diff --git a/builtin/providers/test/resource_timeout_test.go b/builtin/providers/test/resource_timeout_test.go
index 9edbba89a..8227bfb63 100644
--- a/builtin/providers/test/resource_timeout_test.go
+++ b/builtin/providers/test/resource_timeout_test.go
@@ -27,6 +27,27 @@ resource "test_resource_timeout" "foo" {
 		},
 	})
 }
+
+func TestResourceTimeout_delete(t *testing.T) {
+	// If the delete timeout isn't saved until destroy, the cleanup here will
+	// fail because the default is only 20m.
+	resource.UnitTest(t, resource.TestCase{
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckResourceDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: strings.TrimSpace(`
+resource "test_resource_timeout" "foo" {
+	delete_delay = "25m"
+	timeouts {
+		delete = "30m"
+	}
+}
+				`),
+			},
+		},
+	})
+}
 func TestResourceTimeout_update(t *testing.T) {
 	resource.UnitTest(t, resource.TestCase{
 		Providers:    testAccProviders,
diff --git a/command/apply_test.go b/command/apply_test.go
index 9f7a968f8..5df59c629 100644
--- a/command/apply_test.go
+++ b/command/apply_test.go
@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/mitchellh/cli"
 	"github.com/zclconf/go-cty/cty"
 
@@ -1392,7 +1393,7 @@ func TestApply_backup(t *testing.T) {
 
 	actual := backupState.RootModule().Resources["test_instance.foo"]
 	expected := originalState.RootModule().Resources["test_instance.foo"]
-	if !cmp.Equal(actual, expected) {
+	if !cmp.Equal(actual, expected, cmpopts.EquateEmpty()) {
 		t.Fatalf(
 			"wrong aws_instance.foo state\n%s",
 			cmp.Diff(expected, actual, cmp.Transformer("bytesAsString", func(b []byte) string {
diff --git a/command/command_test.go b/command/command_test.go
index 8753028bc..d701c9a3b 100644
--- a/command/command_test.go
+++ b/command/command_test.go
@@ -7,8 +7,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"github.com/hashicorp/terraform/internal/initwd"
-	"github.com/hashicorp/terraform/registry"
 	"io"
 	"io/ioutil"
 	"log"
@@ -21,6 +19,9 @@ import (
 	"syscall"
 	"testing"
 
+	"github.com/hashicorp/terraform/internal/initwd"
+	"github.com/hashicorp/terraform/registry"
+
 	"github.com/hashicorp/terraform/addrs"
 	"github.com/hashicorp/terraform/configs"
 	"github.com/hashicorp/terraform/configs/configload"
@@ -266,7 +267,10 @@ func testState() *states.State {
 				Type: "test",
 			}.Absolute(addrs.RootModuleInstance),
 		)
-	})
+		// DeepCopy is used here to ensure our synthetic state matches exactly
+		// with a state that will have been copied during the command
+		// operation, and all fields have been copied correctly.
+	}).DeepCopy()
 }
 
 // writeStateForTesting is a helper that writes the given naked state to the
diff --git a/command/refresh_test.go b/command/refresh_test.go
index 603781466..5781c82d1 100644
--- a/command/refresh_test.go
+++ b/command/refresh_test.go
@@ -12,6 +12,8 @@ import (
 	"testing"
 
 	"github.com/davecgh/go-spew/spew"
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/mitchellh/cli"
 	"github.com/zclconf/go-cty/cty"
 
@@ -557,8 +559,8 @@ func TestRefresh_backup(t *testing.T) {
 	}
 
 	newState := testStateRead(t, statePath)
-	if !reflect.DeepEqual(newState, state) {
-		t.Fatalf("bad: %#v", newState)
+	if !cmp.Equal(newState, state, cmpopts.EquateEmpty()) {
+		t.Fatalf("got:\n%s\nexpected:\n%s\n", newState, state)
 	}
 
 	newState = testStateRead(t, outPath)
diff --git a/helper/plugin/grpc_provider.go b/helper/plugin/grpc_provider.go
index 510f47f35..3bdc98898 100644
--- a/helper/plugin/grpc_provider.go
+++ b/helper/plugin/grpc_provider.go
@@ -535,6 +535,11 @@ func (s *GRPCProviderServer) ReadResource(_ context.Context, req *proto.ReadReso
 		Msgpack: newStateMP,
 	}
 
