code: public CloneStackRequest withCloneAppIds(String... cloneAppIds) {
          if (this.cloneAppIds == null) {
              setCloneAppIds(new com.amazonaws.internal.SdkInternalList<String>(cloneAppIds.length));
          }
          for (String ele : cloneAppIds) {
              this.cloneAppIds.add(ele);
          }
          return this;
      }
docs: <p>
  A list of source stack app IDs to be included in the cloned stack.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCloneAppIds(java.util.Collection)} or {@link #withCloneAppIds(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param cloneAppIds
  A list of source stack app IDs to be included in the cloned stack.
  @return Returns a reference to this object so that method calls can be chained together.