/**
 * The base interface: every endpoint lists it (alexa-interface.html, "Support the Alexa interface in all add-ons").
 * Its one directive to a device is ReportState, answered with a StateReport.
 */
export declare const Alexa: import("../types.js").InterfaceDescriptor<{}, {
    ReportState: {
        name: string;
        payload: import("../schema.js").Schema<import("../schema.js").InferShape<{}>>;
    };
}, {}, false>;