import { UserAccess, SharedDocumentInfo, SharedAccessMode, ModificationType, ModificationsState } from "../SharedDocuments/types";
import { ISupportApi } from "./ISupportApi";
import { GcPdfViewer } from "../GcPdfViewer";
import { AnnotationBase } from "../Annotations/AnnotationTypes";
import { ClientMessageType, ClientMessage, ClientRequestType } from "./Connection/ClientMessage";
import { ServerMessage, StartSharedModeResponse } from "./Connection/ServerMessage";
import { ProgressDialogSink } from "../Dialogs/Types";
import { SaveSettings, StampCategory, ViewerFeatureName } from "../Models/ViewerTypes";
import { DocumentModification, ExtractedTableData, OpenDocumentInfo } from "./types";
import { SupportApiType, TaskStatusAnswer } from "./ISupportApiBase";
import { ClientTableExtractOptions } from "../TableDataExtraction/types";
/**
 * SupportApi client.
 *
 * Usage example:
 * let supportApi = new SupportApi({supportApiUrl: "http://localhost/supportapiservice"});
 * await supportApi.open("somedomain.com/mypdf.pdf");
 * await supportApi.close();
 **/
export declare class SupportApiImpl implements ISupportApi {
    private _host;
    private _supportApiUrl;
    private _openPromise?;
    private _openedDocumentInfo?;
    private _options;
    private _clientId;
    private _persistentConnection?;
    private _documentSharedFlag;
    private _webSocketUrl;
    private _requestInit;
    private _token;
    private _status;
    userAccessList: UserAccess[];
    sharedAccessMode: SharedAccessMode;
    private _connected?;
    private _lastConnectAttemptPromise;
    private _serverVersion;
    /**
     * Constructor.
     * @param options
     */
    constructor(_host: GcPdfViewer, options?: any);
    dispose(): void;
    /**
     * Unique client identifier.
     * */
    get clientId(): string;
    /**
     * Opened document information with meta-data.
     * */
    get docInfo(): OpenDocumentInfo;
    get status(): 'opening' | 'opening-shared' | 'opened-shared' | 'opened' | 'closed';
    set status(val: 'opening' | 'opening-shared' | 'opened-shared' | 'opened' | 'closed');
    /**
     * Returns the type of the SupportApi implementation.
     */
    get supportApiType(): SupportApiType | undefined;
    /**
     * Call this method in order to apply pdf viewer options when options are changed.
     * @param options
     */
    applyOptions(options?: any): void;
    /**
     * Sets the viewer instance for the SupportApi client. This method is called during the initialization of the viewer.
     * It passes a reference to the viewer that utilizes an instance of the SupportApi client of this class.
     *
     * @param viewer The viewer instance that uses the SupportApi client instance of this class.
     */
    setViewer(viewer: any): void;
    /**
    * Gets a value indicating whether the viewer has a persistent connection to the server.
    **/
    get hasPersistentConnection(): boolean;
    /**
     * Indicates whether the viewer can edit the specified annotation.
     * @param annotation
     */
    canEditAnnotation(annotation?: AnnotationBase | null): boolean;
    /**
     * Closes previously opened document and free client and server resources.
     **/
    close(): Promise<string>;
    /**
    * Returns an array of features that are disabled or unsupported by the SupportApi instance.
    *
    * @returns {ViewerFeatureName[] | null} - An array of feature names that are disabled/unsupported,
    *                                         or null if the information is unavailable.
    */
    getDisabledFeatures(): ViewerFeatureName[] | null;
    /**
     * Returns list of all users who have access to the active document.
     */
    listUsersWithAccess(): Promise<UserAccess[]>;
    /**
    *  Returns list of all available users.
    */
    listAllUsers(): Promise<string[]>;
    /**
    * Returns list of all documents shared for current user.
    */
    listSharedDocuments(): Promise<SharedDocumentInfo[]>;
    /**
    * Open a shared document on the server.
    * @param documentId
    */
    openSharedDocument(documentId: string): Promise<OpenDocumentInfo>;
    /**
    * Start sharing document. This method should be called after the openSharedDocument method and after the document is open by the viewer.
    * */
    startSharedMode(): Promise<StartSharedModeResponse>;
    stopSharedMode(): Promise<void>;
    /**
     * Allow access to an active document for the user specified by the userName argument.
     * @param userName
     * @param accessMode
     */
    shareDocument(userName: string, accessMode: SharedAccessMode, modificationsState: ModificationsState, startSharedMode?: boolean): Promise<OpenDocumentInfo | null>;
    /**
     * Disallow access to an active document for the user specified by the userName argument.
