hasConfig()
Does this agent require a configuration? 
 
getInstallObjective(Setup\Config $config=null)
 
getStatusObjective(Setup\Metrics\Storage $storage)
 
getUpdateObjective(Setup\Config $config=null)
 
getMigrations()
Get a named map of migrations available for this Agent. 
 
getArrayToConfigTransformation()
Agents must be able to tell how to create a configuration from a nested array. 
 
getBuildObjective()
Get the goal the agent wants to achieve to build artifacts.