refactor: fix type annotations for adapters

lua/oil/view.lua

@@ -578,12 +578,14 @@ M.render_buffer_async = function(bufnr, opts, callback)
     return
   end
 
-  adapter.list(bufname, config.columns, function(err, has_more)
+  cache.begin_update_url(bufname)
+  adapter.list(bufname, config.columns, function(err, fetch_more)
     loading.set_loading(bufnr, false)
     if err then
+      cache.end_update_url(bufname)
       handle_error(err)
       return
-    elseif has_more then
+    elseif fetch_more then
       local now = vim.loop.hrtime() / 1e6
       local delta = now - start_ms
       -- If we've been chugging for more than 40ms, go ahead and render what we have
@@ -595,7 +597,9 @@ M.render_buffer_async = function(bufnr, opts, callback)
         end)
       end
       first = false
+      vim.defer_fn(fetch_more, 4)
     else
+      cache.end_update_url(bufname)
       -- done iterating
       finish()
     end