$mode
$mode : \Omega\Filesystem\Stream\StreamMode|null
Local stream class for file handling.
This class provides an interface for reading from and writing to local file streams. It manages the file handle and supports various stream operations such as opening, reading, writing, seeking, and flushing. It also ensures that directories are created as needed when writing to a file.
$mode : \Omega\Filesystem\Stream\StreamMode|null