import type { NormalizerData } from '../../normalizer-data';
import type { RLineDirective } from '../../../../model/nodes/r-line-directive';
import type { RComment } from '../../../../model/nodes/r-comment';
import type { JsonEntry } from '../../../json/format';
/**
 * Normalize the given object as an R line directive (`#line <number> "<file>"`).
 * This requires you to check the corresponding name beforehand.
 * If the given object turns out to be no line directive, this returns a normal comment instead.
 *
 * @param data - The data used by the parser (see {@link NormalizerData})
 * @param obj  - The JSON object to extract the meta-information from
 */
export declare function normalizeLineDirective(data: NormalizerData, obj: JsonEntry): RLineDirective | RComment;