+	// helper/schema did previously handle private data during refresh, but
+	// core is now going to expect this to be maintained in order to
+	// persist it in the state.
+	resp.Private = req.Private
+
 	return resp, nil
 }
 
@@ -569,6 +574,7 @@ func (s *GRPCProviderServer) PlanResourceChange(_ context.Context, req *proto.Pl
 	// We don't usually plan destroys, but this can return early in any case.
 	if proposedNewStateVal.IsNull() {
 		resp.PlannedState = req.ProposedNewState
+		resp.PlannedPrivate = req.PriorPrivate
 		return resp, nil
 	}
 
diff --git a/helper/resource/state_shim.go b/helper/resource/state_shim.go
index b2aff99d1..f4882075d 100644
--- a/helper/resource/state_shim.go
+++ b/helper/resource/state_shim.go
@@ -1,6 +1,7 @@
 package resource
 
 import (
+	"encoding/json"
 	"fmt"
 
 	"github.com/hashicorp/terraform/addrs"
@@ -52,43 +53,57 @@ func shimNewState(newState *states.State, providers map[string]terraform.Resourc
 			resource := getResource(providers, providerType, res.Addr)
 
 			for key, i := range res.Instances {
-				flatmap, err := shimmedAttributes(i.Current, resource)
-				if err != nil {
-					return nil, fmt.Errorf("error decoding state for %q: %s", resType, err)
+				resState := &terraform.ResourceState{
+					Type:     resType,
+					Provider: res.ProviderConfig.String(),
 				}
 
-				resState := &terraform.ResourceState{
-					Type: resType,
-					Primary: &terraform.InstanceState{
+				// We should always have a Current instance here, but be safe about checking.
+				if i.Current != nil {
+					flatmap, err := shimmedAttributes(i.Current, resource)
+					if err != nil {
+						return nil, fmt.Errorf("error decoding state for %q: %s", resType, err)
+					}
+
+					var meta map[string]interface{}
+					if i.Current.Private != nil {
+						err := json.Unmarshal(i.Current.Private, &meta)
+						if err != nil {
+							return nil, err
+						}
+					}
+
+					resState.Primary = &terraform.InstanceState{
 						ID:         flatmap["id"],
 						Attributes: flatmap,
 						Tainted:    i.Current.Status == states.ObjectTainted,
-					},
-					Provider: res.ProviderConfig.String(),
-				}
-				if i.Current.SchemaVersion != 0 {
-					resState.Primary.Meta = map[string]interface{}{
-						"schema_version": i.Current.SchemaVersion,
+						Meta:       meta,
 					}
-				}
 
-				for _, dep := range i.Current.Dependencies {
-					resState.Dependencies = append(resState.Dependencies, dep.String())
-				}
-
-				// convert the indexes to the old style flapmap indexes
-				idx := ""
-				switch key.(type) {
-				case addrs.IntKey:
-					// don't add numeric index values to resources with a count of 0
-					if len(res.Instances) > 1 {
-						idx = fmt.Sprintf(".%d", key)
+					if i.Current.SchemaVersion != 0 {
+						resState.Primary.Meta = map[string]interface{}{
+							"schema_version": i.Current.SchemaVersion,
+						}
 					}
-				case addrs.StringKey:
-					idx = "." + key.String()
-				}
 
-				mod.Resources[res.Addr.String()+idx] = resState
+					for _, dep := range i.Current.Dependencies {
+						resState.Dependencies = append(resState.Dependencies, dep.String())
+					}
+
+					// convert the indexes to the old style flapmap indexes
+					idx := ""
+					switch key.(type) {
+					case addrs.IntKey:
+						// don't add numeric index values to resources with a count of 0
+						if len(res.Instances) > 1 {
+							idx = fmt.Sprintf(".%d", key)
+						}
+					case addrs.StringKey:
+						idx = "." + key.String()
+					}
+
+					mod.Resources[res.Addr.String()+idx] = resState
+				}
 
 				// add any deposed instances
 				for _, dep := range i.Deposed {
@@ -97,10 +112,19 @@ func shimNewState(newState *states.State, providers map[string]terraform.Resourc
 						return nil, fmt.Errorf("error decoding deposed state for %q: %s", resType, err)
 					}
 
