/**
 * Appointment Booking Block - CSS Variable Generator
 *
 * Generates Tier 3 block-specific CSS variables for the appointment-booking block.
 * These variables reference Tier 1 theme palette vars for consistent theming.
 *
 * Note: Tier 2 vars (--rb-block-radius, --rb-block-transition) are defined
 * on the theme scope via buildThemeCssVars() and inherited by all blocks.
 */
import type { BlockVarGeneratorContext } from '../types';
/**
 * Generate CSS variables for the appointment-booking block.
 *
 * Variables defined:
 * - Selection card states (background, border, selected)
 * - Success/error state colors
 * - Loading spinner color
 * - Text opacity levels
 * - Form element colors
 */
export declare function generateAppointmentBookingVars({ themeId, }: BlockVarGeneratorContext): string;
