import type { HfAccessor } from '../../accessor/hf.ts';
export interface FakeHfOperator {
    files: Map<string, Buffer>;
    read: (key: string, options?: {
        offset?: bigint;
        size?: bigint;
    }) => Promise<Buffer>;
    reader: (key: string) => Promise<{
        read: (buf: Buffer) => Promise<bigint>;
    }>;
    stat: (key: string) => Promise<FakeMetadata>;
    list: (path: string, options?: {
        recursive?: boolean;
    }) => Promise<FakeEntry[]>;
    write: (key: string, data: Buffer | string) => Promise<FakeMetadata>;
    delete: (key: string) => Promise<void>;
    createDir: (key: string) => Promise<void>;
}
interface FakeMetadata {
    isDirectory: () => boolean;
    isFile: () => boolean;
    contentLength: bigint | null;
    etag: string | null;
    lastModified: string | null;
}
interface FakeEntry {
    path: () => string;
    name: () => string;
    metadata: () => FakeMetadata;
}
export declare function fakeHfOperator(initial?: Record<string, string | Buffer>): FakeHfOperator;
export declare function installFakeOperator(accessor: HfAccessor, fake: FakeHfOperator): void;
export {};
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