public EnabledControlDetails withTargetRegions(Region... targetRegions) {
        if (this.targetRegions == null) {
            setTargetRegions(new java.util.ArrayList<Region>(targetRegions.length));
        }
        for (Region ele : targetRegions) {
            this.targetRegions.add(ele);
        }
        return this;
    }
<p>
Target Amazon Web Services Regions for the enabled control.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setTargetRegions(java.util.Collection)} or {@link #withTargetRegions(java.util.Collection)} if you want
to override the existing values.
</p>

@param targetRegions
       Target Amazon Web Services Regions for the enabled control.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-controltower/src/main/java/com/amazonaws/services/controltower/model/EnabledControlDetails.java