unmount_with_operation
Description:
[ Version ( since = "2.22" ) ]
public abstract async bool unmount_with_operation (MountUnmountFlags flags, MountOperation? mount_operation, Cancellable? cancellable = null) throws Error
  public abstract async bool unmount_with_operation (MountUnmountFlags flags, MountOperation? mount_operation, Cancellable? cancellable = null) throws Error
Unmounts a mount.
 This is an asynchronous operation, and is finished by calling unmount_with_operation.end with the 
      this and AsyncResult data returned in the 
      callback.
Parameters:
| this | a Mount. | 
| flags | flags affecting the operation | 
| mount_operation | a MountOperation or null to avoid user interaction. | 
| cancellable | optional Cancellable object, null to ignore. | 
| callback | a TaskReadyCallback, or null. | 
| user_data | user data passed to  |