For users to load in one key.

hf_config.py

@@ -0,0 +1,9 @@
+from transformers import PretrainedConfig
+
+class BiRefNetConfig(PretrainedConfig):
+    model_type = "SegformerForSemanticSegmentation"
+    def __init__(
+        self,
+        **kwargs
+    ):
+      super().__init__(**kwargs)