import { Product, ProductVariant, ProductVariantOption } from '../../types';
export type VariantValidation = 'outOfStock' | 'valid' | 'incomplete' | 'invalid';
/**
 * Given a product, this hook provides methods for getting and setting variants on that product,
 * as well as methods to validate the current and proposed combination of values.
 */
export declare function useProductVariants(product: Product, { initialVariant, preselectCheapest }?: {
    initialVariant?: ProductVariantOption;
    preselectCheapest?: boolean;
}): {
    selectedVariant: ProductVariant;
    validation: VariantValidation;
    getSelectedValue: (option: ProductVariantOption) => string;
    selectValue: (value: string, option: ProductVariantOption) => void;
    validateSelection: (value: string, option: ProductVariantOption) => VariantValidation;
    getVariantForSelection: (value: string, option: ProductVariantOption) => ProductVariant;
    missingOptions: ProductVariantOption[];
    getMissingOptions: () => ProductVariantOption[];
};