/**
 * Batch Manager - Accumulates events and triggers flushes
 */
import { BaseEvent } from "../types";
import { Logger } from "../utils/logger";
export declare class BatchManager {
    private batch;
    private maxBatchSize;
    private maxBatchInterval;
    private flushTimer;
    private FlushCallback;
    private syncFlushCallback;
    private logger;
    constructor(maxBatchSize: number | undefined, maxBatchInterval: number | undefined, asyncFlushCallback: (events: BaseEvent[]) => Promise<void>, flushSyncCallback: (events: BaseEvent[]) => void, logger: Logger);
    /**
     * Add event to batch
     */
    addEvent(event: BaseEvent): void;
    addBeaconEventAndSend(event: BaseEvent): void;
    /**
     * Flush batch (async)
     */
    flush(): Promise<void>;
    /**
     * Flush batch synchronously (for page unload)
     */
    flushSync(): void;
    /**
     * Get current batch size
     */
    getBatchSize(): number;
    /**
     * Clear batch
     */
    clear(): void;
    /**
     * Destroy batch manager
     */
    destroy(): void;
    /**
     * Start flush timer
     */
    private startTimer;
    /**
     * Stop flush timer
     */
    private stopTimer;
}
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