+					var meta map[string]interface{}
+					if dep.Private != nil {
+						err := json.Unmarshal(dep.Private, &meta)
+						if err != nil {
+							return nil, err
+						}
+					}
+
 					deposed := &terraform.InstanceState{
 						ID:         flatmap["id"],
 						Attributes: flatmap,
 						Tainted:    dep.Status == states.ObjectTainted,
+						Meta:       meta,
 					}
 					if dep.SchemaVersion != 0 {
 						deposed.Meta = map[string]interface{}{
diff --git a/internal/tfplugin5/tfplugin5.pb.go b/internal/tfplugin5/tfplugin5.pb.go
index 87a6bec75..b2bdf8888 100644
--- a/internal/tfplugin5/tfplugin5.pb.go
+++ b/internal/tfplugin5/tfplugin5.pb.go
@@ -3,13 +3,12 @@
 
 package tfplugin5
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-
 import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
 	context "golang.org/x/net/context"
 	grpc "google.golang.org/grpc"
+	math "math"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -36,6 +35,7 @@ var Diagnostic_Severity_name = map[int32]string{
 	1: "ERROR",
 	2: "WARNING",
 }
+
 var Diagnostic_Severity_value = map[string]int32{
 	"INVALID": 0,
 	"ERROR":   1,
@@ -45,8 +45,9 @@ var Diagnostic_Severity_value = map[string]int32{
 func (x Diagnostic_Severity) String() string {
 	return proto.EnumName(Diagnostic_Severity_name, int32(x))
 }
+
 func (Diagnostic_Severity) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{1, 0}
+	return fileDescriptor_17ae6090ff270234, []int{1, 0}
 }
 
 type Schema_NestedBlock_NestingMode int32
@@ -68,6 +69,7 @@ var Schema_NestedBlock_NestingMode_name = map[int32]string{
 	4: "MAP",
 	5: "GROUP",
 }
+
 var Schema_NestedBlock_NestingMode_value = map[string]int32{
 	"INVALID": 0,
 	"SINGLE":  1,
@@ -80,8 +82,9 @@ var Schema_NestedBlock_NestingMode_value = map[string]int32{
 func (x Schema_NestedBlock_NestingMode) String() string {
 	return proto.EnumName(Schema_NestedBlock_NestingMode_name, int32(x))
 }
+
 func (Schema_NestedBlock_NestingMode) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{5, 2, 0}
+	return fileDescriptor_17ae6090ff270234, []int{5, 2, 0}
 }
 
