/**
 * Build time-related query parameters for RAPIDS API
 *
 * @param timeRange Time range parameters from node input
 * @returns Formatted query parameters object
 */
export declare function buildTimeParams(timeRange: any): Record<string, any>;
/**
 * Validate MAC address format
 *
 * @param mac MAC address to validate
 * @returns boolean indicating if the MAC address is valid
 */
export declare function isValidMacAddress(mac: string): boolean;
/**
 * Format epoch timestamp to ISO string for display
 *
 * @param timestamp Epoch timestamp in milliseconds
 * @returns ISO date string
 */
export declare function formatEpochToISOString(timestamp: number): string;