code: public ChangeBatch withChanges(Change... changes) {
          if (this.changes == null) {
              setChanges(new com.amazonaws.internal.SdkInternalList<Change>(changes.length));
          }
          for (Change ele : changes) {
              this.changes.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the changes to make to the record sets.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setChanges(java.util.Collection)} or {@link #withChanges(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param changes
  Information about the changes to make to the record sets.
  @return Returns a reference to this object so that method calls can be chained together.