public void setOwnerId(String ownerId) {
        this.ownerId = ownerId;
    }
<p>
The Amazon Web Services account that created the file system.
</p>

@param ownerId
       The Amazon Web Services account that created the file system.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/UpdateFileSystemResult.java