File system name.
Object of file system. For the file system must first be assigned a mount point with setMountPoint().
Options for FUSE (without FS name and without mount point), like -d, -f, -o autounmount, -o uid=UID, etc. The complete list is available by calling showFuseHelp().
Mounts user file system to the designated location. Template parameter FS is a file system class (real, not abstract).