 // DynamicValue is an opaque encoding of terraform data, with the field name
@@ -98,16 +101,17 @@ func (m *DynamicValue) Reset()         { *m = DynamicValue{} }
 func (m *DynamicValue) String() string { return proto.CompactTextString(m) }
 func (*DynamicValue) ProtoMessage()    {}
 func (*DynamicValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{0}
+	return fileDescriptor_17ae6090ff270234, []int{0}
 }
+
 func (m *DynamicValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DynamicValue.Unmarshal(m, b)
 }
 func (m *DynamicValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DynamicValue.Marshal(b, m, deterministic)
 }
-func (dst *DynamicValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DynamicValue.Merge(dst, src)
+func (m *DynamicValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DynamicValue.Merge(m, src)
 }
 func (m *DynamicValue) XXX_Size() int {
 	return xxx_messageInfo_DynamicValue.Size(m)
@@ -146,16 +150,17 @@ func (m *Diagnostic) Reset()         { *m = Diagnostic{} }
 func (m *Diagnostic) String() string { return proto.CompactTextString(m) }
 func (*Diagnostic) ProtoMessage()    {}
 func (*Diagnostic) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{1}
+	return fileDescriptor_17ae6090ff270234, []int{1}
 }
+
 func (m *Diagnostic) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Diagnostic.Unmarshal(m, b)
 }
 func (m *Diagnostic) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Diagnostic.Marshal(b, m, deterministic)
 }
-func (dst *Diagnostic) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Diagnostic.Merge(dst, src)
+func (m *Diagnostic) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Diagnostic.Merge(m, src)
 }
 func (m *Diagnostic) XXX_Size() int {
 	return xxx_messageInfo_Diagnostic.Size(m)
@@ -205,16 +210,17 @@ func (m *AttributePath) Reset()         { *m = AttributePath{} }
 func (m *AttributePath) String() string { return proto.CompactTextString(m) }
 func (*AttributePath) ProtoMessage()    {}
 func (*AttributePath) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{2}
+	return fileDescriptor_17ae6090ff270234, []int{2}
 }
+
 func (m *AttributePath) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_AttributePath.Unmarshal(m, b)
 }
 func (m *AttributePath) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_AttributePath.Marshal(b, m, deterministic)
 }
-func (dst *AttributePath) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AttributePath.Merge(dst, src)
+func (m *AttributePath) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AttributePath.Merge(m, src)
 }
 func (m *AttributePath) XXX_Size() int {
 	return xxx_messageInfo_AttributePath.Size(m)
@@ -247,16 +253,17 @@ func (m *AttributePath_Step) Reset()         { *m = AttributePath_Step{} }
 func (m *AttributePath_Step) String() string { return proto.CompactTextString(m) }
 func (*AttributePath_Step) ProtoMessage()    {}
 func (*AttributePath_Step) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{2, 0}
+	return fileDescriptor_17ae6090ff270234, []int{2, 0}
 }
+
 func (m *AttributePath_Step) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_AttributePath_Step.Unmarshal(m, b)
 }
 func (m *AttributePath_Step) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_AttributePath_Step.Marshal(b, m, deterministic)
 }
-func (dst *AttributePath_Step) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AttributePath_Step.Merge(dst, src)
+func (m *AttributePath_Step) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AttributePath_Step.Merge(m, src)
 }
 func (m *AttributePath_Step) XXX_Size() int {
 	return xxx_messageInfo_AttributePath_Step.Size(m)
@@ -407,16 +414,17 @@ func (m *Stop) Reset()         { *m = Stop{} }
 func (m *Stop) String() string { return proto.CompactTextString(m) }
 func (*Stop) ProtoMessage()    {}
 func (*Stop) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{3}
+	return fileDescriptor_17ae6090ff270234, []int{3}
 }
+
 func (m *Stop) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Stop.Unmarshal(m, b)
 }
 func (m *Stop) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Stop.Marshal(b, m, deterministic)
 }
-func (dst *Stop) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Stop.Merge(dst, src)
+func (m *Stop) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Stop.Merge(m, src)
 }
 func (m *Stop) XXX_Size() int {
 	return xxx_messageInfo_Stop.Size(m)
@@ -437,16 +445,17 @@ func (m *Stop_Request) Reset()         { *m = Stop_Request{} }
 func (m *Stop_Request) String() string { return proto.CompactTextString(m) }
 func (*Stop_Request) ProtoMessage()    {}
 func (*Stop_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{3, 0}
+	return fileDescriptor_17ae6090ff270234, []int{3, 0}
 }
+
 func (m *Stop_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Stop_Request.Unmarshal(m, b)
 }
