/**
 * Viewport-relative dimensions for intentional map and split panels.
 *
 * The Studio iframe embed sizes the iframe to its content, so inside it `vh`
 * is the content's own height. Ordinary lists use document flow and explicit
 * pagination instead. The embed bridge sets STUDIO_VH_VAR on the
 * document root to 1% of the host page's viewport height; everywhere else it
 * is unset and these lengths are plain `vh`.
 */
export declare const STUDIO_VH_VAR = "--studio-vh";
/** `70vh` -> `calc(var(--studio-vh, 1vh) * 70)`; other units are untouched. */
export declare function studioViewportLength(value: string): string;
//# sourceMappingURL=viewportHeight.d.ts.map