code: public CreateKeyRequest withTags(Tag... tags) {
          if (this.tags == null) {
              setTags(new com.ibm.cloud.objectstorage.internal.SdkInternalList<Tag>(tags.length));
          }
          for (Tag ele : tags) {
              this.tags.add(ele);
          }
          return this;
      }
docs: <p>
  One or more tags. Each tag consists of a tag key and a tag value. Tag keys and tag values are both required, but
  tag values can be empty (null) strings.
  </p>
  <p>
  Use this parameter to tag the CMK when it is created. Alternately, you can omit this parameter and instead tag
  the CMK after it is created using <a>TagResource</a>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTags(java.util.Collection)} or {@link #withTags(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param tags
  One or more tags. Each tag consists of a tag key and a tag value. Tag keys and tag values are both
  required, but tag values can be empty (null) strings.</p>
  <p>
  Use this parameter to tag the CMK when it is created. Alternately, you can omit this parameter and instead
  tag the CMK after it is created using <a>TagResource</a>.
  @return Returns a reference to this object so that method calls can be chained together.