import { StreamingSyncRequest } from './streaming-sync-types.js';
import * as sync_status from '../../../db/crud/SyncStatus.js';
/**
 * An internal instruction emitted by the sync client in the core extension in response to the JS
 * SDK passing sync data into the extension.
 */
export type Instruction = {
    LogLine: LogLine;
} | {
    UpdateSyncStatus: UpdateSyncStatus;
} | {
    EstablishSyncStream: EstablishSyncStream;
} | {
    FetchCredentials: FetchCredentials;
} | {
    CloseSyncStream: {
        hide_disconnect: boolean;
    };
} | {
    FlushFileSystem: any;
} | {
    DidCompleteSync: any;
};
export interface LogLine {
    severity: 'DEBUG' | 'INFO' | 'WARNING';
    line: string;
}
export interface EstablishSyncStream {
    request: StreamingSyncRequest;
}
export interface UpdateSyncStatus {
    status: CoreSyncStatus;
}
export interface CoreSyncStatus {
    connected: boolean;
    connecting: boolean;
    priority_status: SyncPriorityStatus[];
    downloading: DownloadProgress | null;
    streams: CoreStreamSubscription[];
}
export interface CoreStreamSubscription {
    progress: {
        total: number;
        downloaded: number;
    };
    name: string;
    parameters: any;
    priority: number | null;
    active: boolean;
    is_default: boolean;
    has_explicit_subscription: boolean;
    expires_at: number | null;
    last_synced_at: number | null;
}
export interface SyncPriorityStatus {
    priority: number;
    last_synced_at: number | number;
    has_synced: boolean | null;
}
export interface DownloadProgress {
    buckets: Record<string, BucketProgress>;
}
export interface BucketProgress {
    priority: number;
    at_last: number;
    since_last: number;
    target_count: number;
}
export interface FetchCredentials {
    did_expire: boolean;
}
export declare function coreStatusToJs(status: CoreSyncStatus): sync_status.SyncStatusOptions;