fix(lsp): support multiple clients in typehierarchy

runtime/lua/vim/ui.lua

@@ -20,7 +20,8 @@ local M = {}
 --- end)
 --- ```
 ---
----@param items any[] Arbitrary items
+---@generic T
+---@param items T[] Arbitrary items
 ---@param opts table Additional options
 ---     - prompt (string|nil)
 ---               Text of the prompt. Defaults to `Select one of:`
@@ -32,7 +33,7 @@ local M = {}
 ---               Plugins reimplementing `vim.ui.select` may wish to
 ---               use this to infer the structure or semantics of
 ---               `items`, or the context in which select() was called.
----@param on_choice fun(item: any|nil, idx: integer|nil)
+---@param on_choice fun(item: T|nil, idx: integer|nil)
 ---               Called once the user made a choice.
 ---               `idx` is the 1-based index of `item` within `items`.
 ---               `nil` if the user aborted the dialog.