export interface StorageProvider {
    store(key: string, sourceFilePath: string): Promise<void>;
    retrieve(key: string, targetFilePath?: string): Promise<string>;
}
export declare function createStorageProvider(): StorageProvider;
export declare class GoogleCloudStorageProvider implements StorageProvider {
    private readonly bucket;
    constructor(bucket: string);
    retrieve(key: string, filePath?: string): Promise<string>;
    store(key: string, filePath: string): Promise<void>;
}
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