import type { AlertVariantItem } from './types.js';
/**
 * Resolves the variants configuration, combining the provided variants with
 * the default variants.
 */
export declare function resolveVariants(variants: AlertVariantItem[]): AlertVariantItem[];
/**
 * Returns regex pattern to match alert syntax.
 */
export declare function createSyntaxPattern(type: string): string;
/**
 * Capitalizes the first letter of a string.
 */
export declare function ucfirst(str: string): string;