code: public static <OLD, NEW, VV> DataSet<Vertex<NEW, VV>> translateVertexIds(DataSet<Vertex<OLD, VV>> vertices, TranslateFunction<OLD, NEW> translator) {
  		return translateVertexIds(vertices, translator, PARALLELISM_DEFAULT);
  	}
docs: Translate {@link Vertex} IDs using the given {@link TranslateFunction}.
  
  @param vertices input vertices
  @param translator implements conversion from {@code OLD} to {@code NEW}
  @param <OLD> old vertex ID type
  @param <NEW> new vertex ID type
  @param <VV> vertex value type
  @return translated vertices