public CreateMountTargetRequest withSubnetId(String subnetId) {
        setSubnetId(subnetId);
        return this;
    }
<p>
The ID of the subnet to add the mount target in. For One Zone file systems, use the subnet that is associated
with the file system's Availability Zone.
</p>

@param subnetId
       The ID of the subnet to add the mount target in. For One Zone file systems, use the subnet that is
       associated with the file system's Availability Zone.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/CreateMountTargetRequest.java