interpolator.addValueSource( new PrefixedObjectValueSource( projectStartExpressions, project, true ) );
}
if ( mavenSession != null )
{
interpolator.addValueSource( new PrefixedObjectValueSource( "session", mavenSession ) );
final Settings settings = mavenSession.getSettings();
if ( settings != null )
{
interpolator.addValueSource( new PrefixedObjectValueSource( "settings", settings ) );