import type { Coordinates, FeedbackPayload, SetTriggerDescription, WillAppear } from "../../api";
import type { JsonObject } from "../../common/json";
import type { KeyOf } from "../../common/utils";
import { Action } from "./action";
/**
 * Provides a contextualized instance of a dial action.
 * @template T The type of settings associated with the action.
 */
export declare class DialAction<T extends JsonObject = JsonObject> extends Action<T> {
    #private;
    /**
     * Initializes a new instance of the {@see DialAction} class.
     * @param source Source of the action.
     */
    constructor(source: WillAppear<JsonObject>);
    /**
     * Coordinates of the dial.
     * @returns The coordinates.
     */
    get coordinates(): Readonly<Coordinates>;
    /**
     * Sets the feedback for the current layout associated with this action instance, allowing for the visual items to be updated. Layouts are a powerful way to provide dynamic information
     * to users, and can be assigned in the manifest, or dynamically via {@link Action.setFeedbackLayout}.
     *
     * The {@link feedback} payload defines which items within the layout will be updated, and are identified by their property name (defined as the `key` in the layout's definition).
     * The values can either by a complete new definition, a `string` for layout item types of `text` and `pixmap`, or a `number` for layout item types of `bar` and `gbar`.
     * @param feedback Object containing information about the layout items to be updated.
     * @returns `Promise` resolved when the request to set the {@link feedback} has been sent to Stream Deck.
     */
    setFeedback(feedback: FeedbackPayload): Promise<void>;
    /**
     * Sets the layout associated with this action instance. The layout must be either a built-in layout identifier, or path to a local layout JSON file within the plugin's folder.
     * Use in conjunction with {@link Action.setFeedback} to update the layout's current items' settings.
     * @param layout Name of a pre-defined layout, or relative path to a custom one.
     * @returns `Promise` resolved when the new layout has been sent to Stream Deck.
     */
    setFeedbackLayout(layout: string): Promise<void>;
    /**
     * Sets the {@link image} to be display for this action instance within Stream Deck app.
     *
     * NB: The image can only be set by the plugin when the the user has not specified a custom image.
     * @param image Image to display; this can be either a path to a local file within the plugin's folder, a base64 encoded `string` with the mime type declared (e.g. PNG, JPEG, etc.),
     * or an SVG `string`. When `undefined`, the image from the manifest will be used.
     * @returns `Promise` resolved when the request to set the {@link image} has been sent to Stream Deck.
     */
    setImage(image?: string): Promise<void>;
    /**
     * Sets the {@link title} displayed for this action instance.
     *
     * NB: The title can only be set by the plugin when the the user has not specified a custom title.
     * @param title Title to display.
     * @returns `Promise` resolved when the request to set the {@link title} has been sent to Stream Deck.
     */
    setTitle(title: string): Promise<void>;
    /**
     * Sets the trigger (interaction) {@link descriptions} associated with this action instance. Descriptions are shown within the Stream Deck application, and informs the user what
     * will happen when they interact with the action, e.g. rotate, touch, etc. When {@link descriptions} is `undefined`, the descriptions will be reset to the values provided as part
     * of the manifest.
     *
     * NB: Applies to encoders (dials / touchscreens) found on Stream Deck + devices.
     * @param descriptions Descriptions that detail the action's interaction.
     * @returns `Promise` resolved when the request to set the {@link descriptions} has been sent to Stream Deck.
     */
    setTriggerDescription(descriptions?: TriggerDescriptionOptions): Promise<void>;
    /**
     * @inheritdoc
     */
    toJSON(): object;
}
/**
 * Options that define the trigger descriptions associated with an action.
 */
export type TriggerDescriptionOptions = KeyOf<SetTriggerDescription, "payload">;