Set the context object from which the rule execution "environment"
can be extracted - this will be the collections etc
Equivalent to the velocity context.
As for current Artifact, can set a "Current Wrapper" for this expander This
can be used to extract things like the TargetPackage from the wrapper -
especially useful for making file names!
As for current Artifact, can set a "Current Wrapper" for this expander This
can be used to extract things like the TargetPackage from the wrapper -
especially useful for making file names! This variant is necessary in
case the wrapper has been named something other than "wrapper"