/**
 * @module
 *
 * Wrapper to have the signature window embeded in your page with an iframe
 *
 * @example
 * ```ts
 *const yousign = new Yousign({
 *  signatureLink: "signature_link",
 *  iframeContainerId: "iframe-container",
 *  isSandbox: false,
 *  classes: ["h-full", "w-full"],
 *});
 *
 *yousign.onStarted((data) => {
 *  console.log("Signer has opened the signature");
 *  console.log(data);
 *});
 *
 *yousign.onSuccess((data) => {
 *  console.log("Signer has successfully signed");
 *  console.log(data);
 *});
 *
 *yousign.onError((data) => {
 *  console.log("Signer encountered an error when signing");
 *  console.log(data);
 *});
 *
 *yousign.onPing((data) => {
 *  console.log("Ping - The signature request is loaded");
 *  console.log(data);
 *});
 *
 *yousign.onDeclined((data) => {
 *  console.log("Declined - The signer declined the signature");
 *  console.log(data);
 *});
 *
 * ```
 */
interface YousignConfig {
    /**
     * The URL of the signature request.
     */
    signatureLink: string;
    /** The id attribute of the element where the iframe is initialized. */
    iframeContainerId: string;
    /** To set if you want to test your integration with sandbox environment */
    isSandbox?: boolean;
    /** Classes to add to the iframe component once it loaded */
    classes?: string[];
}
type YousignRadio = {
    /** The radio button ID. */
    id: string;
    /** Determines if the radio button field on the signature was checked. */
    checked: boolean;
    /** Name of the radio button */
    name: string;
    /** Name of the radio button */
    x: number;
    /** Name of the radio button */
    y: number;
};
type YousignCheckboxAnswer = {
    /** Field ID. */
    field_id: string;
    field_type: "checkbox";
    /** Determines if the checkbox field on the signature was checked. */
    checked: boolean;
    /** Determines if the checkbox field on the signature was optional. */
    optional: boolean;
};
type YousignTextAnswer = {
    /** Field ID. */
    field_id: string;
    field_type: "text";
    /** The question in the text field on the signature. */
    question: string;
    /** The answer of the question text field on the signature. */
    answer: string;
};
type YousignRadioGroupAnser = {
    /** Field ID. */
    field_id: string;
    /** The field type, see {@link https://developers.yousign.com/docs/signer-fields|signer fields} for more information about fields). */
    field_type: "radio_group";
    /** Determines if the radio group field on the signature was optional. */
    optional: boolean;
    /** List of the radio button attached to the radio group. */
    radios: YousignRadio[];
};
type YousignAnswer = YousignTextAnswer | YousignCheckboxAnswer | YousignRadioGroupAnser;
type YousignBaseEvent = {
    /**Always equal to yousign */
    type: string;
    /**The signer ID. */
    signer_id: string;
    /** The signature request ID   */
    signature_request_id: string;
    payload?: {
        redirectUrl?: string;
    };
};
type YousignSuccessEvent = YousignBaseEvent & {
    event: "success";
    answers: YousignAnswer[];
};
type YousignErrorEvent = YousignBaseEvent & {
    event: "error";
    answers: YousignAnswer[];
};
type YousignStartedEvent = YousignBaseEvent & {
    event: "started";
};
type YousignDeclinedEvent = YousignBaseEvent & {
    event: "declined";
};
type YousignPingEvent = YousignBaseEvent & {
    event: "ping";
};
/**
 * Collection of possible types of the events
 */
type YousignEvent = YousignSuccessEvent | YousignErrorEvent | YousignStartedEvent | YousignDeclinedEvent | YousignPingEvent;
type EventCallback<T extends YousignEvent["event"] = any> = (data: T extends YousignEvent["event"] ? Extract<YousignEvent, {
    event: T;
}> : YousignEvent) => void;
/**
 * For security reasons, iFrame is available only in production on whitelisted domains. To add your domains, please get in touch with our support.
 * @example ````ts
 const yousign = new Yousign({
   signatureLink: "signature_link",
   iframeContainerId: "iframe-container",
   isSandbox: false,
   classes: ["h-full", "w-full"],
 });

 yousign.onStarted((data) => {
   console.log("Signer has opened the signature");
   console.log(data);
 });

 yousign.onSuccess((data) => {
   console.log("Signer has successfully signed");
   console.log(data);
 });

 yousign.onError((data) => {
   console.log("Signer encountered an error when signing");
   console.log(data);
 });

 yousign.onPing((data) => {
   console.log("Ping - The signature request is loaded");
   console.log(data);
 });

 yousign.onDeclined((data) => {
   console.log("Declined - The signer declined the signature");
   console.log(data);
 });

 ```
 */
declare class Yousign {
    private childOrigin;
    private eventCallbacks;
    private iframe;
    private messageHandler;
    private urlParams;
    /**
     * @param {YouSignConfig} config
     * @throws {InvalidSignatureLink} The signature link is not an URL or not valid.
     * @throws {IframeContainerNotFound} The Iframe container is not found
     */
    constructor({ signatureLink, iframeContainerId, isSandbox, classes, }: YousignConfig);
    private receiveMessage;
    /**
     * A function that is triggered when the signature is opened.
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    onStarted(callback: EventCallback<"started">): void;
    /**
     * A function that is triggered when the signature is signed successfully.
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    onSuccess(callback: EventCallback<"success">): void;
    /**
     * A function that is triggered when the signature encountered an error when signing.
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    onError(callback: EventCallback<"error">): void;
    /**
     * A function that is triggered every 5 seconds to inform the signature request is loaded.
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    onPing(callback: EventCallback<"ping">): void;
    /**
     * A function that is triggered when the signer declined the signature.
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    onDeclined(callback: EventCallback<"declined">): void;
    /**
     * @throws {InvalidCallbackFunction} Callback on event is not a function
     */
    private setEventCallback;
    removeMessageListener(): void;
}

export { Yousign, type YousignEvent };