def can_add(self):
        """Checks the state of the buffer and returns whether a new item can be added to the buffer at the time.

        :return: A boolean indicating whether an item can be added to the buffer at the time.
        """
Checks the state of the buffer and returns whether a new item can be added to the buffer at the time.

        :return: A boolean indicating whether an item can be added to the buffer at the time.
        
petastorm/reader_impl/pytorch_shuffling_buffer.py