import type { Dispatcher } from "undici";
import type { PushType } from "../notifications/notification.js";
export declare const Connector: {
    readonly Certificate: 1;
    readonly Token: 2;
};
export type Connector = (typeof Connector)[keyof typeof Connector];
export interface APNsHeaders {
    "apns-id"?: string;
    "apns-expiration": string;
    "apns-priority": string;
    "apns-push-type": PushType;
    /**
     * Only broadcast notifications
     */
    "apns-channel-id"?: string;
    "apns-request-id"?: string;
    /**
     * Only classic notifications,
     * not broaadcast ones.
     */
    "apns-topic"?: string;
    "apns-collapse-id"?: string;
}
export type ConnectorSendPayload<Headers extends Record<string, string | undefined>> = {
    baseUrl: string;
    requestPath: string;
    headers: Headers;
} & ({
    method: "POST";
    body: Record<string, unknown>;
} | {
    method: "DELETE";
    body?: Record<string, unknown> | undefined;
} | {
    method: "GET";
});
export interface DeliveryResult {
    apnsId: string;
    apnsUniqueId?: string | undefined;
}
export interface ConnectorProtocol {
    readonly connectionType: Connector;
    send<Headers extends Record<string, string | undefined>>(payload: ConnectorSendPayload<Headers>, debug?: boolean): Promise<Dispatcher.ResponseData<null>>;
}