import { type ClassValue } from 'clsx';
import { type ReactNode } from 'react';
export type { ClassValue } from 'clsx';
export declare function cn(...inputs: ClassValue[]): string;
export declare function assertNever(value: never, message?: string): never;
export interface NormalizedOption {
    value: string;
    label: string;
    disabled?: boolean;
}
/** Normalize strings or option objects to a consistent option shape. */
export declare function normalizeOptions(options: string[] | NormalizedOption[] | undefined): NormalizedOption[];
/** Extract plain text from React children (for accessible labels, filtering, etc.) */
export declare function extractText(node: ReactNode): string;