/**
 * Toggles the canvas between editing the per-version "final layout" (default)
 * and the cross-version "shared layout" (Sitecore's __Renderings field).
 *
 * Hidden unless the active page's component provider opts into shared layout
 * via componentsProviderSettings.supportsLanguageSharedLayout. The project's
 * custom (non-Sitecore-renderings) provider doesn't model this distinction
 * and will leave the flag unset.
 */
export declare function LayoutModeControls(): import("react/jsx-runtime").JSX.Element | null;
