code: private void setupFilters(Analyzer analyzer) {
  		String exclude = analyzer.getProperty("importless.packager.excludes");
  		String[] excludesAll = exclude.split(",");
  		for (String excludesIndividual:excludesAll) {
  			if (excludesIndividual.endsWith("*"))
  				excludePrefixes.add(excludesIndividual.substring(0,excludesIndividual.length()-1));
  			else 
  				excludes.add(excludesIndividual);
  		}
  		System.out.println("excludePrefixes: " + excludePrefixes +" excludes: " + excludes);
  	}
docs: Read the excluded packages from importless.packager.excludes in bnd.bnd
  It can contain  javax.security.auth or javax.xml*
  Put them into two groups
  @param exclude