/**
 * 验证 RDF 三元组格式
 */
export declare function validateTriple(triple: unknown): boolean;
/**
 * 生成唯一的资源 URI
 */
export declare function generateResourceUri(baseUri: string, resourceType: string, id?: string): string;
/**
 * 格式化错误信息
 */
export declare function formatError(error: unknown): string;
/**
 * 构建 SPARQL 查询字符串
 */
export declare function buildSparqlQuery(selectFields: string[], graphUri: string, conditions?: Record<string, unknown>): string;
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