 func (m *Stop_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Stop_Request.Marshal(b, m, deterministic)
 }
-func (dst *Stop_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Stop_Request.Merge(dst, src)
+func (m *Stop_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Stop_Request.Merge(m, src)
 }
 func (m *Stop_Request) XXX_Size() int {
 	return xxx_messageInfo_Stop_Request.Size(m)
@@ -468,16 +477,17 @@ func (m *Stop_Response) Reset()         { *m = Stop_Response{} }
 func (m *Stop_Response) String() string { return proto.CompactTextString(m) }
 func (*Stop_Response) ProtoMessage()    {}
 func (*Stop_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{3, 1}
+	return fileDescriptor_17ae6090ff270234, []int{3, 1}
 }
+
 func (m *Stop_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Stop_Response.Unmarshal(m, b)
 }
 func (m *Stop_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Stop_Response.Marshal(b, m, deterministic)
 }
-func (dst *Stop_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Stop_Response.Merge(dst, src)
+func (m *Stop_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Stop_Response.Merge(m, src)
 }
 func (m *Stop_Response) XXX_Size() int {
 	return xxx_messageInfo_Stop_Response.Size(m)
@@ -510,16 +520,17 @@ func (m *RawState) Reset()         { *m = RawState{} }
 func (m *RawState) String() string { return proto.CompactTextString(m) }
 func (*RawState) ProtoMessage()    {}
 func (*RawState) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{4}
+	return fileDescriptor_17ae6090ff270234, []int{4}
 }
+
 func (m *RawState) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_RawState.Unmarshal(m, b)
 }
 func (m *RawState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_RawState.Marshal(b, m, deterministic)
 }
-func (dst *RawState) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RawState.Merge(dst, src)
+func (m *RawState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_RawState.Merge(m, src)
 }
 func (m *RawState) XXX_Size() int {
 	return xxx_messageInfo_RawState.Size(m)
@@ -561,16 +572,17 @@ func (m *Schema) Reset()         { *m = Schema{} }
 func (m *Schema) String() string { return proto.CompactTextString(m) }
 func (*Schema) ProtoMessage()    {}
 func (*Schema) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{5}
+	return fileDescriptor_17ae6090ff270234, []int{5}
 }
+
 func (m *Schema) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Schema.Unmarshal(m, b)
 }
 func (m *Schema) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Schema.Marshal(b, m, deterministic)
 }
-func (dst *Schema) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Schema.Merge(dst, src)
+func (m *Schema) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Schema.Merge(m, src)
 }
 func (m *Schema) XXX_Size() int {
 	return xxx_messageInfo_Schema.Size(m)
@@ -608,16 +620,17 @@ func (m *Schema_Block) Reset()         { *m = Schema_Block{} }
 func (m *Schema_Block) String() string { return proto.CompactTextString(m) }
 func (*Schema_Block) ProtoMessage()    {}
 func (*Schema_Block) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{5, 0}
+	return fileDescriptor_17ae6090ff270234, []int{5, 0}
 }
+
 func (m *Schema_Block) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Schema_Block.Unmarshal(m, b)
 }
 func (m *Schema_Block) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Schema_Block.Marshal(b, m, deterministic)
 }
-func (dst *Schema_Block) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Schema_Block.Merge(dst, src)
+func (m *Schema_Block) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Schema_Block.Merge(m, src)
 }
 func (m *Schema_Block) XXX_Size() int {
 	return xxx_messageInfo_Schema_Block.Size(m)
@@ -666,16 +679,17 @@ func (m *Schema_Attribute) Reset()         { *m = Schema_Attribute{} }
 func (m *Schema_Attribute) String() string { return proto.CompactTextString(m) }
 func (*Schema_Attribute) ProtoMessage()    {}
 func (*Schema_Attribute) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{5, 1}
+	return fileDescriptor_17ae6090ff270234, []int{5, 1}
 }
+
 func (m *Schema_Attribute) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Schema_Attribute.Unmarshal(m, b)
 }
 func (m *Schema_Attribute) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Schema_Attribute.Marshal(b, m, deterministic)
 }
-func (dst *Schema_Attribute) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Schema_Attribute.Merge(dst, src)
+func (m *Schema_Attribute) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Schema_Attribute.Merge(m, src)
 }
 func (m *Schema_Attribute) XXX_Size() int {
 	return xxx_messageInfo_Schema_Attribute.Size(m)
@@ -750,16 +764,17 @@ func (m *Schema_NestedBlock) Reset()         { *m = Schema_NestedBlock{} }
 func (m *Schema_NestedBlock) String() string { return proto.CompactTextString(m) }
 func (*Schema_NestedBlock) ProtoMessage()    {}
