diff --git a/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_pb.rb b/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_pb.rb
index ced47c596..9d2e2808e 100644
--- a/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_pb.rb
+++ b/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_pb.rb
@@ -613,7 +613,7 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
       optional :name, :string, 1
     end
     add_message "hashicorp.vagrant.sdk.Target.VagrantfilePathResponse" do
-      optional :path, :string, 1
+      optional :path, :message, 1, "hashicorp.vagrant.sdk.Args.Path"
     end
     add_message "hashicorp.vagrant.sdk.Target.UpdatedAtResponse" do
       optional :updated_at, :message, 1, "google.protobuf.Timestamp"
@@ -662,9 +662,6 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
     add_message "hashicorp.vagrant.sdk.Project.CwdResponse" do
       optional :path, :string, 1
     end
-    add_message "hashicorp.vagrant.sdk.Project.DefaultPrivateKeyResponse" do
-      optional :key, :string, 1
-    end
     add_message "hashicorp.vagrant.sdk.Project.DefaultProviderResponse" do
       optional :provider_name, :string, 1
     end
@@ -680,9 +677,6 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
     add_message "hashicorp.vagrant.sdk.Project.ResourceIdResponse" do
       optional :resource_id, :string, 1
     end
-    add_message "hashicorp.vagrant.sdk.Project.RootPathResponse" do
-      optional :path, :string, 1
-    end
     add_message "hashicorp.vagrant.sdk.Project.TargetRequest" do
       optional :name, :string, 1
     end
@@ -692,15 +686,9 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
     add_message "hashicorp.vagrant.sdk.Project.TargetIdsResponse" do
       repeated :ids, :string, 1
     end
-    add_message "hashicorp.vagrant.sdk.Project.TmpResponse" do
-      optional :path, :string, 1
-    end
     add_message "hashicorp.vagrant.sdk.Project.VagrantfileNameResponse" do
       optional :name, :string, 1
     end
-    add_message "hashicorp.vagrant.sdk.Project.VagrantfilePathResponse" do
-      optional :path, :string, 1
-    end
     add_message "hashicorp.vagrant.sdk.Vagrantfile" do
     end
     add_message "hashicorp.vagrant.sdk.Vagrantfile.BoxCollection" do
@@ -886,7 +874,7 @@ Google::Protobuf::DescriptorPool.generated_pool.build do
     add_message "hashicorp.vagrant.sdk.BoxCollection" do
     end
     add_message "hashicorp.vagrant.sdk.BoxCollection.AddRequest" do
-      optional :path, :string, 1
+      optional :path, :message, 1, "hashicorp.vagrant.sdk.Args.Path"
       optional :name, :string, 2
       optional :version, :string, 3
       optional :metadataUrl, :string, 4
@@ -1118,19 +1106,15 @@ module Hashicorp
       Project::ActiveTargetsResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.ActiveTargetsResponse").msgclass
       Project::ConfigResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.ConfigResponse").msgclass
       Project::CwdResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.CwdResponse").msgclass
-      Project::DefaultPrivateKeyResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.DefaultPrivateKeyResponse").msgclass
       Project::DefaultProviderResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.DefaultProviderResponse").msgclass
       Project::HomeResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.HomeResponse").msgclass
       Project::LocalDataResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.LocalDataResponse").msgclass
       Project::PrimaryTargetNameResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.PrimaryTargetNameResponse").msgclass
       Project::ResourceIdResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.ResourceIdResponse").msgclass
-      Project::RootPathResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.RootPathResponse").msgclass
       Project::TargetRequest = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.TargetRequest").msgclass
       Project::TargetNamesResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.TargetNamesResponse").msgclass
       Project::TargetIdsResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.TargetIdsResponse").msgclass
-      Project::TmpResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.TmpResponse").msgclass
       Project::VagrantfileNameResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.VagrantfileNameResponse").msgclass
-      Project::VagrantfilePathResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Project.VagrantfilePathResponse").msgclass
       Vagrantfile = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Vagrantfile").msgclass
       Vagrantfile::BoxCollection = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Vagrantfile.BoxCollection").msgclass
       Vagrantfile::GetVagrantfileRequest = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("hashicorp.vagrant.sdk.Vagrantfile.GetVagrantfileRequest").msgclass
diff --git a/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_services_pb.rb b/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_services_pb.rb
index 208887a92..0ac7a7b80 100644
--- a/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_services_pb.rb
+++ b/lib/vagrant/protobufs/proto/vagrant_plugin_sdk/plugin_services_pb.rb
@@ -469,24 +469,24 @@ module Hashicorp
           rpc :ActiveTargets, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::ActiveTargetsResponse
           rpc :Boxes, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::BoxCollection
           rpc :Config, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::ConfigResponse
-          rpc :CWD, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::CwdResponse
+          rpc :CWD, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :DataDir, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::DataDir::Project
-          rpc :DefaultPrivateKey, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::DefaultPrivateKeyResponse
+          rpc :DefaultPrivateKey, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :DefaultProvider, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::DefaultProviderResponse
-          rpc :Home, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::HomeResponse
+          rpc :Home, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :Host, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Host
-          rpc :LocalData, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::LocalDataResponse
+          rpc :LocalData, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :PrimaryTargetName, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::PrimaryTargetNameResponse
           rpc :ResourceId, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::ResourceIdResponse
-          rpc :RootPath, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::RootPathResponse
+          rpc :RootPath, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :Target, ::Hashicorp::Vagrant::Sdk::Project::TargetRequest, ::Hashicorp::Vagrant::Sdk::Args::Target
           rpc :TargetIds, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::TargetIdsResponse
           rpc :TargetIndex, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::TargetIndex
           rpc :TargetNames, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::TargetNamesResponse
-          rpc :Tmp, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::TmpResponse
+          rpc :Tmp, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
           rpc :UI, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::TerminalUI
           rpc :VagrantfileName, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::VagrantfileNameResponse
-          rpc :VagrantfilePath, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Project::VagrantfilePathResponse
+          rpc :VagrantfilePath, ::Google::Protobuf::Empty, ::Hashicorp::Vagrant::Sdk::Args::Path
         end
 
         Stub = Service.rpc_stub_class