public void setFileSystemId(String fileSystemId) {
        this.fileSystemId = fileSystemId;
    }
<p>
The Amazon EFS file system ID to use.
</p>

@param fileSystemId
       The Amazon EFS file system ID to use.
aws-java-sdk-batch/src/main/java/com/amazonaws/services/batch/model/EFSVolumeConfiguration.java