public Action withCrossRegionCopy(CrossRegionCopyAction... crossRegionCopy) {
        if (this.crossRegionCopy == null) {
            setCrossRegionCopy(new java.util.ArrayList<CrossRegionCopyAction>(crossRegionCopy.length));
        }
        for (CrossRegionCopyAction ele : crossRegionCopy) {
            this.crossRegionCopy.add(ele);
        }
        return this;
    }
<p>
The rule for copying shared snapshots across Regions.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCrossRegionCopy(java.util.Collection)} or {@link #withCrossRegionCopy(java.util.Collection)} if you
want to override the existing values.
</p>

@param crossRegionCopy
       The rule for copying shared snapshots across Regions.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-dlm/src/main/java/com/amazonaws/services/dlm/model/Action.java