public void setAvailabilityZoneName(String availabilityZoneName) {
        this.availabilityZoneName = availabilityZoneName;
    }
<p>
Describes the Amazon Web Services Availability Zone in which the file system is located, and is valid only for
One Zone file systems. For more information, see <a
href="https://docs.aws.amazon.com/efs/latest/ug/storage-classes.html">Using EFS storage classes</a> in the
<i>Amazon EFS User Guide</i>.
</p>

@param availabilityZoneName
       Describes the Amazon Web Services Availability Zone in which the file system is located, and is valid only
       for One Zone file systems. For more information, see <a
       href="https://docs.aws.amazon.com/efs/latest/ug/storage-classes.html">Using EFS storage classes</a> in the
       <i>Amazon EFS User Guide</i>.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/UpdateFileSystemResult.java