import { Jwk } from './jwt/jwk';
import { JwtClaims } from './jwt/jwt-claims';
import { JsonObject } from './utils/json';
/**
 * The main service class to be used by a plug-in to establish a safe and secure
 * communication to the COYO front end bridge. It acts as a unified interaction
 * interface to all other plug-in handlers.
 */
export declare class PluginAdapter {
    private static readonly CONFIG_SRC_SUFFIX;
    private jwkStore;
    private initAdapter;
    private initConfigAdapter;
    private heightAdapter;
    private heightConfigAdapter;
    private configAdapter;
    readonly srcId: string;
    /**
     * Creates a new instance of this class.
     *
     * @param srcId the plug-in source ID to use for requests
     * @returns the new instance
     */
    constructor(srcId?: string);
    /**
     * Registers a new set of JSON Web Keys in the store. It is possible to
     * register multiple keys for a single environment in order to account for
     * key renewals with a transition period.
     *
     * @param test a regular expression to check if this key is applicable
     * @param jwk the JSON Web Key(s) to register
     */
    addJwk(test: RegExp, ...jwk: Jwk[]): void;
    /**
     * Register a new trustworthy URL to retrieve JSON Web Keys from.
     *
     * @param url the URL to register
     */
    addJwkHost(url: string): void;
    /**
     * Sends an initialization message to the parent window (i.e. COYO)
     * and retrieves the decoded (and possibly validated) response as well as the
     * raw token response.
     *
     * @param config a flag indicating if the plugin configuration view should be initialized
     * @param timeout a maximum time to wait for the response
     * @param validate a flag indicating if the JWT response should be validated
     * @returns a promise holding the response data
     */
    init(config?: boolean, timeout?: number, validate?: boolean): Promise<{
        claims: JwtClaims;
        token: string;
        validated: boolean;
    }>;
    /**
     * Starts to listen to COYO requests to save the current configuration.
     * Provides a `respond` callback that is used to respond to the received
     * message. The response can be `true` to indicate success without providing
     * any data, `false` to indicate failure (e.g. an invalid configuration state)
     * or a JSON object holding the configuration values to be stored on COYO
     * side.
     *
     * @param cb a callback that is executed every time a save request is received
     * @param validate a flag indicating if the JWT response should be validated
     * @returns a disconnect handler to stop listening to save events
     */
    onSave(cb: (respond: (data: boolean | JsonObject) => void, token: string) => void, validate?: boolean): () => void;
    /**
     * Starts to observe the HTML element that matches the given selectors and
     * sends throttled update messages to COYO.
     *
     * @param config a flag indicating if the plugin configuration view should be observed
     * @param selectors the selectors to target the HTML element
     * @returns a disconnect handler to stop observing the HTML element
     */
    observeHeight(config?: boolean, selectors?: string): () => void;
}