export type ControlsVisibility = `always` | `hover` | `never`;
export type ShowControlsConfig = {
    mode?: ControlsVisibility;
    hidden?: string[];
    style?: string;
};
export type ShowControlsProp = ControlsVisibility | ShowControlsConfig | boolean;
export type ShowControlsState = ReturnType<typeof normalize_show_controls>;
export declare function normalize_show_controls(prop: ShowControlsProp | undefined): {
    mode: ControlsVisibility;
    hidden: Set<string>;
    style: string | undefined;
    visible: (name: string) => boolean;
    class: string;
};