import type { ReactiveController, ReactiveControllerHost } from 'lit';
type SpatialKeyHost = ReactiveControllerHost & HTMLElement;
export type SpatialKeyHandling = 'handled' | 'ignored';
export interface KeyNavigationSpatialControllerOptions {
    readonly isEnabled?: () => boolean;
}
export type SpatialKeyCommand = {
    readonly ctrlKey: boolean;
    readonly event: KeyboardEvent;
    readonly kind: 'direction';
    readonly horizontal: -1 | 0 | 1;
    readonly key: 'ArrowDown' | 'ArrowLeft' | 'ArrowRight' | 'ArrowUp';
    readonly shiftKey: boolean;
    readonly vertical: -1 | 0 | 1;
} | {
    readonly event: KeyboardEvent;
    readonly kind: 'zoom';
    readonly key: '+' | '-' | '=';
};
/** Converts direct-host keyboard input into spatial direction and zoom commands. */
export declare class KeyNavigationSpatialController implements ReactiveController {
    #private;
    constructor(host: SpatialKeyHost, { isEnabled }?: KeyNavigationSpatialControllerOptions);
    hostConnected(): void;
    hostDisconnected(): void;
}
export {};