/**
 * Generate Turtle triples from database rows + TriplesMap definitions.
 *
 * Handles:
 * - rr:template with {column} placeholder expansion (percent-encoded)
 * - rr:column → literal values
 * - rr:constant → fixed values
 * - rr:class → rdf:type triple
 * - rr:datatype → typed literals
 * - rr:language → language-tagged literals
 */
import type { TriplesMap, Row } from './types';
/**
 * Generate Turtle triples for a single row.
 * Returns a string of Turtle statements (without prefix declarations).
 */
export declare function generateTriplesForRow(map: TriplesMap, row: Row): string;
/**
 * Extract a subject "id" from a row (the last path segment of the expanded template).
 * Used for per-row file naming.
 */
export declare function extractSubjectId(map: TriplesMap, row: Row): string;
/**
 * Build a Turtle prefix header from common namespaces used in the mapping.
 */
export declare function buildPrefixHeader(maps: TriplesMap[]): string;