Add intermediate lifetime.

src/intermediate/plain_list.rs

@@ -10,20 +10,20 @@ pub(crate) struct IPlainList {
 }
 
 impl IPlainList {
-    pub(crate) async fn new<'parse>(
-        registry: &mut Registry<'parse>,
-        plain_list: &organic::types::PlainList<'parse>,
+    pub(crate) async fn new<'intermediate, 'parse>(
+        registry: &mut Registry<'intermediate, 'parse>,
+        original: &'intermediate organic::types::PlainList<'parse>,
     ) -> Result<IPlainList, CustomError> {
         let children = {
             let mut ret = Vec::new();
-            for obj in plain_list.children.iter() {
+            for obj in original.children.iter() {
                 ret.push(IPlainListItem::new(registry, obj).await?);
             }
             ret
         };
 
         Ok(IPlainList {
-            list_type: plain_list.list_type,
+            list_type: original.list_type,
             children,
         })
     }