code: private String getAnnotation(SNode node)
    {
  
      if (mappings.containsKey(MAPPING_NODE_KEY)
        && mappings.getProperty(MAPPING_NODE_KEY) != null)
      {
  
        Set<SAnnotation> annos = node.getAnnotations();
        SAnnotation anno = null;
  
        for (SAnnotation a : annos)
        {
          if (mappings.getProperty(MAPPING_NODE_KEY).equals(a.getName()))
          {
            anno = a;
            break;
          }
        }
  
        return anno != null ? anno.getQName() + "=" + anno.getValue_STEXT(): "";
      }
  
      return "";
    }
docs: Provid the whole annotation ((String)
  &lt;namespace&gt;::&lt;key&gt;=&lt;value&gt;) value with namespace and
  annotation key, which was defined in the mappings with the Key
  {@link VakyarthaDependencyTree#MAPPING_NODE_KEY}.
  
  @return Empty string, if the mapping is not defined.