export declare function resolveBasePath(basePath: string): string;
export declare function resolveStoragePath(basePath: string, key: string, allowEmpty?: boolean, operation?: string): string;
export declare function dirname(fullPath: string): string;
export declare function ensureDir(dir: string): Promise<void>;
export declare function read(fullPath: string): Promise<ArrayBuffer | null>;
export declare function writeAtomic(fullPath: string, data: ArrayBuffer | Uint8Array): Promise<void>;
export declare function append(fullPath: string, data: ArrayBuffer | Uint8Array): Promise<void>;
export declare function deleteFile(fullPath: string): Promise<void>;
export declare function exists(fullPath: string): Promise<boolean>;
export declare function list(basePath: string, searchPath: string): Promise<string[]>;
export declare function clear(basePath: string): Promise<string>;
export declare function size(fullPath: string): Promise<number>;
export declare function stream(fullPath: string): ReadableStream<Uint8Array>;
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