export declare enum ViewerMessageType {
    CONNECTION_SUCCESS = "CONNECTION_SUCCESS",
    INIT = "INIT",// Indicates the app is initialized
    REQUEST_SAVE = "REQUEST_SAVE",// Request to save data in the parent
    REQUEST_CLOSE = "REQUEST_CLOSE",// Request to save data in the parent
    REQUEST_INITIAL_DATA = "REQUEST_INITIAL_DATA",// Request to load initial data from the parent
    SET_DIRTY = "SET_DIRTY",// Indicates the app has unsaved changes
    SEND_CLOSE = "SEND_CLOSE",// Signals the app is ready to close
    SEND_EXCEPTION = "SEND_EXCEPTION"
}
declare enum ClientMessageType {
    CONNECT = "CONNECT",
    REQUEST_CLOSE = "REQUEST_CLOSE",// Requests the app to close
    REQUEST_SAVE = "REQUEST_SAVE",// Requests the app for data to be saved
    SAVE_ERROR = "SAVE_ERROR",// Sends status of the save event
    SAVE_SUCCESS = "SAVE_SUCCESS",// Sends status of the save event
    DATA_CHANGE = "DATA_CHANGE",
    FILE_DATA = "FILE_DATA",
    WRITE_FILE_ACK = "WRITE_FILE_ACK",
    READ_FILE_ACK = "READ_FILE_ACK",
    INIT_ACK = "INIT_ACK",
    ERROR = "ERROR",
    REFRESH = "REFRESH"
}
interface SaveStatusData {
    status: 'success' | 'error';
    message: string;
}
export interface ViewerEventHandler {
    onInitialData: (data: {
        doc: Document;
        ui: UiProps;
        isNewFile: boolean;
        perms: any;
        config?: Record<string, any>;
    }) => void;
    onDataChange?: (data: {
        doc: Document;
        perms: any;
        userConsent: "override" | null;
    }) => void;
    onCloseRequest: () => void;
    onSaveRequest: () => void;
}
export interface Document {
    data: any;
    name: string;
    type: string;
}
export interface UiProps {
    theme: string;
}
/**
 * DomeEmbeddedAppSdk:
 * Base SDK class providing methods to send messages to the parent application.
 */
declare class DomeEmbeddedAppSdk {
    private readonly targetOrigin;
    protected isAppReady: boolean;
    protected port2: MessagePort | null;
    private platform;
    constructor();
    /**
     * Detects the platform (iOS, Android, or Web) and saves it.
     */
    private detectPlatform;
    /**
    * Method to send messages to the parent application.
    * Ensures the parent window exists and sends a structured message with type and data.
    * @param type - The type of message being sent
    * @param data - (Optional) payload data for the message
    */
    protected sendMessage(type: ViewerMessageType | CardMessageType, data?: any): void;
    /**
     * Notifies the parent application that the app is ready, if it hasn’t already.
     */
    protected sendAppInit(): void;
    /**
     * Safely invokes a function from the handler object if it exists.
     * and logs a warning if the handler is not provided for the given message type.
     *
     * @param eventName - Name of the event method to be invoked from the handler.
     * @param handlerObj - The handler object that contains the message handling methods.
     * @param data - (Optional) The data to be passed to the handler function if invoked.
     */
    protected safeInvoke<T extends ViewerEventHandler | CardEventHandler>(eventName: keyof T, handlerObj: T, data?: any): void;
    protected setupParentConnection(): Promise<void>;
    private notifyConnectionSuccess;
    private handlePortMessage;
    protected handleMessage(type: string, data: any): void;
}
/**
 * ViewerSdk:
 * A subclass of DomeEmbeddedAppSdk specifically for document viewer applications.
 * It includes additional methods and properties to manage app interactions.
 */
export declare class ViewerSdk extends DomeEmbeddedAppSdk {
    private static instance;
    private static initialized;
    private handler;
    private pendingRequests;
    private pendingInitAck;
    private constructor();
    /**
     * Static initialization method to get or create the singleton instance of ViewerSdk.
     * Allows setting the handler during initialization.
     * @param handler - (Optional) Custom handler for different message types
     * @returns The singleton ViewerSdk instance
     */
    static init(handler?: ViewerEventHandler): ViewerSdk;
    /**
     * Method to set or update the handler object.
