import { type DirectoryKnowledge } from "./knowledge-map.js";
import type { RiskLevel } from "./risk-classifiers.js";
export interface OffboardingOptions {
    author: string;
}
export interface DirectoryImpact {
    directory: string;
    beforeBusFactor: number;
    afterBusFactor: number;
    beforeContributors: number;
    afterContributors: number;
    ownershipPct: number;
    riskLevel: RiskLevel;
}
export interface OffboardingResult {
    targetAuthor: string;
    matchedEmails: string[];
    totalDirectories: number;
    impactedDirectories: number;
    newSinglePointOfFailure: number;
    directories: DirectoryImpact[];
    overallRisk: RiskLevel;
}
/**
 * Simulate the impact of a contributor leaving the project.
 *
 * Takes a knowledge map and removes the specified author's contributions,
 * then recomputes bus factor for each directory to show before/after impact.
 */
export declare function simulateOffboarding(knowledgeMap: DirectoryKnowledge[], options: OffboardingOptions): OffboardingResult;