anchor.diff:  @Consumes(MediaType.APPLICATION_JSON)
   public class LegumeResource {
   
  -    private Set<Legume> legumes = Collections.newSetFromMap(Collections.synchronizedMap(new LinkedHashMap<>()));
  +    private Set<Legume> legumes = Collections.synchronizedSet(new LinkedHashSet<>());
   
       public LegumeResource() {
           legumes.add(new Legume("Carrot", "Root vegetable, usually orange"));
  
positive.code: 
  This time, you can see our list of legumes.
  
  == Conclusion
  
  Creating JSON REST services with Quarkus is easy as it relies on proven and well known technologies.
  
negative.code: package org.acme.rest.json;
  
  import java.util.Collections;
  import java.util.LinkedHashSet;
  import java.util.Set;
  
  import javax.ws.rs.Consumes;
  