import { spawn } from 'child_process';
export interface FlushResult {
    uploaded: number;
    failed: number;
}
interface SpawnDeps {
    spawnFn?: typeof spawn;
}
/**
 * Upload every pending record. Deletes each on a confirmed success; on any failure the
 * file is kept and the "flush failed" marker is set so the next command can remind the
 * user (Option B). Clears the marker when everything uploaded cleanly.
 */
export declare function flushPending(): Promise<FlushResult>;
/**
 * Launch the flush as a detached background process so the foreground command (login,
 * or a retry prompt) returns immediately. Mirrors the detached-spawn pattern used to
 * open the browser in `auth/open-browser.ts`. Best-effort: any failure just means the
 * records wait and retry on the next command.
 */
export declare function spawnBackgroundFlush(deps?: SpawnDeps): void;
/** Hidden `__flush-pending` command run by the detached background process. */
export declare function run(): Promise<number>;
export {};
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