a #GBytes
Atomically increments the reference count of state by one. This
function is MT-safe and may be called from any thread.
Serializes a #WebKitWebViewSessionState.
Atomically decrements the reference count of state by one. If the
reference count drops to 0, all memory allocated by the #WebKitWebViewSessionState is
released. This function is MT-safe and may be called from any thread.
Creates a new #WebKitWebViewSessionState from serialized data.
a #GBytes
Creates a new #WebKitWebViewSessionState from serialized data.