ClassDescriptionLogs deprecations to the
Context>This class provides helpers for
ObjectParserthat allow dealing with classes outside of the xcontent dependencies.Registry for looking things up using ParseField semantics.Objects that can both render themselves in as json/yaml/etc and can provide a
RestStatusfor their response.SPI extensions for Elasticsearch-specific classes (like the Lucene or Joda dependency classes) that need to be encoded by
XContentBuilderin a specific way.