public Configuration withEfsFileSystem(EfsFileSystemConfiguration efsFileSystem) {
        setEfsFileSystem(efsFileSystem);
        return this;
    }
<p>
The access control configuration is for an Amazon EFS file system.
</p>

@param efsFileSystem
       The access control configuration is for an Amazon EFS file system.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-accessanalyzer/src/main/java/com/amazonaws/services/accessanalyzer/model/Configuration.java