docs(lsp): vim.api.buf_request_sync can also take function as params #33170

runtime/lua/vim/lsp.lua

@@ -1230,7 +1230,9 @@ end
 ---
 ---@param bufnr integer Buffer handle, or 0 for current.
 ---@param method string LSP method name
----@param params table? Parameters to send to the server
+---@param params? table|(fun(client: vim.lsp.Client, bufnr: integer): table?) Parameters to send to the server.
+---               Can also be passed as a function that returns the params table for cases where
+---               parameters are specific to the client.
 ---@param timeout_ms integer? Maximum time in milliseconds to wait for a result.
 ---                           (default: `1000`)
 ---@return table<integer, {error: lsp.ResponseError?, result: any}>? result Map of client_id:request_result.