import type { ActionIdentifier, DeviceIdentifier, PluginEvent } from "../../api";
import { Event } from "./event";
/**
 * Provides information for an event relating to an action.
 */
export declare class ActionWithoutPayloadEvent<TSource extends Extract<PluginEvent, ActionIdentifier & DeviceIdentifier>, TAction> extends Event<TSource> {
    readonly action: TAction;
    /**
     * Initializes a new instance of the {@link ActionWithoutPayloadEvent} class.
     * @param action Action that raised the event.
     * @param source Source of the event, i.e. the original message from Stream Deck.
     */
    constructor(action: TAction, source: TSource);
}
/**
 * Provides information for an event relating to an action.
 */
export declare class ActionEvent<TSource extends Extract<PluginEvent, ActionIdentifier & DeviceIdentifier> & PayloadEvent<TSource>, TAction> extends ActionWithoutPayloadEvent<TSource, TAction> {
    /**
     * Provides additional information about the event that occurred, e.g. how many `ticks` the dial was rotated, the current `state` of the action, etc.
     */
    readonly payload: ExtractPayload<TSource>;
    /**
     * Initializes a new instance of the {@link ActionEvent} class.
     * @param action Action that raised the event.
     * @param source Source of the event, i.e. the original message from Stream Deck.
     */
    constructor(action: TAction, source: TSource);
}
/**
 * Utility type for extracting the payload type from the specified `T` type.
 */
type ExtractPayload<T> = T extends {
    /**
     * Payload supplied with the event.
     */
    payload: infer TPayload;
} ? TPayload extends object ? TPayload : never : never;
/**
 * Utility type for determining the payload of an event.
 */
type PayloadEvent<T> = {
    /**
     * Payload providing additional information for an event.
     */
    payload: ExtractPayload<T>;
};
export {};