code: public BulkEmailDestination withReplacementTags(MessageTag... replacementTags) {
          if (this.replacementTags == null) {
              setReplacementTags(new com.amazonaws.internal.SdkInternalList<MessageTag>(replacementTags.length));
          }
          for (MessageTag ele : replacementTags) {
              this.replacementTags.add(ele);
          }
          return this;
      }
docs: <p>
  A list of tags, in the form of name/value pairs, to apply to an email that you send using
  <code>SendBulkTemplatedEmail</code>. Tags correspond to characteristics of the email that you define, so that you
  can publish email sending events.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setReplacementTags(java.util.Collection)} or {@link #withReplacementTags(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param replacementTags
  A list of tags, in the form of name/value pairs, to apply to an email that you send using
  <code>SendBulkTemplatedEmail</code>. Tags correspond to characteristics of the email that you define, so
  that you can publish email sending events.
  @return Returns a reference to this object so that method calls can be chained together.