import type { Database } from "./database.js";
export declare const PATTERN_TAXONOMY: readonly ["factory", "builder", "singleton", "prototype", "object_pool", "adapter", "decorator", "facade", "proxy", "composite", "bridge", "flyweight", "observer", "strategy", "command", "iterator", "state", "template_method", "visitor", "mediator", "chain_of_responsibility", "memento", "repository", "service", "controller", "middleware", "validator", "serializer", "event_handler", "router", "store", "view"];
export type PatternName = (typeof PATTERN_TAXONOMY)[number];
export declare const PATTERN_SET: Set<string>;
export interface PatternEdge {
    id: number;
    chunk_id: number;
    pattern: string;
    role: string | null;
    confidence: number;
    content_hash: string;
    labeled_at: number;
}
export interface PatternEdgeInput {
    chunk_id: number;
    pattern: string;
    role: string | null;
    confidence: number;
    content_hash: string;
}
export interface PatternEdgeWithLocation extends PatternEdge {
    file_path: string;
    start_line: number;
    end_line: number;
    symbol_name: string | null;
    chunk_type: string;
}
export declare class PatternStore {
    private db;
    private upsertStmt;
    private deleteByChunkStmt;
    private getByChunkStmt;
    private getByPatternStmt;
    private countStmt;
    private countByPatternStmt;
    constructor(db: Database);
    upsert(input: PatternEdgeInput, labeledAt?: number): void;
    upsertMany(rows: PatternEdgeInput[]): void;
    deleteForChunk(chunkId: number): void;
    getByChunk(chunkId: number): PatternEdge[];
    getByPattern(pattern: string, limit?: number): PatternEdgeWithLocation[];
    count(): number;
    countByPattern(pattern: string): number;
}