Fix some small errors

plugins/commands/serve/client/synced_folder.rb

@@ -64,7 +64,7 @@ module VagrantPlugins
         def enable(machine, folders, opts)
           run_func(machine,
             Type::Folders.new(value: folders),
-            Type::Options.new(opts),
+            Type::Options.new(value: opts),
           )
         end
 
@@ -87,7 +87,7 @@ module VagrantPlugins
         def disable(machine, folders, opts)
           run_func(machine,
             Type::Folders.new(value: folders),
-            Type::Options.new(opts),
+            Type::Options.new(value: opts),
           )
         end
 
@@ -107,7 +107,7 @@ module VagrantPlugins
         # @param machine [Vagrant::Machine] Guest machine
         # @param opts [Hash] Options for folders
         def cleanup(machine, opts)
-          run_func(machine, Type::Options.new(opts))
+          run_func(machine, Type::Options.new(value: opts))
         end
       end
     end

plugins/commands/serve/service/provider_service.rb

@@ -52,7 +52,7 @@ module VagrantPlugins
           )
         end
 
-        def installed(*_)
+        def installed(req, ctx)
           plugins = Vagrant.plugin("2").local_manager.providers
           with_plugin(ctx, plugins, broker: broker) do |plugin|
             is_installed = plugin.installed?

plugins/commands/serve/service/synced_folder_service.rb

@@ -39,17 +39,14 @@ module VagrantPlugins
         def usable(req, ctx)
           plugins = Vagrant.plugin("2").local_manager.synced_folders
           with_plugin(ctx, plugins, broker: broker) do |plugin|
-            target = mapper.funcspec_map(req)
-            project = target.project
-            env = Vagrant::Environment.new({client: project})
-            machine = env.machine(target.name.to_sym, target.provider_name.to_sym)
-
+            machine = mapper.funcspec_map(
+              req, expect: [Vagrant::Machine]
+            )
             sf = plugin.new
-              usable = sf.usable?(machine)
-              logger.debug("usable: #{usable}")
-              SDK::SyncedFolder::UsableResp.new(
-                usable: usable,
-              )
+            usable = sf.usable?(machine)
+            SDK::SyncedFolder::UsableResp.new(
+              usable: usable,
+            )
           end
         end
 
@@ -114,7 +111,7 @@ module VagrantPlugins
           plugins = Vagrant.plugin("2").local_manager.synced_folders
           with_plugin(ctx, plugins, broker: broker) do |plugin|
             machine, folders, opts = mapper.funcspec_map(
-              req.func_args,
+              req,
               expect: [Vagrant::Machine, Folders, Type::Options]
             )
             # change the top level folders hash key to a string
@@ -150,7 +147,7 @@ module VagrantPlugins
           plugins = Vagrant.plugin("2").local_manager.synced_folders
           with_plugin(ctx, plugins, broker: broker) do |plugin|
             machine, folders, opts = mapper.funcspec_map(
-              req.func_args,
+              req,
               expect: [Vagrant::Machine, Type::Folders, Type::Options]
             )
             # change the top level folders hash key to a string
@@ -182,11 +179,11 @@ module VagrantPlugins
           plugins = Vagrant.plugin("2").local_manager.synced_folders
           with_plugin(ctx, plugins, broker: broker) do |plugin|
             machine, opts = mapper.funcspec_map(
-              req.func_args,
+              req,
               expect: [Vagrant::Machine, Type::Options]
             )
 
-            sf = get_synced_folder_plugin(plugin_name)
+            sf = plugin.new
             sf.cleanup(machine, opts.value)
             Empty.new
           end