export declare function saveBaseline(snapshotsDir: string, name: string, data: Buffer): string;
export declare function loadBaseline(snapshotsDir: string, name: string): Buffer | null;
export declare function baselineExists(snapshotsDir: string, name: string): boolean;
export declare function saveDiffOutput(snapshotsDir: string, name: string, data: Buffer): string;
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