fn json_target_nested_paths(
metadata: &RegionMetadataRef,
read_columns: &ReadColumns,
column_id: ColumnId,
) -> Vec<NestedPath> ⓘfn json_target_nested_paths(
metadata: &RegionMetadataRef,
read_columns: &ReadColumns,
column_id: ColumnId,
) -> Vec<NestedPath> ⓘ