class RiakcachedException(Exception):
    pass

class RiakcachedBadRequest(RiakcachedException):
    pass

class RiakcachedNotFound(RiakcachedException):
    pass

class RiakcachedServiceUnavailable(RiakcachedException):
    pass

class RiakcachedPreconditionFailed(RiakcachedException):
    pass

class RiakcachedConflict(RiakcachedException):
    pass

class RiakcachedTimeout(RiakcachedException):
    pass

class RiakcachedConnectionError(RiakcachedException):
    pass

class RiakcachedException(Exception):
    """
    """
    pass


class RiakcachedBadRequest(RiakcachedException):
    """
    """
    pass


class RiakcachedNotFound(RiakcachedException):
    """
    """
    pass


class RiakcachedServiceUnavailable(RiakcachedException):
    """
    """
    pass


class RiakcachedPreconditionFailed(RiakcachedException):
    """
    """
    pass


class RiakcachedConflict(RiakcachedException):
    """
    """
    pass


class RiakcachedTimeout(RiakcachedException):
    """
    """
    pass


class RiakcachedConnectionError(RiakcachedException):
    """
    """
    pass

add empty docstrings for exceptions