import { TextContent } from '@modelcontextprotocol/sdk/types.js';
/**
 * Type guard to check if a content item is text-based.
 *
 * @param item - The content item to check
 * @returns `true` if the item is a TextContent object with a `text` property
 *
 * @example
 * ```ts
 * if (isTextContentItem(contentItem)) {
 *   console.log(contentItem.text); // TypeScript knows this is safe
 * }
 * ```
 */
export declare const isTextContentItem: (item: unknown) => item is TextContent;
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