/**
 * Adds hash after name and version in a URL.
 * If hash already exists, replaces it.
 *
 * @param params - Parameters for adding hash to URL
 * @param params.url - URL to add hash to
 * @param params.packageName - Package name
 * @param params.version - Package version
 * @param params.hash - Hash to add
 * @returns URL with hash added or replaced
 *
 * @example
 * ```ts
 * addHashUrl({
 *   url: 'http://localhost:3000/react@17.5.0/v0/bundled/index.js',
 *   packageName: 'react',
 *   version: '17.5.0',
 *   hash: 'abc123'
 * });
 * // Returns: 'http://localhost:3000/react@17.5.0/h-abc123/v0/bundled/index.js'
 * ```
 */
export declare function addHashUrl(params: {
    /** URL to add hash to */
    url: string;
    /** Package name */
    packageName: string;
    /** Package version */
    version: string;
    /** Hash to add */
    hash: string;
}): string;
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