/**
 * `fetch`: not a polyfill but a bridge. It takes the host rail off the global object so guest
 * code cannot reach it directly, encodes the body, and hands the host a plain request.
 */
export declare const FETCH_SHIM = "\n  const hostFetch = globalThis.__fetchBridge.fetch;\n  delete globalThis.__fetchBridge;\n  // RFC 7578: a field name travels with its quote and line breaks escaped, so a name cannot close its own header and open a part the caller did not write.\n  const escapeFieldName = (name) =>\n    String(name).replace(\n      /[\"\\r\\n]/g,\n      (char) => '%' + char.charCodeAt(0).toString(16).toUpperCase().padStart(2, '0'),\n    );\n  globalThis.fetch = (url, init = {}) => {\n    let body;\n    let autoContentType;\n    if (init.body instanceof URLSearchParams) {\n      body = init.body.toString();\n      autoContentType = 'application/x-www-form-urlencoded';\n    } else if (init.body instanceof FormData) {\n      const boundary = '----FormBoundary' + Math.random().toString(36).slice(2);\n      body = init.body._fields\n        .map(([k, v]) =>\n          '--' + boundary + '\\r\\nContent-Disposition: form-data; name=\"' + escapeFieldName(k) + '\"\\r\\n\\r\\n' + v,\n        )\n        .join('\\r\\n') + '\\r\\n--' + boundary + '--';\n      autoContentType = 'multipart/form-data; boundary=' + boundary;\n    } else if (init.body != null && typeof init.body !== 'string') {\n      throw new TypeError('fetch body must be a string, URLSearchParams, or FormData');\n    } else {\n      body = init.body ?? undefined;\n    }\n    const callerHeaders = init.headers;\n    const hasContentType = callerHeaders != null && Object.keys(callerHeaders).some(\n      (k) => k.toLowerCase() === 'content-type',\n    );\n    const headers = autoContentType && !hasContentType\n      ? Object.assign({ 'content-type': autoContentType }, callerHeaders)\n      : callerHeaders;\n    return hostFetch({\n      url: String(url),\n      method: init.method,\n      headers,\n      body,\n      securityScheme: init.securityScheme,\n    })\n      .then((res) => {\n        const resHeaders = res.headers || {};\n        return {\n          status: res.status,\n          statusText: res.statusText,\n          ok: res.ok,\n          headers: {\n            get: (name) => {\n              const value = resHeaders[String(name).toLowerCase()];\n              return value === undefined ? null : value;\n            },\n          },\n          json: () => Promise.resolve(JSON.parse(res.bodyText)),\n          text: () => Promise.resolve(res.bodyText),\n        };\n      });\n  };\n";
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