public ListLandingZonesResult withLandingZones(LandingZoneSummary... landingZones) {
        if (this.landingZones == null) {
            setLandingZones(new java.util.ArrayList<LandingZoneSummary>(landingZones.length));
        }
        for (LandingZoneSummary ele : landingZones) {
            this.landingZones.add(ele);
        }
        return this;
    }
<p>
The ARN of the landing zone.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setLandingZones(java.util.Collection)} or {@link #withLandingZones(java.util.Collection)} if you want to
override the existing values.
</p>

@param landingZones
       The ARN of the landing zone.
@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/ListLandingZonesResult.java