import { z } from 'zod';
import { RateLimiter } from '../core/rate-limiter.js';
import { PaperMetadata } from '../types/papers.js';
export declare const fetchContentSchema: z.ZodObject<{
    source: z.ZodEnum<["arxiv", "openalex"]>;
    id: z.ZodString;
}, "strip", z.ZodTypeAny, {
    source: "arxiv" | "openalex";
    id: string;
}, {
    source: "arxiv" | "openalex";
    id: string;
}>;
export type FetchContentInput = z.infer<typeof fetchContentSchema>;
/**
 * MCP tool: fetch_content
 * Fetches full metadata for a specific paper by ID from arXiv or OpenAlex
 */
export declare function fetchContent(input: FetchContentInput, rateLimiter: RateLimiter): Promise<{
    content: PaperMetadata;
}>;