import type { BasicAuth, RequestData, PushRequestData, MetricRequestData, RequestDefaults, RetryOptions } from './request';
import Request from './request';
import { Region } from './regions';
import type { IdentifierType } from './types';
type TrackDefaults = RequestDefaults & {
    region: Region;
    url?: string;
    retry?: Partial<RetryOptions>;
};
export type BatchOperation = Record<string, any>;
/**
 * Client for the Customer.io Track API.
 *
 * Authenticates with a site id + API key (basic auth). Use this client to
 * identify people, track events, manage devices, and merge profiles.
 *
 * Every method rejects with a {@link CustomerIORequestError} when the API
 * returns a non-2xx status.
 *
 * @example
 * ```ts
 * import { TrackClient, RegionUS } from 'customerio-node';
 *
 * const cio = new TrackClient(siteId, apiKey, { region: RegionUS });
 * await cio.identify('123', { email: 'a@example.com', plan: 'pro' });
 * await cio.track('123', { name: 'signup' });
 * ```
 */
export declare class TrackClient {
    siteid: BasicAuth['siteid'];
    apikey: BasicAuth['apikey'];
    defaults: TrackDefaults;
    request: Request;
    trackRoot: string;
    trackV2Root: string;
    /**
     * @param siteid Your Customer.io workspace site id.
     * @param apikey Your Customer.io Track API key.
     * @param defaults Optional overrides. Use `region` to select {@link RegionUS} or {@link RegionEU},
     *   `url` to point at a custom host (e.g. a mock server), `timeout` (ms, default `10000`), or any
     *   other fetch {@link RequestDefaults} field — notably `dispatcher` (an undici `Agent` /
     *   `ProxyAgent`) for proxies, custom TLS, or connection keep-alive.
     * @throws If `region` is provided and is not a {@link Region} instance.
     */
    constructor(siteid: BasicAuth['siteid'], apikey: BasicAuth['apikey'], defaults?: Partial<TrackDefaults>);
    /**
     * Create or update a person.
     *
     * To update an existing person's identifier (e.g. change their `id` or `email`),
     * pass the `cio_id` prefixed with `cio_` as `customerId`.
     *
     * @param customerId The person's unique identifier (id, email, or `cio_<cio_id>`).
     * @param data Attributes to set on the person. `email` is required if you intend to
     *   send email messages; `created_at` is required for time-based segmentation.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` is empty.
     */
    identify(customerId: string | number, data?: RequestData): Promise<Record<string, any>>;
    /**
     * Permanently delete a person.
     *
     * This does not suppress the person — they can be re-added later. To prevent
     * re-adding, use {@link TrackClient.suppress} instead.
     *
     * @param customerId The person's unique identifier.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` is empty.
     */
    destroy(customerId: string | number): Promise<Record<string, any>>;
    /**
     * Suppress a person. Suppressed people are deleted and cannot be re-added by
     * subsequent `identify` calls. Pair with {@link TrackClient.unsuppress} to reverse.
     *
     * @param customerId The person's unique identifier.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` is empty.
     */
    suppress(customerId: string | number): Promise<Record<string, any>>;
    /**
     * Unsuppress a previously suppressed person.
     *
     * @param customerId The person's unique identifier.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` is empty.
     */
    unsuppress(customerId: string | number): Promise<Record<string, any>>;
    /**
     * Record an event for a known person.
     *
     * @param customerId The person's unique identifier.
     * @param data Event payload. Must include a `name` string. Optionally include `data`
     *   (object of event attributes) and `type` to differentiate event vs. page events.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` or `data.name` is empty.
     */
    track(customerId: string | number, data?: RequestData): Promise<Record<string, any>>;
    /**
     * Record an event for an anonymous (not-yet-identified) person.
     *
     * Anonymous events cannot trigger campaigns directly, but if event merging
     * is enabled and you later `identify` the person with a matching
     * `anonymous_id` attribute, prior anonymous events will be associated
     * with the profile. Events associated within 72 hours can trigger campaigns.
     *
     * Pass an empty string for `anonymousId` to send an anonymous invite event
     * (requires a `recipient` attribute in `data`).
     *
     * @param anonymousId Identifier for the anonymous person, or `''` for an invite event.
     * @param data Event payload. Must include a `name` string.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `data.name` is empty.
     */
    trackAnonymous(anonymousId: string | number, data?: RequestData): Promise<Record<string, any>>;
    /**
     * Record a page view event for a known person.
     *
     * @param customerId The person's unique identifier.
     * @param path The page URL or path being viewed.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` or `path` is empty.
     */
    trackPageView(customerId: string | number, path: string): Promise<Record<string, any>>;
    /**
     * Report a push notification lifecycle event (delivered, opened, converted).
     *
     * Used by integrations that want to feed delivery telemetry back to Customer.io
     * for analytics and campaign optimization.
     *
     * @param data Push event payload (delivery_id, device_id, event, timestamp).
     * @returns The parsed JSON response body.
     */
    trackPush(data?: PushRequestData): Promise<Record<string, any>>;
    /**
     * Register a device for push delivery to a person.
     *
     * @param customerId The person's unique identifier.
     * @param device_id The platform-issued device/push token (e.g. APNs token, FCM token).
     * @param platform Device platform — typically `"ios"` or `"android"`.
     * @param data Optional device metadata. `last_used` (unix timestamp) is treated specially;
     *   any other keys are stored as device attributes.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId`, `device_id`, or `platform` is empty.
