code: public ISREInstall getDefaultSRE() {
  		final Object[] objects = this.sresList.getCheckedElements();
  		if (objects.length == 0) {
  			return null;
  		}
  		return (ISREInstall) objects[0];
  	}
docs: Returns the default SRE or <code>null</code> if none.
  
  @return the default SRE or <code>null</code> if none