Sets the value at the specified key as type list. Returns true (1) if the
value was set successfully. If |value| is currently owned by another
object then the value will be copied and the |value| reference will not
change. Otherwise, ownership will be transferred to this object and the
|value| reference will be invalidated.
Sets the value at the specified key as type list. Returns true (1) if the value was set successfully. If |value| is currently owned by another object then the value will be copied and the |value| reference will not change. Otherwise, ownership will be transferred to this object and the |value| reference will be invalidated.