class CassiopeiaTreeWarning(UserWarning):
    """A Warning for the CassiopeiaTree class."""

    pass

class DataSimulatorWarning(UserWarning):
    pass


class PreprocessWarning(UserWarning):
    pass


class SharedMutationJoiningSolverWarning(UserWarning):
    """A warning class for SharedMutationJoiningSolver."""

    pass


class ParameterEstimateWarning(UserWarning):
    """An warning class for the estimation and retrieval of tree parameters"""

    pass


class PlottingWarning(UserWarning):
    pass

class LeafSubsamplerWarning(UserWarning):

    pass
