implementation under a different roleHint, or else replace the
  BasicComponentConfigurator.

* Other

  We may need to define a new lifecycle/phase to contextualize a mojo right
  before it's used, and reset it's state afterward. Up to now, the approach
  of most plexus components has been to avoid instance state like the plague.
  With the current parameter passing model of mojos, this will not be possible,