Method forward

(self,
                x,
                t,
                cross_attn_cond=None,
                cross_attn_mask=None,
                input_concat_cond=None,
                global_cond=None,
                cfg_scale=1.0,
                cfg_dropout_prob: float = 0.0,
                batch_cfg: bool = False,
                rescale_cfg: bool = False,
                negative_cross_attn_cond=None,
                negative_cross_attn_mask=None,
                negative_global_cond=None,
                negative_input_concat_cond=None,
                prepend_cond=None,
                prepend_cond_mask=None,
                **kwargs)