 func (*Schema_NestedBlock) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{5, 2}
+	return fileDescriptor_17ae6090ff270234, []int{5, 2}
 }
+
 func (m *Schema_NestedBlock) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Schema_NestedBlock.Unmarshal(m, b)
 }
 func (m *Schema_NestedBlock) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Schema_NestedBlock.Marshal(b, m, deterministic)
 }
-func (dst *Schema_NestedBlock) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Schema_NestedBlock.Merge(dst, src)
+func (m *Schema_NestedBlock) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Schema_NestedBlock.Merge(m, src)
 }
 func (m *Schema_NestedBlock) XXX_Size() int {
 	return xxx_messageInfo_Schema_NestedBlock.Size(m)
@@ -815,16 +830,17 @@ func (m *GetProviderSchema) Reset()         { *m = GetProviderSchema{} }
 func (m *GetProviderSchema) String() string { return proto.CompactTextString(m) }
 func (*GetProviderSchema) ProtoMessage()    {}
 func (*GetProviderSchema) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{6}
+	return fileDescriptor_17ae6090ff270234, []int{6}
 }
+
 func (m *GetProviderSchema) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProviderSchema.Unmarshal(m, b)
 }
 func (m *GetProviderSchema) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProviderSchema.Marshal(b, m, deterministic)
 }
-func (dst *GetProviderSchema) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProviderSchema.Merge(dst, src)
+func (m *GetProviderSchema) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProviderSchema.Merge(m, src)
 }
 func (m *GetProviderSchema) XXX_Size() int {
 	return xxx_messageInfo_GetProviderSchema.Size(m)
@@ -845,16 +861,17 @@ func (m *GetProviderSchema_Request) Reset()         { *m = GetProviderSchema_Req
 func (m *GetProviderSchema_Request) String() string { return proto.CompactTextString(m) }
 func (*GetProviderSchema_Request) ProtoMessage()    {}
 func (*GetProviderSchema_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{6, 0}
+	return fileDescriptor_17ae6090ff270234, []int{6, 0}
 }
+
 func (m *GetProviderSchema_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProviderSchema_Request.Unmarshal(m, b)
 }
 func (m *GetProviderSchema_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProviderSchema_Request.Marshal(b, m, deterministic)
 }
-func (dst *GetProviderSchema_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProviderSchema_Request.Merge(dst, src)
+func (m *GetProviderSchema_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProviderSchema_Request.Merge(m, src)
 }
 func (m *GetProviderSchema_Request) XXX_Size() int {
 	return xxx_messageInfo_GetProviderSchema_Request.Size(m)
@@ -879,16 +896,17 @@ func (m *GetProviderSchema_Response) Reset()         { *m = GetProviderSchema_Re
 func (m *GetProviderSchema_Response) String() string { return proto.CompactTextString(m) }
 func (*GetProviderSchema_Response) ProtoMessage()    {}
 func (*GetProviderSchema_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{6, 1}
+	return fileDescriptor_17ae6090ff270234, []int{6, 1}
 }
+
 func (m *GetProviderSchema_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProviderSchema_Response.Unmarshal(m, b)
 }
 func (m *GetProviderSchema_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProviderSchema_Response.Marshal(b, m, deterministic)
 }
-func (dst *GetProviderSchema_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProviderSchema_Response.Merge(dst, src)
+func (m *GetProviderSchema_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProviderSchema_Response.Merge(m, src)
 }
 func (m *GetProviderSchema_Response) XXX_Size() int {
 	return xxx_messageInfo_GetProviderSchema_Response.Size(m)
@@ -937,16 +955,17 @@ func (m *PrepareProviderConfig) Reset()         { *m = PrepareProviderConfig{} }
 func (m *PrepareProviderConfig) String() string { return proto.CompactTextString(m) }
 func (*PrepareProviderConfig) ProtoMessage()    {}
 func (*PrepareProviderConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{7}
+	return fileDescriptor_17ae6090ff270234, []int{7}
 }
+
 func (m *PrepareProviderConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PrepareProviderConfig.Unmarshal(m, b)
 }
 func (m *PrepareProviderConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PrepareProviderConfig.Marshal(b, m, deterministic)
 }
-func (dst *PrepareProviderConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PrepareProviderConfig.Merge(dst, src)
+func (m *PrepareProviderConfig) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PrepareProviderConfig.Merge(m, src)
 }
 func (m *PrepareProviderConfig) XXX_Size() int {
 	return xxx_messageInfo_PrepareProviderConfig.Size(m)
@@ -968,16 +987,17 @@ func (m *PrepareProviderConfig_Request) Reset()         { *m = PrepareProviderCo
 func (m *PrepareProviderConfig_Request) String() string { return proto.CompactTextString(m) }
