try:
    from typing import TYPE_CHECKING as MYPY
except ImportError:
    MYPY = False


if MYPY:
    from types import TracebackType
    from typing import Any
    from typing import Callable
    from typing import Dict
    from typing import Optional
    from typing import Tuple
    from typing import Type

    ExcInfo = Tuple[
        Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]
    ]

    Event = Dict[str, Any]
    Hint = Dict[str, Any]

    Breadcrumb = Dict[str, Any]
    BreadcrumbHint = Dict[str, Any]

    EventProcessor = Callable[[Event, Hint], Optional[Event]]
    ErrorProcessor = Callable[[Event, ExcInfo], Optional[Event]]
    BreadcrumbProcessor = Callable[[Breadcrumb, BreadcrumbHint], Optional[Breadcrumb]]

    # https://github.com/python/mypy/issues/5710
    NotImplementedType = Any
