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from abc import ABC, abstractmethod
from typing import List
from pypaimon.api import Split


class TableScan(ABC):
    """A scan of Table to generate splits."""

    @abstractmethod
    def plan(self) -> 'Plan':
        """Plan splits."""


class Plan(ABC):
    """Plan of scan."""

    @abstractmethod
    def splits(self) -> List[Split]:
        """Return the splits."""