Set[ProfilerActivity]: ...
def _enable_record_function(enable: bool) -> None: ...
def _set_empty_test_observer(is_global: bool, sampling_prob: float) -> None: ...
def _push_saved_tensors_default_hooks(pack_hook: Callable, unpack_hook: Callable) -> None: ...
def _pop_saved_tensors_default_hooks() -> None: ...

def _unsafe_set_version_counter(t: torch.Tensor, prev_version: int) -> None: ...

def _enable_profiler_legacy(config: ProfilerConfig) -> None: ...
def _disable_profiler_legacy() -> List[List[ProfilerEvent]]: ...
def _profiler_type() -> ActiveProfilerType: ...

def _saved_tensors_hooks_enable() -> None: ...
def _saved_tensors_hooks_disable(message: str) -> None: ...
def _saved_tensors_hooks_get_disabled_error_message() -> Optional[str]: ...