code: public RemoveTagsFromResourceRequest withTagKeyList(String... tagKeyList) {
          if (this.tagKeyList == null) {
              setTagKeyList(new com.amazonaws.internal.SdkInternalList<String>(tagKeyList.length));
          }
          for (String ele : tagKeyList) {
              this.tagKeyList.add(ele);
          }
          return this;
      }
docs: <p>
  The tag key or keys to remove.
  </p>
  <p>
  Specify only the tag key to remove (not the value). To overwrite the value for an existing tag, use
  <a>AddTagsToResource</a>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTagKeyList(java.util.Collection)} or {@link #withTagKeyList(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param tagKeyList
  The tag key or keys to remove.</p>
  <p>
  Specify only the tag key to remove (not the value). To overwrite the value for an existing tag, use
  <a>AddTagsToResource</a>.
  @return Returns a reference to this object so that method calls can be chained together.