import type { FileChangeRecord } from '../parsers/numstat-parser.js';
export interface CollaborationNode {
    name: string;
    commits: number;
}
export interface CollaborationEdge {
    source: string;
    target: string;
    sharedFiles: number;
}
export interface CollaborationData {
    nodes: CollaborationNode[];
    edges: CollaborationEdge[];
}
/**
 * Build a collaboration graph from file change records.
 * Two authors are connected if they both modified the same file.
 * Edge weight = number of shared files.
 */
export declare function analyzeCollaboration(fileChanges: FileChangeRecord[]): CollaborationData;
//# sourceMappingURL=collaboration.d.ts.map