import type { CmcdRequest } from './CmcdRequest.js';
/**
 * Check if a key is a valid CMCD request key.
 *
 * @param key - The key to check.
 *
 * @returns `true` if the key is a valid CMCD request key, `false` otherwise.
 *
 * @group CMCD
 *
 * @beta
 *
 * @example
 * {@includeCode ../../test/cmcd/isCmcdRequestKey.test.ts#example}
 */
export declare function isCmcdRequestKey(key: string): key is keyof CmcdRequest;
//# sourceMappingURL=isCmcdRequestKey.d.ts.map