code: public java.util.List<ResourceTagSet> getResourceTagSets() {
          if (resourceTagSets == null) {
              resourceTagSets = new com.amazonaws.internal.SdkInternalList<ResourceTagSet>();
          }
          return resourceTagSets;
      }
docs: <p>
  A list of <code>ResourceTagSet</code>s containing tags associated with the specified resources.
  </p>
  
  @return A list of <code>ResourceTagSet</code>s containing tags associated with the specified resources.