/**
 * In-memory mock implementation of StorageProvider for tests.
 *
 * Per `feedback_pluggable_provider_pattern`: every provider abstraction ships
 * a mock so consumer tests don't need network access or real cloud creds.
 *
 * Stores objects in a Map keyed by storage key. URLs use a synthetic
 * `mock://` scheme so callers can distinguish mock results from real ones
 * without parsing host names.
 *
 * GAP-208 Phase 2a (2026-05-18).
 */
import type { ListOptions, ListResult, PutOptions, PutResult, StorageProvider } from './types.js';
interface MockEntry {
    body: Uint8Array;
    contentType: string;
    cacheControl?: string;
    metadata?: Record<string, string>;
    uploadedAt: Date;
}
declare class MockProvider implements StorageProvider {
    readonly provider = "mock";
    private readonly store;
    put(key: string, data: Blob | ArrayBuffer | Uint8Array | ReadableStream<Uint8Array>, opts?: PutOptions): Promise<PutResult>;
    del(keyOrUrl: string): Promise<void>;
    list(opts?: ListOptions): Promise<ListResult>;
    /** Test helper — read the raw bytes back. Not part of StorageProvider. */
    read(key: string): Uint8Array | undefined;
    /** Test helper — full entry inspection. Not part of StorageProvider. */
    inspect(key: string): MockEntry | undefined;
    /** Test helper — count of stored objects. Not part of StorageProvider. */
    size(): number;
    /** Test helper — wipe all stored objects. Not part of StorageProvider. */
    clear(): void;
    private extractKey;
}
export declare function createMockProvider(): MockProvider;
export type { MockProvider };
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