code: public static HalLinkRelation curied(String curie, String rel) {
  
  		Assert.hasText(curie, "Curie must not be null or empty!");
  
  		return new HalLinkRelation(curie, rel);
  	}
docs: Creates a new {@link HalLinkRelation} for a curied relation.
  
  @param curie the curie, must not be {@literal null} or empty.
  @param rel the link relation to be used, must not be {@literal null}.
  @return