anchor.diff:  
   - /path/to/elastic/elasticsearch
   - /path/to/elastic/elasticsearch-extra/x-pack-elasticsearch
  +
  +== Native Code
  +
  +**This is mandatory as tests depend on it**
  +
  +Machine Learning requires platform specific binaries, build from https://github.com/elastic/machine-learning-cpp via CI servers.
  +
  +The native artifacts are stored in S3. To retrieve them infra's team Vault service is utilized, which 
  +requires a github token. Please setup a github token as documented: 
  +
  +https://github.com/elastic/infra/blob/master/docs/vault.md#github-auth
  +
  +The github token has to be put into ~/.elastic/github.token, while the file rights must be set to 0600. 
   
   = Build
   
  
positive.code: - Security
  - Watcher
  - Monitoring
  - Machine learning
  
  = Setup
  You must checkout x-pack and elasticsearch with a specific directory structure. The
  
negative.code: gradle clean install
  -----
  
  