import Dialog from './dialog';
import Injection from './injection';
import Feedback from './feedback';
import Audio from './audio';
import Tts from './tts';
import ApiSubset from './ApiSubset';
import { HermesOptions } from './types';
export { Dialog, Injection, Feedback, Audio, Tts };
export { ApiSubset };
export * from './types';
/**
 * Hermes javascript is an high level API that allows you to
 * subscribe and send Snips messages using the Hermes protocol.
 *
 * **Important: do not instantiate this class more than once!**
 */
export declare class Hermes {
    /**
     * Create a new Hermes instance that connects to the underlying event bus.
     *
     * **Important: Each call to this function will open the hermes shared library
     * and bind hermes-protocol to it. It is an expensive operation.**
     *
     * @param options - Options used to instantiate a new Hermes object.
     */
    constructor(options?: HermesOptions);
    /**
     * Return a Dialog instance used to interact with the dialog API.
     *
     * @returns A Dialog instance, reused from a previous call if possible.
     */
    dialog(): Dialog;
    /**
     * Return an Injection instance used to interact with the vocabulary injection API.
     *
     * @returns An Injection instance, reused from a previous call if possible.
     */
    injection(): Injection;
    /**
     * Return a Feedback object instance used to interact with the audio feedback API.
     *
     * @returns An Feedback instance, reused from a previous call if possible.
     */
    feedback(): Feedback;
    /**
     * Return a Tts object instance used to interact with the text to speech API.
     *
     * @returns An Tts instance, reused from a previous call if possible.
     */
    tts(): Tts;
    /**
     * @experimental
     *
     * **Warning: Experimental, use at your own risk!**
     *
     * Returns an Audio object instance used to interact with the audio playback API.
     *
     * @returns An Audio instance, reused from a previous call if possible.
     */
    audio(): Audio;
    /**
     * Disposes the hermes object and its underlying resources.
     */
    destroy(): void;
    private _getOrCreateSubset;
    private static defaultOptions;
    private options;
    private activeSubsets;
    private call;
    private protocolHandler;
}