code: public static String getAsReference(String value) {
  		if (value.length() < 2) {
  			return "";
  		}
  		
  		value = value.substring(1, value.length());
  		
  		return value;
  	}
docs: Get the attribute value as a reference to another entity
  
  @param value The value to treat as reference
  @return The reference part of the attribute value