 func (*PrepareProviderConfig_Request) ProtoMessage()    {}
 func (*PrepareProviderConfig_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{7, 0}
+	return fileDescriptor_17ae6090ff270234, []int{7, 0}
 }
+
 func (m *PrepareProviderConfig_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PrepareProviderConfig_Request.Unmarshal(m, b)
 }
 func (m *PrepareProviderConfig_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PrepareProviderConfig_Request.Marshal(b, m, deterministic)
 }
-func (dst *PrepareProviderConfig_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PrepareProviderConfig_Request.Merge(dst, src)
+func (m *PrepareProviderConfig_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PrepareProviderConfig_Request.Merge(m, src)
 }
 func (m *PrepareProviderConfig_Request) XXX_Size() int {
 	return xxx_messageInfo_PrepareProviderConfig_Request.Size(m)
@@ -1007,16 +1027,17 @@ func (m *PrepareProviderConfig_Response) Reset()         { *m = PrepareProviderC
 func (m *PrepareProviderConfig_Response) String() string { return proto.CompactTextString(m) }
 func (*PrepareProviderConfig_Response) ProtoMessage()    {}
 func (*PrepareProviderConfig_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{7, 1}
+	return fileDescriptor_17ae6090ff270234, []int{7, 1}
 }
+
 func (m *PrepareProviderConfig_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PrepareProviderConfig_Response.Unmarshal(m, b)
 }
 func (m *PrepareProviderConfig_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PrepareProviderConfig_Response.Marshal(b, m, deterministic)
 }
-func (dst *PrepareProviderConfig_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PrepareProviderConfig_Response.Merge(dst, src)
+func (m *PrepareProviderConfig_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PrepareProviderConfig_Response.Merge(m, src)
 }
 func (m *PrepareProviderConfig_Response) XXX_Size() int {
 	return xxx_messageInfo_PrepareProviderConfig_Response.Size(m)
@@ -1051,16 +1072,17 @@ func (m *UpgradeResourceState) Reset()         { *m = UpgradeResourceState{} }
 func (m *UpgradeResourceState) String() string { return proto.CompactTextString(m) }
 func (*UpgradeResourceState) ProtoMessage()    {}
 func (*UpgradeResourceState) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{8}
+	return fileDescriptor_17ae6090ff270234, []int{8}
 }
+
 func (m *UpgradeResourceState) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UpgradeResourceState.Unmarshal(m, b)
 }
 func (m *UpgradeResourceState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UpgradeResourceState.Marshal(b, m, deterministic)
 }
-func (dst *UpgradeResourceState) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UpgradeResourceState.Merge(dst, src)
+func (m *UpgradeResourceState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UpgradeResourceState.Merge(m, src)
 }
 func (m *UpgradeResourceState) XXX_Size() int {
 	return xxx_messageInfo_UpgradeResourceState.Size(m)
@@ -1090,16 +1112,17 @@ func (m *UpgradeResourceState_Request) Reset()         { *m = UpgradeResourceSta
 func (m *UpgradeResourceState_Request) String() string { return proto.CompactTextString(m) }
 func (*UpgradeResourceState_Request) ProtoMessage()    {}
 func (*UpgradeResourceState_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{8, 0}
+	return fileDescriptor_17ae6090ff270234, []int{8, 0}
 }
+
 func (m *UpgradeResourceState_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UpgradeResourceState_Request.Unmarshal(m, b)
 }
 func (m *UpgradeResourceState_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UpgradeResourceState_Request.Marshal(b, m, deterministic)
 }
-func (dst *UpgradeResourceState_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UpgradeResourceState_Request.Merge(dst, src)
+func (m *UpgradeResourceState_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UpgradeResourceState_Request.Merge(m, src)
 }
 func (m *UpgradeResourceState_Request) XXX_Size() int {
 	return xxx_messageInfo_UpgradeResourceState_Request.Size(m)
@@ -1149,16 +1172,17 @@ func (m *UpgradeResourceState_Response) Reset()         { *m = UpgradeResourceSt
 func (m *UpgradeResourceState_Response) String() string { return proto.CompactTextString(m) }
 func (*UpgradeResourceState_Response) ProtoMessage()    {}
 func (*UpgradeResourceState_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{8, 1}
+	return fileDescriptor_17ae6090ff270234, []int{8, 1}
 }
+
 func (m *UpgradeResourceState_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UpgradeResourceState_Response.Unmarshal(m, b)
 }
 func (m *UpgradeResourceState_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UpgradeResourceState_Response.Marshal(b, m, deterministic)
 }
-func (dst *UpgradeResourceState_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UpgradeResourceState_Response.Merge(dst, src)