     * @param handler - Custom handler for different message types
     */
    setHandler(handler: ViewerEventHandler): void;
    /**
     * Checks if the given permissions string allows reading.
     * @param perms - The permissions string.
     * @returns - True if the permission string includes read access.
     */
    canRead(perms?: string): boolean;
    /**
     * Checks if the given permissions string allows writing.
     * @param perms - The permissions string.
     * @returns - True if the permission string includes write access.
     */
    canWrite(perms?: string): boolean;
    initializeViewerSdk(): void;
    /**
     * Sends a request to the parent application to retrieve initial data.
     */
    requestInitialData(): void;
    /**
     * Sends a request to the parent application to save data.
     * @param doc - payload data to be saved
     * @param isDataDirty - Boolean indicating indicating modified data
     */
    requestSave(doc: Document, isDataDirty: boolean): Promise<SaveStatusData>;
    private handleOnSave;
    /**
     * Sets the viewer's "dirty" state, indicating modified data.
     * @param isDirty - Boolean indicating whether the viewer has modified data
     */
    setDirty(isDirty: boolean): void;
    /**
     * Sends a close request to the parent, with information on whether the data is dirty.
     * @param doc - Latest document data
     * @param isDataDirty - Boolean indicating indicating modified data
     */
    sendClose(doc: Document, isDataDirty: boolean): void;
    /**
     * Sends an exception to parent.
     * @param error - An error object with name and message or an error string
     */
    sendException(error: {
        name?: string;
        message: string;
    } | string): void;
    protected handleMessage(type: ClientMessageType, data: any): void;
}
export declare enum CardMessageType {
    APP_READY = "APP_READY",// Indicates the app is ready to be interacted with
    INIT = "INIT",// Event to send the init key to the viewer
    READ_FILE = "READ_FILE",
    WRITE_FILE = "WRITE_FILE",
    FILE_DIRTY = "FILE_DIRTY"
}
export interface CardEventHandler {
    onInit: (data: any) => void;
    onError: (data: {
        error_code: string | number;
        message: string;
        data: any;
    }) => void;
    onFileChange: (data: {
        iuid: string;
        data: {
            data: {
                type: string;
                value: any;
            };
            link: {
                url: string;
            };
            meta: any;
            perms: any;
            from_cache: boolean;
        };
    }) => void;
    onRefreshRequest: (data: any) => void;
}
/**
 * Use CardSdk to create webapp cards
 */
export declare class CardSdk extends DomeEmbeddedAppSdk {
    private static instance;
    private handler;
    private cryptoA01;
    dataStore: any;
    private accessToken;
    cardFS: {
        readFile: (card_iuid: string, name: string) => Promise<any>;
        writeFile: (card_iuid: string, name: string, data: any) => Promise<void>;
    };
    private fileReadResolvers;
    private fileWriteResolvers;
    private pendingAcks;
    private constructor();
    /**
     * Static initialization method to get or create the singleton instance of CardSdk.
     * @param secret - The card developer secret key
     * @param handler - (Optional) Handler for different events emitted by the SDK
     * @returns The singleton CardSdk instance
     */
    static init(secret: string, handler?: CardEventHandler, options?: {
        devMode?: boolean;
    }): Promise<CardSdk>;
    /**
     * Method to set or update the handler object.
     * @param handler - Custom handler for different message types
     */
    setHandler(handler: CardEventHandler): void;
    private initializeCardSdk;
    private sendInit;
    private sendMessageWithAck;
    protected handleMessage: (type: ClientMessageType, data: any) => void;
    private _readFile;
    private _writeFile;
    /**
     * Converts a JavaScript object to a JSON file.
     */
    private convertToJsonFile;
    /**
     * Converts data to a file.
     */
    private convertToFile;
    /**
     * Get document associated with the current card
     */
    getDocumentAttachedToCard(card_iuid: string, document_name?: string, ts_m?: number): Promise<any>;
    /**
     * Save document attached to current card
     */
    postDocumentAttachedToCard(card_iuid: string, document: any): Promise<any>;
    getAllDocumentsAttachedToCard(card_iuid: string): Promise<Response>;
    postUploadFile(name: string, fileObj: any): Promise<any>;
    shareDocumentWithCard(card_iuid: string, documents: any): Promise<any>;
    private sendEventError;
    setFileDirty(data: {
        iuid: string;
        ts_m: number;
    }): void;
    getUsername(userObj: any): string;
}
export {};