Finishes unmounting a mount. If any errors occurred during the operation, error will be set to contain the errors and FALSE will be returned. Since 2.22
a GAsyncResult.
TRUE if the mount was successfully unmounted. FALSE otherwise.
GException on failure.
See Implementation
Finishes unmounting a mount. If any errors occurred during the operation, error will be set to contain the errors and FALSE will be returned. Since 2.22