import { Loadable } from '@proteinjs/reflection';
import { StorageOptions } from '@google-cloud/storage';
export declare const getDefaultGoogleCloudStorageConfigFactory: () => DefaultGoogleCloudStorageConfigFactory;
export type GoogleCloudStorageConfig = {
    bucketName: string;
    projectId: string;
    /**
     * Prepended, verbatim, to the name of every object this driver writes, reads, signs or deletes
     * (`<objectPrefix><file id>`). Lets several independent deployments share one bucket while each
     * deployment's files stay listable and removable as a group. Include the separator yourself
     * (`'deployment-a/'`). Unset: an object is named by the file id alone.
     */
    objectPrefix?: string;
    storageOptions?: StorageOptions;
};
export interface DefaultGoogleCloudStorageConfigFactory extends Loadable {
    getConfig(): GoogleCloudStorageConfig;
}
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