import type { TelemetryEvent } from './types';
/**
 * Offline queue for storing events when the network is unavailable
 */
export declare class OfflineQueue {
    private readonly maxSize;
    private readonly debug;
    private queue;
    constructor(maxSize?: number, debug?: boolean);
    /**
     * Add an event to the queue
     */
    enqueue(event: TelemetryEvent): void;
    /**
     * Get all queued events
     */
    getAll(): TelemetryEvent[];
    /**
     * Remove an event from the queue
     */
    remove(eventId: string): void;
    /**
     * Clear all queued events
     */
    clear(): void;
    /**
     * Get the number of queued events
     */
    get size(): number;
    /**
     * Check if the queue is empty
     */
    get isEmpty(): boolean;
    /**
     * Load queue from persistent storage
     */
    private load;
    /**
     * Save queue to persistent storage
     */
    private save;
    /**
     * Deserialize an event from storage
     */
    private deserializeEvent;
}
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