     */
    addDevice(customerId: string | number, device_id: string, platform: string, data?: Record<string, any>): Promise<Record<string, any>>;
    /**
     * Remove a device from a person.
     *
     * @param customerId The person's unique identifier.
     * @param deviceToken The device/push token to remove.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `customerId` or `deviceToken` is empty.
     */
    deleteDevice(customerId: string | number, deviceToken: string | number): Promise<Record<string, any>>;
    /**
     * Send a batch of Track API operations in a single request to the v2 batch endpoint.
     *
     * Each operation is a self-describing object (e.g. an identify, track, or
     * delete payload). Use this to reduce request overhead for high-volume work.
     *
     * @param operations A non-empty array of batch operation objects.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `operations` is not a non-empty array.
     */
    batch(operations: BatchOperation[]): Promise<Record<string, any>>;
    /**
     * Merge two people. The secondary profile is permanently deleted and its
     * attributes/events are merged into the primary.
     *
     * The identifier types are independent: you can merge by `email` into a
     * profile identified by `id`, and so on.
     *
     * @param primaryIdType Type of identifier for the surviving profile.
     * @param primaryId Identifier value for the surviving profile.
     * @param secondaryIdType Type of identifier for the profile to be merged in.
     * @param secondaryId Identifier value for the profile to be merged in.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If either `primaryId` or `secondaryId` is empty.
     * @throws {Error} If either identifier type is not one of {@link IdentifierType}.
     */
    mergeCustomers(primaryIdType: IdentifierType, primaryId: string | number, secondaryIdType: IdentifierType, secondaryId: string | number): Promise<Record<string, any>>;
    /**
     * Look up the data region your account belongs to.
     *
     * Confirms whether your workspace is hosted in the US or EU region and
     * returns the base URL your other Track API calls should use.
     *
     * @returns The parsed JSON response body (`{ url, region, environment_id }`).
     */
    getAccountRegion(): Promise<Record<string, any>>;
    /**
     * Send a single self-describing Track operation to the v2 entity endpoint.
     *
     * This is the singular counterpart to {@link TrackClient.batch}: `operation`
     * is the same shape as one element of a `batch` array — an identify, track,
     * delete, merge, add/remove relationship, add/remove device, etc.
     *
     * @param operation A single batch-style operation object.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `operation` is not a non-empty object.
     */
    entity(operation: BatchOperation): Promise<Record<string, any>>;
    /**
     * Add people to a manual segment.
     *
     * @param segmentId The manual segment's id.
     * @param customerIds The identifiers of the people to add (1–1000). The value
     *   type must match `idType`; entries that don't match are ignored by the API.
     * @param idType Which identifier kind the values in `customerIds` are. When
     *   omitted, the API uses its default (`id`).
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `segmentId` is empty or `customerIds` is not a non-empty array.
     * @throws {Error} If `idType` is provided and is not a valid {@link IdentifierType}.
     */
    addCustomersToSegment(segmentId: string | number, customerIds: Array<string | number>, idType?: IdentifierType): Promise<Record<string, any>>;
    /**
     * Remove people from a manual segment.
     *
     * @param segmentId The manual segment's id.
     * @param customerIds The identifiers of the people to remove (1–1000). The value
     *   type must match `idType`; entries that don't match are ignored by the API.
     * @param idType Which identifier kind the values in `customerIds` are. When
     *   omitted, the API uses its default (`id`).
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `segmentId` is empty or `customerIds` is not a non-empty array.
     * @throws {Error} If `idType` is provided and is not a valid {@link IdentifierType}.
     */
    removeCustomersFromSegment(segmentId: string | number, customerIds: Array<string | number>, idType?: IdentifierType): Promise<Record<string, any>>;
    /**
     * Submit a form on behalf of a person.
     *
     * The `data` object holds the submitted form fields. It must contain exactly
     * one identifier (`email` or `id`, depending on your workspace settings) so
     * the submission can be attributed to a person; the person is created if they
     * don't already exist.
     *
     * @param formId The form's id.
     * @param data The submitted form fields, including the identifier.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `formId` is empty or `data` is not a non-empty object.
     */
    submitForm(formId: string | number, data?: RequestData): Promise<Record<string, any>>;
    /**
     * Report a delivery metric (open, click, bounce, etc.) back to Customer.io.
     *
     * Unlike {@link TrackClient.trackPush} (which targets push deliveries only via
     * `/push/events`), this reports metrics for any channel — email, SMS, push,
     * in-app, Slack, or webhook — to the `/metrics` endpoint. The valid `metric`
     * values depend on the delivery's channel.
     *
     * @param data Metric payload. `delivery_id` is required; optionally include
     *   `metric`, `timestamp`, `recipient`, `reason`, and `href`.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `data.delivery_id` is empty.
     */
    reportMetric(data?: MetricRequestData): Promise<Record<string, any>>;
    /**
     * Custom unsubscribe handling for a specific delivery.
     *
     * Sets (or clears) the recipient's `unsubscribed` attribute and attributes the
     * change to the given delivery. This endpoint lives at the host root (not under
     * `/api/v1`) and does not require authentication — the `deliveryId` itself is
     * the secret.
     *
     * @param deliveryId The `CIO-Delivery-ID` of the message to unsubscribe from.
     * @param unsubscribe When `true` (default) the person is unsubscribed; `false` resubscribes them.
     * @returns The parsed JSON response body.
     * @throws {MissingParamError} If `deliveryId` is empty.
     */
    unsubscribe(deliveryId: string | number, unsubscribe?: boolean): Promise<Record<string, any>>;
}
export {};