anchor.diff:  == Alternatives considered
   
   There exists Jolokia as JMX-HTTP bridge. Using this for application specific metrics requires that those metrics
  -are exposed to JMX first, which are many users not familiar with.+are exposed to JMX first, which are many users not familiar with.
  
positive.code: 
  Metadata SHOULD support caching via cache control headers and SHOULD reply with a 304 Not Modified response accordingly.
  
  == Required metrics
  
  Required metrics is a list of metrics that all vendors need to implement. They are exposed under `/metrics/base`
  
  The following is a list of required metrics if the application uses the data. E.g. if the application does not use any data source, then there will be no data sources listed.
  
  
negative.code:  Q: should this really include all values?
  * especially Garbage collector stuff is pretty convoluted
  * List of datasources with connections in use (list can be empty)
  * ...
  
  Values from the MBean server are encoded with `MBean-Name/attribute[#field]` name to retrieve a single attribute.
  
  