# Functions
CreateFlagFile creates a flag file in the specific location.
DirExist returns whether the specified filesystem entry exists.
Exist returns whether the specified filesystem entry exists.
GetFlagFileContent gets the content of the flag file found in the specified location.
HasFlagFile returns a boolean value indicating whether flag file can be found in the specified location.
IsDirMarkedAsDeleted returns a boolean flag indicating whether the specified directory has been marked as deleted.
MarkDirAsDeleted marks the specified directory as deleted.
Mkdir creates the specified dir.
MkdirAll creates the specified dir along with any necessary parents.
MustWrite writes the specified data to the input writer.
RemoveFlagFile removes the specified flag file.
SyncDir calls fsync on the specified directory.
# Constants
DefaultFileMode is the default file mode for files generated.