import { SUT, SutRegistration } from 'ppef/types/sut';
import { BenchmarkGraphExpander } from '../experiments/evaluation/__tests__/validation/common/benchmark-graph-expander.js';
/**
 * Configuration for Path Salience Ranking SUT.
 */
export interface PathSalienceConfig {
    /** Maximum number of paths to return */
    maxPaths?: number;
    /** Traversal mode: 'directed' or 'undirected' */
    traversalMode?: "directed" | "undirected";
    /** Length penalty parameter λ */
    lambda?: number;
}
/**
 * Ranking inputs for this SUT.
 */
export interface RankingInputs {
    /** Graph expander for path discovery */
    input: BenchmarkGraphExpander;
    /** Source node ID */
    source: string;
    /** Target node ID */
    target: string;
}
/**
 * Path Salience ranking result.
 */
export interface PathSalienceResult {
    pathsFound: number;
    meanMI: number;
    stdMI: number;
    pathDiversity: number;
    hubAvoidance: number;
    nodeCoverage: number;
    meanScore: number;
    stdScore: number;
    paths: Array<{
        id: string;
        nodes: string[];
        mi: number;
    }>;
}
/**
 * SUT registration metadata.
 */
export declare const registration: SutRegistration;
/**
 * Create a Path Salience SUT instance.
 *
 * Factory function for PPEF worker thread execution.
 * Returns a PPEF-compatible SUT object with run() method.
 *
 * @param config - Optional configuration overrides
 * @returns PPEF-compatible SUT object
 */
export declare const createSut: (config?: Record<string, unknown>) => SUT<RankingInputs, PathSalienceResult>;
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