type RecordWithStringKey = Record<string | number, any>;
/**
 * Recursively converts all keys in an object or array of objects from snake_case to camelCase.
 *
 * @param input - The input object or array of objects to convert.
 * @returns The input with all keys converted to camelCase.
 *
 * @example
 * // Single object
 * camelCaseKeys({ user_name: 'John', user_age: 30 })
 * // Returns: { userName: 'John', userAge: 30 }
 *
 * @example
 * // Array of objects
 * camelCaseKeys([{ user_name: 'John' }, { user_age: 30 }])
 * // Returns: [{ userName: 'John' }, { userAge: 30 }]
 *
 * @example
 * // Nested objects
 * camelCaseKeys({ user_data: { first_name: 'John', last_name: 'Doe' } })
 * // Returns: { userData: { firstName: 'John', lastName: 'Doe' } }
 */
declare const camelCaseKeys: (input: RecordWithStringKey[] | RecordWithStringKey) => any;
export { camelCaseKeys };