code: public NetworkInterface withTagSet(Tag... tagSet) {
          if (this.tagSet == null) {
              setTagSet(new com.amazonaws.internal.SdkInternalList<Tag>(tagSet.length));
          }
          for (Tag ele : tagSet) {
              this.tagSet.add(ele);
          }
          return this;
      }
docs: <p>
  Any tags assigned to the network interface.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTagSet(java.util.Collection)} or {@link #withTagSet(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param tagSet
  Any tags assigned to the network interface.
  @return Returns a reference to this object so that method calls can be chained together.