code: @SuppressWarnings("static-method")
  	protected void addPreferences(
  			IMavenProjectFacade facade, SARLConfiguration config,
  			IProgressMonitor monitor) throws CoreException {
  		final IPath outputPath = makeProjectRelativePath(facade, config.getOutput());
  		// Set the SARL preferences
  		SARLPreferences.setSpecificSARLConfigurationFor(
  				facade.getProject(), outputPath);
  	}
docs: Invoked to add the preferences dedicated to SARL, JRE, etc.
  
  @param facade the Maven face.
  @param config the configuration.
  @param monitor the monitor.
  @throws CoreException if cannot add the source folders.