public String getAvailabilityZoneId() {
        return this.availabilityZoneId;
    }
<p>
The unique and consistent identifier of the Availability Zone that the mount target resides in. For example,
<code>use1-az1</code> is an AZ ID for the us-east-1 Region and it has the same location in every Amazon Web
Services account.
</p>

@return The unique and consistent identifier of the Availability Zone that the mount target resides in. For
        example, <code>use1-az1</code> is an AZ ID for the us-east-1 Region and it has the same location in every
        Amazon Web Services account.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/CreateMountTargetResult.java