docs: private String parseOuterClassName() {
  		StringBuilder sb = new StringBuilder();
  		sb.append(parseJavaId());
  		while (peekChar() == packageSeparator) { // '/' or '.'
  			nextChar(packageSeparator);
  			sb.append('.');
  			sb.append(parseJavaId());
  		}
  		return sb.toString();
  	}