export type PtyStatus = string | null;
export interface PostconditionDeps {
    getPtyStatus: () => PtyStatus;
    getUserEntryCount: () => number;
    getLastEntryAgeMs: () => number | null;
    now: () => number;
    sleep: (ms: number) => Promise<void>;
    log: (line: string) => void;
    windowMs: number;
    intervalMs: number;
}
/** Count `"type":"user"` records in a JSONL file. Best-effort: a missing or
 *  unreadable file is 0 (a cold spawn has no JSONL yet). */
export declare function countUserEntries(jsonlPath: string): number;
export declare function watchInputSubmission(args: {
    pid: number | null;
    sessionId: string;
    bytes: number;
    baselineUserCount: number;
    deps: PostconditionDeps;
}): Promise<'submitted' | 'no-turn'>;
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