from abc import ABC, abstractmethod

class StorageProvider(ABC):
    @abstractmethod
    def save_file(self, file_bytes: bytes, filename: str, folder: str) -> str:
        """
        Saves file bytes and returns the stored path or URI.
        """
        pass

    @abstractmethod
    def delete_file(self, storage_path: str) -> bool:
        """
        Deletes the file from storage. Returns True if successful.
        """
        pass