import { cva, VariantProps } from 'cva';
/**
 * cva's `ClassDictionary` is `Record<string, any>`, which a function satisfies,
 * so a Base UI state-function `className` type-checked as a class value and was
 * then skipped at runtime. Every function has a `call` member, so forbidding
 * one here rejects functions while still admitting `{ "sr-only": hidden }`.
 */
type ClassDictionary = {
    [key: string]: unknown;
    call?: never;
};
type ClassArray = ClassValue[];
type ClassValue = ClassArray | ClassDictionary | string | number | bigint | null | boolean | undefined;
declare function cx(...args: ClassValue[]): string | undefined;
/**
 * `cx` for a Base UI part's `className`. The caller's value may be a function
 * of the part's state, which `cx` has no state to call, so this returns a
 * function for Base UI to call instead: it resolves any function argument with
 * the part's state, then merges everything in order as `cx` would.
 *
 * With no function among the arguments it returns the merged string, as `cx`
 * would. A function prop cannot cross from a server component into a client
 * one, so a part composed on the server must still receive a string.
 */
declare function cxState<State>(...args: (ClassValue | ((state: State) => string | undefined))[]): string | ((state: State) => string | undefined) | undefined;
export { cva, cx, cxState };
export type { VariantProps };
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