import { Resource } from '@i4mi/fhir_r4';
import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
import { SecureStorage } from '@ionic-native/secure-storage/ngx';
import { InAppBrowserSettings } from './ionic-on-fhir.types';
export declare class IonicOnFhirService {
    private iab;
    private secStorage;
    private authWindow;
    private authRequestParams;
    private authResponseParams;
    private tokenExchangeParams;
    private conformanceStatementUrl;
    private fhirServerUrl;
    private storage;
    private iabSettings;
    private loggedIn;
    private apiMethods;
    constructor(iab: InAppBrowser, secStorage: SecureStorage);
    /**
     * First to call.
     * Set values the library needs for the authentication process.
     * @param fhirServerUrl The url to the server (for example test.midata.coop)
     * @param clientId App name given to the auth request as client id
     */
    initIonicOnFhir(fhirServerUrl: string, clientId: string): void;
    /**
     * Checks if user is logged in. This is deprecated and will be removed, because
     * it's not reliable. Instead, you are encouraged to keep track of your login-state
     * in your application.
     * @returns boolean (true if logged in)
     * @deprecated
     */
    isLoggedIn(): boolean;
    /**
     * Config params for in app browser as array<{key:value}>
     * Call when you do not want default settings
     * @param settings: Array<InAppBrowserSettings> Array of inappbrowser settings. Documented here:
     * https://github.com/apache/cordova-plugin-inappbrowser
     */
    configInAppBrowser(settings: Array<InAppBrowserSettings>): void;
    /**
     * Function that lets you define a different content type for you fhir server
     * than the default type of the lib. Default: "application/fhir+json;fhirVersion=4.0"
     * @param contentType content type for header param
     */
    differentiateContentType(contentType: string): void;
    /**
     * Function that lets you define a different conformance endpoint url
     * if it diverges from standard pattern, which is serverUrl + "/fhir/metadata"
     * @param url of the conformance statement endpoint
     */
    differentiateConformanceStatementUrl(url: string): void;
    /**
     * Function to differentiate from the default scope
     * 'user/*.*'
     * @param scope Scope of logged in user
     */
    differentiateScope(scope: string): void;
    /**
     * Function to differentiate from the default aud
     * '/fhir'
     * @param scope Scope of logged in user
     */
    differentiateAud(aud: string): void;
    /**
     * Authenticate someone over oAuth2
     * @param params (optional) an Object
     * @returns Promise<any> -
     * if success: returns auth response (type AuthResponse) and saves response to secure storage
     * else: error message
     */
    authenticate(params?: Object): Promise<any>;
    /**
     * Refresh session and refreshes it, if user was logged in.
     * Tries to refresh the authentication token by authorizing with the help of the refresh token.
     * This will generate a new authentication as well as a new refresh token. On successful refresh,
     * the old refresh_token will be invalid and both the access_token and the refresh_token will be overwritten.
     * Previous access_tokens will remain valid until their expiration timestamp is exceeded.
     * @returns resolves the auth response if success
     * @returns reject every other case
     */
    refreshSession(): Promise<any>;
    /**
     * Destroys all auth information from storage
     * and sets logged in to false
     */
    logout(): Promise<any>;
    /**
     * Creates a resource
     * on the fhir server
     * @param resource resource to save
     * @returns resolve of resource as JSON if status 200 or 201
     * @returns reject every other case with message
     */
    create(resource: Resource | any): Promise<any>;
    /**
     * Updates a resource
     * on the fhir server
     * @param resource resource to update
     * @returns resolve of resource as JSON if status 200 or 201
     * @returns reject every other case with message
     */
    update(resource: Resource | any): Promise<any>;
    /**
     * Searches for one or multiple resources
     * @param resourceType resource type to look up
     * @param params search parameters according fhir resource guide$
     * @returns resolve of resource as JSON if status 200 or 201
     * @returns reject every other case with message
     */
    search(resourceType: string, params: any): Promise<any>;
    /**
     * Makes api call to get the auth and token url
     * from the fhir/midatata of the server.
     * Returns a json response with a resource in the .body
     * Rejects the original error if one occures
     */
    private fetchConformanceStatement;
    /**
     * function that interprets the result of the api request
     */
    private interpretConfirmantStatementResponse;
    /**
     * Inits a session:
     * State and state hash (jsSHA-256)
     */
    private initSession;
    /**
     * Generates random state string with given length
     * If lengts set to 0, it will take 122
     * @param length length of the string to generate
     */
    private generateRandomState;
    /**
     * After successful authentication on midata this method is invoked. It exchanges the authCode
     * obtained from midata with the access_token used to query the FHIR endpoint API.
     */
    private exchangeTokenForCode;
    /**
     * function that interprets the result of the api request
     */
    private interpretTokenResponse;
    /**
     * Saves given response body in the secure storage
     */
    private saveAuthResponse;
    /**
     * Loads the auth response if there was one (for refresh token etc.)
     */
    private getAuthResponse;
    /**
     * Checks if the device is secure or not
     */
    private checkIfDeviceSecure;
}