import { type RefObject } from 'react';
/**
 * A length token (`--spacing-lg`) in px, as `context` resolves it, for an
 * API that takes only a number: Radix `collisionPadding`, say. The token
 * is read from the element (so a theme root or a host override applies)
 * and may be px (host-compat writes px) or rem (the kit's own sheet).
 * Anything else, or no DOM, gives `fallback`.
 */
export declare function lengthTokenPx(token: string, context: Element | null, fallback: number): number;
/** {@link lengthTokenPx} for the element behind `ref`, read after mount. */
export declare function useLengthTokenPx(token: string, ref: RefObject<Element | null>, fallback: number): number;
//# sourceMappingURL=length-token.d.ts.map