code: @Override
  	protected void configure(ValueParser values) {
  
  		// retrieve the Velocity context for output encoding
  		Object velocityContext = values.get("velocityContext");
  
  		if (!(velocityContext instanceof ToolContext)) {
  			return;
  		}
  
  		ToolContext ctxt = (ToolContext) velocityContext;
  		
  		// get the output encoding
  		Object outputEncodingObj = ctxt.get("outputEncoding");
  		if (outputEncodingObj instanceof String) {
  			this.outputEncoding = (String) outputEncodingObj;
  		}
  	}
docs: {@inheritDoc}
  
  @see SafeConfig#configure(ValueParser)