http://github.com/FasterXML/jackson: General data-binding functionality for Jackson: works on core streaming API (FasterXML)
  • Tatu Saloranta 
Contains concrete JsonNode implementations Jackson uses for the Tree model. These classes are public since concrete type will be needed for most operations that modify node trees. For read-only access concrete types are usually not needed. 
/**
 * Contains concrete {@link com.fasterxml.jackson.databind.JsonNode} implementations
 * Jackson uses for the Tree model.
 * These classes are public since concrete type will be needed
 * for most operations that modify node trees. For read-only access concrete
 * types are usually not needed.
 */
package com.fasterxml.jackson.databind.node;