code: public UpdatePortfolioRequest withRemoveTags(String... removeTags) {
          if (this.removeTags == null) {
              setRemoveTags(new java.util.ArrayList<String>(removeTags.length));
          }
          for (String ele : removeTags) {
              this.removeTags.add(ele);
          }
          return this;
      }
docs: <p>
  The tags to remove.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRemoveTags(java.util.Collection)} or {@link #withRemoveTags(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param removeTags
  The tags to remove.
  @return Returns a reference to this object so that method calls can be chained together.