export type LocalPendingStatus = "uploading" | "running" | "completed" | "failed";
export interface LocalPendingEntry {
    readonly jobId: string;
    readonly status: LocalPendingStatus;
    readonly createdAt: number;
    readonly updatedAt: number;
    readonly meta?: Record<string, unknown>;
}
/**
 * Framework-agnostic observable registry of in-flight transcription jobs.
 * Persisted to localStorage when available (so it survives reloads), with
 * an in-memory fallback otherwise. Subscribe with `subscribe(listener)`;
 * read with `getSnapshot()` (stable reference between mutations, so it
 * plugs directly into React's `useSyncExternalStore`).
 */
export declare class LocalPendingTranscribeTracker {
    #private;
    constructor();
    /** Current entries. Stable reference until the next mutation. */
    getSnapshot(): readonly LocalPendingEntry[];
    list(): readonly LocalPendingEntry[];
    /** Subscribe to changes. Returns an unsubscribe function. */
    subscribe(listener: () => void): () => void;
    upsert(jobId: string, status: LocalPendingStatus, meta?: Record<string, unknown>): void;
    remove(jobId: string): void;
    clear(): void;
}
export interface TranscribeDraftMeta {
    readonly title?: string;
    readonly tag?: string;
    readonly contentType?: string;
}
export interface TranscribeDraftRecord {
    readonly draftId: string;
    readonly blob: Blob;
    readonly metadata: TranscribeDraftMeta;
    readonly createdAt: number;
}
export declare class TranscribeDraftUnavailableError extends Error {
    constructor();
}
/**
 * IndexedDB-backed queue of recorded audio Blobs. Save a recording the
 * instant it finishes (before any network), then `upload` it when the
 * user confirms — so a flaky network or a closed tab never loses audio.
 * Browser-only: methods reject with {@link TranscribeDraftUnavailableError}
 * when IndexedDB is absent.
 */
export declare class TranscribeDraftStore {
    save(blob: Blob, meta?: TranscribeDraftMeta): Promise<{
        readonly draftId: string;
    }>;
    list(): Promise<readonly TranscribeDraftRecord[]>;
    get(draftId: string): Promise<TranscribeDraftRecord | null>;
    delete(draftId: string): Promise<void>;
}
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