/** Documentation Fetcher Service */
/**
 * Fetch the llms.txt documentation index.
 * Returns null if fetch fails.
 */
export declare function fetchDocIndex(): Promise<string | null>;
/**
 * Fetch all documentation sections from llms-full.txt.
 * Returns null if fetch fails.
 */
export declare function fetchAllSections(): Promise<Map<string, string> | null>;
/**
 * Fetch a specific documentation section by path.
 * Returns null if fetch fails or section not found.
 */
export declare function fetchDocSection(path: string): Promise<string | null>;
/** Clear all caches. Useful for testing or forcing a refresh. */
export declare function clearCache(): void;
/** Set cache TTL in milliseconds. */
export declare function setCacheTtl(ttlMs: number): void;
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