src/transformers/models/lxmert/modeling_tf_lxmert.py/TFLxmertXLayer/output_fc
class TFLxmertXLayer:    def output_fc(self, lang_input, visn_input, training=False):
        # FC layers
        lang_inter_output = self.lang_inter(lang_input)
        visn_inter_output = self.visn_inter(visn_input)

        # Layer output
        lang_output = self.lang_output(lang_inter_output, lang_input, training)
        visn_output = self.visn_output(visn_inter_output, visn_input, training)
        return lang_output, visn_output