import * as ajax from '../../shared/app-transport/ajax';
import { OAuthCredentials } from '../../shared/auth-credentials';
import { HandlerInput } from '../../shared/types/handler-input';
import { SecretsType } from '../../shared/types/secrets-type';
import { ConnectorRequestOptions } from './connector-types';
/**
 * The Connector class is a facade class used to talk with the eps main server.
 */
export declare class Connector {
    private onInitSuccess;
    private onInitFailure;
    appSnapshot?: object;
    /**
     * Property to set an array of {@link HandlerInput} instances to be transmitted to connector handlers from the connector app.
     *
     * Don’t transmit sensitive information through `handlerInputs` because it could be susceptible to logging and internal storage.
     */
    handlerInputs?: HandlerInput[];
    /**
     * Property is used to transmit sensitive information to connector handlers from the connector app.
     *
     * In Tableau apps, Secrets are excluded from storage within saved workbooks. Secrets are securely retained in Tableau Server’s keychain.
     */
    secrets: SecretsType | undefined;
    private options?;
    private isInsideIframe;
    private isInitialized;
    private readonly initTimeout;
    private permission;
    constructor(onInitSuccess?: (connector: Connector) => void, onInitFailure?: (connector: Connector, err: Error) => void);
    private initialize;
    private initComplete;
    /**
     * Send a GET request.
     *
     * By default, it sends the request directly to the endpoint.
     * When requestOptions.bypassCorsPolicy is set, the request will be forwarded
     * to EPS. This can be used when a server has certain CORS policy. When EPS
     * receives the forwarded request, it will validate the connector's permission
     * settings defined in the connector.json.
     *
     * The function also validates the connector's permission settings on the
     * client.
     */
    get(url: string, requestOptions?: ConnectorRequestOptions): Promise<ajax.AjaxResponse>;
    /**
     * Send a POST request.
     *
     * By default, it sends the request directly to the endpoint.
     * When requestOptions.bypassCorsPolicy is set, the request will be forwarded
     * to EPS. This can be used when a server has certain CORS policy. When EPS
     * receives the forwarded request, it will validate the connector's permission
     * settings defined in the connector.json.
     *
     * The function also validates the connector's permission settings on the
     * client.
     */
    post(url: string, body?: object, requestOptions?: ConnectorRequestOptions): Promise<ajax.AjaxResponse>;
    private getIframeMessage;
    submit(): Promise<void>;
    private validateApiPermission;
    private forwardRequest;
    cancel(): void;
    get oAuthCredentials(): OAuthCredentials;
}