Rename is_supported_empty_aggregation_type and `is_supported_aggreg…

…ation_type` functions.

PiperOrigin-RevId: 673582513

t5x/checkpoint_utils.py

@@ -251,6 +251,12 @@ def detect_checkpoint_type(
       return checkpoint_type
 
 
+def _is_supported_empty_value(value: Any) -> bool:
+  if hasattr(ocp.type_handlers, 'is_supported_empty_aggregation_type'):
+    return ocp.type_handlers.is_supported_empty_aggregation_type(value)
+  return ocp.type_handlers.is_supported_empty_value(value)
+
+
 def get_restore_parameters(
     directory: epath.Path,
     structure: PyTree,
@@ -280,7 +286,7 @@ def _get_param_info(
       name: str,
       meta_or_value: Union[Any, ocp.metadata.tree.ValueMetadataEntry],
   ) -> Union[ocp.type_handlers.ParamInfo, Any]:
-    if ocp.type_handlers.is_supported_empty_aggregation_type(meta_or_value):
+    if _is_supported_empty_value(meta_or_value):
       # Empty node, ParamInfo should not be returned.
       return meta_or_value
     elif not isinstance(meta_or_value, ocp.metadata.tree.ValueMetadataEntry):