/**
 * Request tracking and management
 */
declare class RequestTracker {
    private activeRequests;
    private requestGroups;
    /**
     * Register a request with tracking
     *
     * @param key - Unique request identifier
     * @param controller - Optional AbortController for the request
     * @param group - Optional group name for bulk management
     */
    register(key: string, controller?: AbortController, group?: string): void;
    /**
     * Unregister a completed request
     *
     * @param key - Request identifier to remove
     */
    unregister(key: string): void;
    /**
     * Abort a specific request
     *
     * @param key - Request identifier
     * @param reason - Optional abort reason
     */
    abort(key: string, reason?: string): void;
    /**
     * Abort all requests in a group
     *
     * @param group - Group name
     * @param reason - Optional abort reason
     */
    abortGroup(group: string, reason?: string): void;
    /**
     * Abort all tracked requests
     *
     * @param reason - Optional abort reason
     */
    abortAll(reason?: string): void;
    /**
     * Get active request count
     *
     * @returns Number of active requests
     */
    getActiveCount(): number;
    /**
     * Check if a request is active
     *
     * @param key - Request identifier
     * @returns True if request is active
     */
    isActive(key: string): boolean;
    /**
     * Get all active request keys
     *
     * @returns Array of active request keys
     */
    getActiveKeys(): string[];
    /**
     * Get all group names
     *
     * @returns Array of group names
     */
    getGroups(): string[];
    /**
     * Get requests in a specific group
     *
     * @param group - Group name
     * @returns Array of request keys in the group
     */
    getGroupRequests(group: string): string[];
}
export declare const requestTracker: RequestTracker;
export { RequestTracker };
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