export declare const BATCH_LIMIT = 6;
export declare const BATCH_OVER_LIMIT_CODE = "BATCH_OVER_LIMIT";
export type BatchCounterWarning = {
    readonly code: typeof BATCH_OVER_LIMIT_CODE;
    readonly batchId: string;
    readonly dispatched: number;
    readonly limit: number;
    readonly message: string;
};
/** Build the per-batch counter file path. */
export declare function batchCounterPath(projectRoot: string, sid: string, batchId: string): string;
/** A single batch counter record. */
export interface BatchCounterRecord {
    readonly batchId: string;
    readonly sessionId: string;
    readonly createdAt: string;
    readonly count: number;
}
/** Read the current counter; returns 0 if no file yet. */
export declare function readBatchCount(projectRoot: string, sid: string, batchId: string): number;
/** Increment the counter and return the new value (with any warning). */
export declare function noteDispatched(projectRoot: string, sid: string, batchId: string, now?: () => Date): {
    count: number;
    warning: BatchCounterWarning | null;
};
/** Reset a batch counter (called by the reducer when starting a new batch). */
export declare function resetBatch(projectRoot: string, sid: string, batchId: string): void;