/**
 * Smart Triage & Auto-Labeling (v1.1.0)
 *
 * Classifies PRs as bug/feature/refactor/docs/test/chore using
 * keyword signals + embedding similarity against reference vectors.
 * Also suggests reviewers based on file-ownership history.
 */
import type { Embedder } from './embeddingPipeline.js';
export type PRLabel = 'bug' | 'feature' | 'refactor' | 'docs' | 'test' | 'chore';
export interface TriageResult {
    label: PRLabel;
    confidence: number;
    /** Secondary label if close in confidence */
    secondaryLabel?: PRLabel;
    secondaryConfidence?: number;
    /** Suggested reviewers based on file ownership */
    suggestedReviewers: ReviewerSuggestion[];
}
export interface ReviewerSuggestion {
    author: string;
    /** Number of PRs touching these files */
    fileOwnership: number;
    /** Relevance score 0-1 */
    relevance: number;
}
export interface TriagePRInput {
    title: string;
    description: string;
    files: string[];
    diff?: string;
    author?: string;
}
export declare class FileOwnershipTracker {
    /** Map of file path → Map of author → touch count */
    private ownership;
    /**
     * Record that an author touched certain files
     */
    recordPR(author: string, files: string[]): void;
    private incrementOwnership;
    /**
     * Suggest reviewers for the given files
     */
    suggestReviewers(files: string[], excludeAuthor?: string, limit?: number): ReviewerSuggestion[];
    /**
     * Export ownership data for persistence
     */
    exportState(): Record<string, Record<string, number>>;
    /**
     * Import ownership data from persistence
     */
    importState(state: Record<string, Record<string, number>>): void;
}
export declare class PRTriageClassifier {
    private embedder;
    private referenceEmbeddings?;
    private ownershipTracker;
    constructor(options?: {
        embedder?: Embedder;
        ownershipTracker?: FileOwnershipTracker;
    });
    /**
     * Initialize reference embeddings for semantic classification.
     * Call once before using semantic mode.
     */
    initEmbeddings(): Promise<void>;
    /**
     * Classify a PR and suggest reviewers
     */
    classify(pr: TriagePRInput): Promise<TriageResult>;
    /**
     * Record a PR for file ownership tracking
     */
    recordPR(author: string, files: string[]): void;
    /**
     * Get the ownership tracker for export/import
     */
    getOwnershipTracker(): FileOwnershipTracker;
    private scoreByKeywords;
    private scoreByFileExtensions;
    private scoreByEmbedding;
}
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