code: public void registerJsonValueProcessor( Class beanClass, Class propertyType, JsonValueProcessor jsonValueProcessor ) {
        if( beanClass != null && propertyType != null && jsonValueProcessor != null ) {
           beanTypeMap.put( beanClass, propertyType, jsonValueProcessor );
        }
     }
docs: Registers a JsonValueProcessor.<br>
  [Java -&gt; JSON]
  
  @param beanClass the class to use as key
  @param propertyType the property type to use as key
  @param jsonValueProcessor the processor to register