     * @param userName
     */
    unshareDocument(userName: string): Promise<void>;
    /**
     * Send a message to the server over a persistent connection without waiting for an answer.
     * @param type
     * @param messageData
     */
    sendMessage(type: ClientMessageType, messageData: Partial<ClientMessage>): Promise<void>;
    /**
     * Send a request message to the server over a persistent connection and return a promise that is resolved by the server's response.
     * @param type
     * @param messageData
     */
    sendRequest<T>(type: ClientRequestType, messageData?: Partial<ClientMessage>): Promise<T>;
    get documentId(): string;
    get isDocumentShared(): boolean;
    /**
     * Gets a value indicating whether the SupportApi client currently connected to the server.
     **/
    get isConnected(): boolean;
    /**
    * Sets a value indicating whether the SupportApi client currently connected to the server.
    **/
    set isConnected(val: boolean);
    /**
     * Attempt to connect SupportApi client to server.
     * @param lazy Optional. Pass true if you don't want to check the connection again if the server is already checked. Default is false.
     */
    connect(lazy?: boolean): Promise<boolean>;
    /**
     * Modify shared document.
     * @param type Modification type.
     * @param data Modification data.
     */
    modifySharedDocument(type: ModificationType, data?: {
        pageIndex: number;
        annotation: AnnotationBase;
    } | {
        pageIndex: number;
        annotationId: string;
    } | {
        resultStructure: number[];
        structureChanges: {
            pageIndex: number;
            add: boolean;
            checkNumPages: number;
        }[];
        pdfInfo: {
            numPages: number;
            fingerprint: string;
        };
    }): Promise<void>;
    /**
     * This method is called when a new server message is received,
     * except for request response messages, these messages are processed by the caller.
     * @param message
     */
    onPushMessage(message: ServerMessage): void;
    /**
    * Gets the URL which can be used to download modified document from SupportApi service.
    * @param filename Default value for filename property in HTTP header.
    */
    getDownloadUrl(filename: string, format: "PDF" | "PNG" | "SVG" | undefined, correlationId: string): string;
    /**
    * Gets the URL which can be used to download modified document from SupportApi service.
    * @param filename Default value for filename property in HTTP header.
    */
    getDownloadUnmodifiedUrl(filename: string): string;
    /**
    * Open document from given URL.
    * @param url
    */
    /**
     *  Set viewer options. Method should be called before start using Support API.
     *  Returns "ok" or Error message.
     **/
    setOptions(saveSettings: SaveSettings | undefined, correlationId: string, fileName?: string): Promise<string>;
    extractTableData(extractSettings?: ClientTableExtractOptions): Promise<ExtractedTableData[] | null>;
    /**
     * Open document using binary data.
     * @param data
     */
    openBinary(data: any): Promise<void>;
    /**
     * Closes the document loader and releases resources on the server.
     * @returns A promise that resolves to a boolean indicating the success of the operation.
     */
    closeDocumentLoader(): Promise<boolean>;
    /**
     * Make sure the document loader is exists on the server.
     * Document Loader may not be present after server restart.
     **/
    checkDocumentLoader(): Promise<boolean>;
    /**
     * Checks the status of a long asynchronous task by its correlation ID.
     *
     * @param {string} [correlationId] - Optional correlation ID to identify the task.
     * @returns {Promise<{ done?: boolean; code?: number; message?: string; current?: number; total?: number; } | null>} A promise that resolves to an object containing the task status, or null if an error occurs.
     */
    checkTaskStatus?(correlationId?: string): Promise<TaskStatusAnswer | null>;
    cancelTask?(correlationId?: string): Promise<void>;
    /**
     * Get predefined stamp images info.
     **/
    getStampCategories(): Promise<StampCategory[]>;
    getStampImageUrl(categoryId: string, imageName: string, enableCache: boolean): string;
    /**
    * Download modified files from shared storage.
    * @param fileIds
    * @param sink
    */
    downloadFiles(fileIds: string[], sink?: ProgressDialogSink): Promise<boolean>;
    /**
     * Upload files.
     * @param fileIds
     * @param sink
     */
    uploadFiles(fileIds: string[], sink?: ProgressDialogSink): Promise<boolean>;
    /**
     * Modify opened document. Returns "ok" or Error message.
     * @param documentModification
     */
    modify(documentModification: DocumentModification, correlationId: string): Promise<string>;
    /**
     * Verify signature field.
     * @param fieldName
     */
    verifySignature(fieldName: string): Promise<boolean>;
    /**
    * Contact server and get Support API version.
    * */
    serverVersion(): Promise<any>;
    /**
     * Contact server and pop last error if any.
     * Returned promise is always resolved even when server is not available.
     * */
    getLastError(): Promise<string>;
    private _reset;
}