import Transformer, { TransformerInput } from "../transformers/transformer.js";
export default class TraverseReferences implements Transformer {
    private metadataUrl?;
    constructor(metadataUrl?: string);
    transform({ json, language, serviceRequestor, uri: parentUrl }: TransformerInput): Promise<void>;
    private shouldIgnoreUrl;
    private mergeAnnotations;
    private static isTraversable;
}