import type { BDSubscription, BDQueuedCov } from './objects/device/types.js';
import type { BDDevice } from './objects/device/device.js';
import bacnet from '@innovation-system/node-bacnet';
declare const BACnetClient: typeof bacnet.default;
/**
 * Type representing the BACnet client instance from the underlying library
 */
export type BACNetClientType = InstanceType<typeof BACnetClient>;
/**
 * Ensures that a value or array of values is returned as an array
 *
 * @param val - A single value or array of values
 * @returns An array containing the input value(s)
 * @typeParam T - The type of the values
 */
export declare const ensureArray: <T>(val: T | T[]) => T[];
/**
 * Sends a confirmed COV (Change of Value) notification to a subscriber
 *
 * This function sends a notification that requires confirmation from the recipient,
 * which helps ensure reliable delivery of property value changes.
 *
 * @param client - The BACnet client instance used to send the notification
 * @param emitter - The BACnet device sending the notification
 * @param subscription - The subscription information for the recipient
 * @param cov - The change of value data to send
 * @returns A promise that resolves when the notification is confirmed or rejects on error
 */
export declare const sendConfirmedCovNotification: (client: BACNetClientType, emitter: BDDevice, subscription: BDSubscription, cov: BDQueuedCov) => Promise<void>;
/**
 * Sends an unconfirmed COV (Change of Value) notification to a subscriber
 *
 * This function sends a notification without requiring confirmation from the recipient.
 * This is more efficient but less reliable than confirmed notifications.
 *
 * @param client - The BACnet client instance used to send the notification
 * @param emitter - The BACnet device sending the notification
 * @param subscription - The subscription information for the recipient
 * @param cov - The change of value data to send
 * @returns A promise that resolves when the notification is sent
 */
export declare const sendUnconfirmedCovNotification: (client: BACNetClientType, emitter: BDDevice, subscription: BDSubscription, cov: BDQueuedCov) => Promise<void>;
/**
 * Start date of the process.
 */
export declare const PROCESS_START_DATE: Date;
/**
 * Standard time zone offset local to the computer running this code.
 */
export declare const STD_TZ_OFFSET: number;
/**
 * Returns whether daylight saving time is in effect for a given date,
 * relative to the local time zone of the computer running this code.
 */
export declare const isDstInEffect: (date: Date) => boolean;
export {};
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