String forkedGoal = mojoDescriptor.getExecuteGoal();
MojoDescriptor forkedMojoDescriptor = pluginDescriptor.getMojo( forkedGoal );
if ( forkedMojoDescriptor == null )
{
throw new MojoNotFoundException( forkedGoal, pluginDescriptor );
}
if ( alreadyForkedExecutions.contains( forkedMojoDescriptor ) )
{
return Collections.emptyList();