/**
 * Copyright 2025 Vybestack LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Get a short preview of a message's content for debug logging.
 *
 * Handles strings, arrays of content parts, and arbitrary objects.
 * Truncates to maxLength with an ellipsis when content exceeds the limit.
 */
export declare function getContentPreview(content: unknown, maxLength?: number): string | undefined;