docs: public EMap<String, String> getXSISchemaLocation() {
  		if (xSISchemaLocation == null) {
  			xSISchemaLocation = new EcoreEMap<String,String>(EcorePackage.Literals.ESTRING_TO_STRING_MAP_ENTRY, EStringToStringMapEntryImpl.class, this, DroolsPackage.DOCUMENT_ROOT__XSI_SCHEMA_LOCATION);
  		}
  		return xSISchemaLocation;
  	}