void updateSync(
String target
)

Synchronously updates the link. Calling updateSync on a non-existing link will throw an exception.

On the Windows platform, this will only work with directories, and the target directory must exist.

Source

/**
 * Synchronously updates the link. Calling [updateSync] on a non-existing link
 * will throw an exception.
 *
 * On the Windows platform, this will only work with directories, and the
 * target directory must exist.
 */
void updateSync(String target);