import type { Database as DatabaseType } from 'better-sqlite3';
import type { Entity, EntityType, GraphStats, RelationType, Relationship } from './types.js';
export declare class GraphStorage {
    private db;
    constructor(db: DatabaseType);
    upsertEntity(entity: Omit<Entity, 'id' | 'createdAt' | 'updatedAt'>): Entity;
    getEntity(canonicalId: string, type?: EntityType): Entity | null;
    getEntitiesByType(type: EntityType): Entity[];
    getEntitiesBySource(sourcePath: string): Entity[];
    deleteEntity(canonicalId: string, type?: EntityType): boolean;
    upsertRelationship(rel: Omit<Relationship, 'id' | 'createdAt'>): Relationship;
    getRelationships(entityId: number, direction: 'outgoing' | 'incoming' | 'both'): Relationship[];
    getRelationshipsByType(type: RelationType): Relationship[];
    deleteRelationship(sourceId: number, targetId: number, type: RelationType): boolean;
    getNeighbors(entityId: number, relationType?: RelationType): Entity[];
    getPath(fromId: number, toId: number, maxDepth: number, maxPaths?: number): Entity[][] | null;
    bulkUpsertEntities(entities: Entity[]): number;
    bulkUpsertRelationships(rels: Relationship[]): number;
    deleteEntitiesBySource(sourcePath: string): number;
    getStats(): GraphStats;
    searchEntities(query: string, limit: number): Entity[];
    private getEntityById;
}
export declare function computeContentHash(content: string): string;
export declare function hasChanged(storage: GraphStorage, sourcePath: string, currentHash: string): boolean;
//# sourceMappingURL=storage.d.ts.map