/**
  * Adds a new parser for the name and returns any existing one that was overriden. This is not
  * thread safe.
  */
 public static ValueSourceParser addParser(NamedParser p) {
   return standardValueSourceParsers.put(p.name(), p);
 }
 private static void alias(String source, String dest) {
   standardValueSourceParsers.put(dest, standardValueSourceParsers.get(source));
 }
 /**
  * Adds a new parser for the name and returns any existing one that was overriden. This is not
  * thread safe.
  */
 public static ValueSourceParser addParser(String name, ValueSourceParser p) {
   return standardValueSourceParsers.put(name, p);
 }