import { Meta } from "../contracts";
export declare class Filesystem {
    private readonly filesystem;
    private snapshot?;
    setSnapshot(snapshot: string): void;
    getSnapshotPath(): string;
    deleteSnapshot(): Promise<void>;
    snapshotExists(): Promise<boolean>;
    prepareDir(): Promise<void>;
    writeMetaData(meta: Meta.MetaData): Promise<void>;
    readMetaData(): Promise<Meta.MetaData>;
    private validateMetaData;
}
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