anchor.diff:  * <<python>>
   * <<r>>
   * <<ruby>>
  +* <<rust>>
   * <<scala>>
   * <<smalltalk>>
   * <<vertx>>
  
positive.code: 
  Also see the {client}/java-api/current/index.html[official Elasticsearch Java client].
  
  * [Flummi](https://github.com/otto-de/flummi):
    Java Rest client with comprehensive query DSL API
  * https://github.com/searchbox-io/Jest[Jest]:
    Java Rest client.
  
negative.code: * https://github.com/ddnexus/flex[Flex]:
    Ruby Client.
  
  [[rust]]
  == Rust
  
  * https://github.com/benashford/rs-es[rs-es]:
    A REST API client with a strongly-typed Query DSL.
  
  * https://github.com/elastic-rs/elastic[elastic]:
    A modular REST API client that supports freeform queries.
    
  [[scala]]
  == Scala
  
  