code: public void setChanges(java.util.Collection<Change> changes) {
          if (changes == null) {
              this.changes = null;
              return;
          }
  
          this.changes = new com.amazonaws.internal.SdkInternalList<Change>(changes);
      }
docs: <p>
  A list of <code>Change</code> structures that describes the resources AWS CloudFormation changes if you execute
  the change set.
  </p>
  
  @param changes
  A list of <code>Change</code> structures that describes the resources AWS CloudFormation changes if you
  execute the change set.