/**
 * F1: Centrality algorithms — PageRank and Eigenvector centrality
 *
 * Uses iterative SQL with temp tables (no recursive CTEs — segfault risk).
 * Validated patterns from tests/fierce-f1-isolated.ts.
 *
 * v1.2.0: handlers wrap their `duckdb` argument in a `ComputeSession` so all
 * statements (CREATE TEMP, ALTER, DROP, SELECT) run on the same pinned
 * connection. See `src/compute-session.ts` for why this matters when the
 * host service routes reads/writes to different connections.
 */
import type { PageRankResult, EigenvectorResult } from '../types/graph-types.js';
import { type ComputeSession, type DuckDBLike } from '../compute-session.js';
/**
 * graph.pagerank — Iterative PageRank with damping factor
 */
export declare function handlePageRank(args: unknown, duckdb: DuckDBLike | ComputeSession): Promise<PageRankResult>;
/**
 * graph.eigenvector — Power iteration eigenvector centrality
 */
export declare function handleEigenvector(args: unknown, duckdb: DuckDBLike | ComputeSession): Promise<EigenvectorResult>;
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