import { S3Client } from "bun";
interface StorageDriver {
    put(path: string, contents: string | Uint8Array): Promise<string>;
    get(path: string): Promise<Uint8Array | null>;
    delete(path: string): Promise<boolean>;
}
interface S3StorageConfig {
    accessKeyId: string;
    secretAccessKey: string;
    bucket: string;
    region?: string;
    endpoint?: string;
}
declare class LocalStorageDriver implements StorageDriver {
    private readonly rootDirectory?;
    constructor(rootDirectory?: string | undefined);
    private resolveRootDirectory;
    private resolvePath;
    put(path: string, contents: string | Uint8Array): Promise<string>;
    get(path: string): Promise<Uint8Array | null>;
    delete(path: string): Promise<boolean>;
}
declare class S3StorageDriver implements StorageDriver {
    private readonly client;
    constructor(client: S3Client);
    put(path: string, contents: string | Uint8Array): Promise<string>;
    get(path: string): Promise<Uint8Array | null>;
    delete(path: string): Promise<boolean>;
}
declare class StorageManager {
    private readonly driver;
    constructor(driver: StorageDriver);
    put(path: string, contents: string | Uint8Array): Promise<string>;
    get(path: string): Promise<Uint8Array | null>;
    delete(path: string): Promise<boolean>;
}
declare function resolveS3Config(): S3StorageConfig;
declare function createS3Client(config?: S3StorageConfig): S3Client;
declare function createStorageDriver(): StorageDriver;
declare function storage(): StorageManager;
/** Test hook: drop the process-wide storage singleton (e.g. after changing STORAGE_PATH). */
declare function resetDefaultStorage(): void;
export type { S3StorageConfig, StorageDriver };
export { createS3Client, createStorageDriver, LocalStorageDriver, resetDefaultStorage, resolveS3Config, S3StorageDriver, StorageManager, storage, };