/**
 * Command contract.
 *
 * Commands describe side effects requested by a controller. The framework
 * adapter is responsible for executing them at the correct lifecycle moment
 * (e.g. after the next render, after hydration, inside a layout effect).
 */
/** Abstract reference to a widget part or item. */
export interface MdyElementTarget {
    readonly part: string;
    readonly key?: string;
}
/** UI command produced by a widget controller. */
export type MdyUiCommand = {
    readonly type: "focus";
    readonly target: MdyElementTarget;
} | {
    readonly type: "restore-focus";
    readonly target: MdyElementTarget;
} | {
    readonly type: "scroll-into-view";
    readonly target: MdyElementTarget;
} | {
    readonly type: "announce";
    readonly message: string;
} | {
    readonly type: "open-overlay";
    readonly anchor: MdyElementTarget;
} | {
    readonly type: "close-overlay";
} | {
    readonly type: "emit-change";
} | {
    readonly type: "mark-touched";
} | {
    readonly type: "mark-dirty";
};