/**
 * @fileoverview URL Utilities for SEO
 *
 * This module provides functions for building and processing URLs
 * for SEO purposes, including canonical URLs and URL normalization.
 */
import { URLBuildOptions } from '../../types/seo';
/**
 * Build a complete URL from components
 *
 * @param options - URL building options
 * @returns Complete URL string
 */
export declare function buildURL(options: URLBuildOptions): string;
/**
 * Normalize a URL for canonical purposes
 *
 * @param url - URL to normalize
 * @returns Normalized URL
 */
export declare function normalizeURL(url: string): string;
/**
 * Extract domain from URL
 *
 * @param url - URL to extract domain from
 * @returns Domain string
 */
export declare function extractDomain(url: string): string;
/**
 * Check if URL is absolute
 *
 * @param url - URL to check
 * @returns Whether URL is absolute
 */
export declare function isAbsoluteURL(url: string): boolean;
/**
 * Convert relative URL to absolute
 *
 * @param relativeUrl - Relative URL
 * @param baseUrl - Base URL for resolution
 * @returns Absolute URL
 */
export declare function makeAbsoluteURL(relativeUrl: string, baseUrl: string): string;
/**
 * Generate SEO-friendly URL slug from text
 *
 * @param text - Text to convert to slug
 * @param maxLength - Maximum length of slug
 * @returns URL slug
 */
export declare function createSlug(text: string, maxLength?: number): string;
/**
 * Validate URL format
 *
 * @param url - URL to validate
 * @returns Validation result
 */
export declare function validateURL(url: string): {
    isValid: boolean;
    errors: string[];
    warnings: string[];
};
/**
 * Build breadcrumb URLs from path
 *
 * @param currentUrl - Current page URL
 * @param baseUrl - Base site URL
 * @returns Array of breadcrumb URLs with labels
 */
export declare function buildBreadcrumbUrls(currentUrl: string, baseUrl: string): Array<{
    url: string;
    label: string;
    position: number;
}>;
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