| DefaultJsonGenerator |  | 
| DefaultJsonGenerator.ClosureConverter | A converter that handles converting a given type using a closure. | 
| JsonBuilder | A builder for creating JSON payloads. | 
| JsonDelegate | Utility class used as delegate of closures representing JSON objects. | 
| JsonGenerator.Options | A builder used to construct a  JsonGenerator instance that allows
 control over the serialized JSON output. | 
| JsonLexer | The lexer reads JSON tokens in a streaming fashion from the underlying reader. | 
| JsonOutput | Class responsible for the actual String serialization of the possible values of a JSON structure. | 
| JsonOutput.JsonUnescaped | Represents unescaped JSON | 
| JsonSlurper | This has the same interface as the original JsonSlurper written for version 1.8.0, but its
 implementation has completely changed. | 
| JsonSlurperClassic | This is the original slurper included in case someone relies on its exact behavior. | 
| JsonToken | A JSON token, with a type, line / column information, and the text of that token. | 
| StreamingJsonBuilder | A builder for creating JSON payloads. | 
| StreamingJsonBuilder.StreamingJsonDelegate | The delegate used when invoking closures | 
| StringEscapeUtils | Escapes and unescapes Strings for
 Java, Java Script, HTML, XML, and SQL. |