import { type BlocksConfig } from '@urbicon-ui/blocks';
/**
 * Resolve a slot's classes under the `unstyled` contract: default styling is
 * dropped entirely when `unstyled`, the consumer's slot classes always apply.
 * Components bind it as `const cls = (base, slot) => slotClass(unstyled, base, slot)`
 * so `unstyled` stays a per-call read (reactive) and call sites keep the
 * two-argument shape. Was a per-component clone.
 */
export declare function slotClass(unstyled: boolean, base: string, slot?: string): string;
/**
 * Resolve a component's per-slot classes through the blocks provider cascade:
 * `<BlocksProvider defaults>` → the named `preset` → the instance's own
 * `slotClasses`, later sources winning per Tailwind bucket. Returns the
 * instance classes unchanged when no provider is mounted, so a component works
 * standalone.
 *
 * Call during component initialisation (it reads the provider context through
 * `getBlocksConfig()`), then read the result inside a `$derived`:
 *
 * ```ts
 * const blocksConfig = getBlocksConfig();
 * const slotClasses = $derived(
 *   resolveAuthSlotClasses(blocksConfig, 'LoginPage', preset, slotClassesProp)
 * );
 * ```
 */
export declare function resolveAuthSlotClasses<S extends string>(config: BlocksConfig | undefined, component: string, preset: string | undefined, instance: Partial<Record<S, string>> | undefined): Partial<Record<S, string>>;