+func (m *UpgradeResourceState_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UpgradeResourceState_Response.Merge(m, src)
 }
 func (m *UpgradeResourceState_Response) XXX_Size() int {
 	return xxx_messageInfo_UpgradeResourceState_Response.Size(m)
@@ -1193,16 +1217,17 @@ func (m *ValidateResourceTypeConfig) Reset()         { *m = ValidateResourceType
 func (m *ValidateResourceTypeConfig) String() string { return proto.CompactTextString(m) }
 func (*ValidateResourceTypeConfig) ProtoMessage()    {}
 func (*ValidateResourceTypeConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{9}
+	return fileDescriptor_17ae6090ff270234, []int{9}
 }
+
 func (m *ValidateResourceTypeConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateResourceTypeConfig.Unmarshal(m, b)
 }
 func (m *ValidateResourceTypeConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateResourceTypeConfig.Marshal(b, m, deterministic)
 }
-func (dst *ValidateResourceTypeConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateResourceTypeConfig.Merge(dst, src)
+func (m *ValidateResourceTypeConfig) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateResourceTypeConfig.Merge(m, src)
 }
 func (m *ValidateResourceTypeConfig) XXX_Size() int {
 	return xxx_messageInfo_ValidateResourceTypeConfig.Size(m)
@@ -1225,16 +1250,17 @@ func (m *ValidateResourceTypeConfig_Request) Reset()         { *m = ValidateReso
 func (m *ValidateResourceTypeConfig_Request) String() string { return proto.CompactTextString(m) }
 func (*ValidateResourceTypeConfig_Request) ProtoMessage()    {}
 func (*ValidateResourceTypeConfig_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{9, 0}
+	return fileDescriptor_17ae6090ff270234, []int{9, 0}
 }
+
 func (m *ValidateResourceTypeConfig_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Request.Unmarshal(m, b)
 }
 func (m *ValidateResourceTypeConfig_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Request.Marshal(b, m, deterministic)
 }
-func (dst *ValidateResourceTypeConfig_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateResourceTypeConfig_Request.Merge(dst, src)
+func (m *ValidateResourceTypeConfig_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateResourceTypeConfig_Request.Merge(m, src)
 }
 func (m *ValidateResourceTypeConfig_Request) XXX_Size() int {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Request.Size(m)
@@ -1270,16 +1296,17 @@ func (m *ValidateResourceTypeConfig_Response) Reset()         { *m = ValidateRes
 func (m *ValidateResourceTypeConfig_Response) String() string { return proto.CompactTextString(m) }
 func (*ValidateResourceTypeConfig_Response) ProtoMessage()    {}
 func (*ValidateResourceTypeConfig_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{9, 1}
+	return fileDescriptor_17ae6090ff270234, []int{9, 1}
 }
+
 func (m *ValidateResourceTypeConfig_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Response.Unmarshal(m, b)
 }
 func (m *ValidateResourceTypeConfig_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Response.Marshal(b, m, deterministic)
 }
-func (dst *ValidateResourceTypeConfig_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateResourceTypeConfig_Response.Merge(dst, src)
+func (m *ValidateResourceTypeConfig_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateResourceTypeConfig_Response.Merge(m, src)
 }
 func (m *ValidateResourceTypeConfig_Response) XXX_Size() int {
 	return xxx_messageInfo_ValidateResourceTypeConfig_Response.Size(m)
@@ -1307,16 +1334,17 @@ func (m *ValidateDataSourceConfig) Reset()         { *m = ValidateDataSourceConf
 func (m *ValidateDataSourceConfig) String() string { return proto.CompactTextString(m) }
 func (*ValidateDataSourceConfig) ProtoMessage()    {}
 func (*ValidateDataSourceConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{10}
+	return fileDescriptor_17ae6090ff270234, []int{10}
 }
+
 func (m *ValidateDataSourceConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateDataSourceConfig.Unmarshal(m, b)
 }
 func (m *ValidateDataSourceConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateDataSourceConfig.Marshal(b, m, deterministic)
 }
-func (dst *ValidateDataSourceConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateDataSourceConfig.Merge(dst, src)
+func (m *ValidateDataSourceConfig) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateDataSourceConfig.Merge(m, src)
 }
 func (m *ValidateDataSourceConfig) XXX_Size() int {
 	return xxx_messageInfo_ValidateDataSourceConfig.Size(m)
@@ -1339,16 +1367,17 @@ func (m *ValidateDataSourceConfig_Request) Reset()         { *m = ValidateDataSo
 func (m *ValidateDataSourceConfig_Request) String() string { return proto.CompactTextString(m) }
 func (*ValidateDataSourceConfig_Request) ProtoMessage()    {}
 func (*ValidateDataSourceConfig_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{10, 0}
+	return fileDescriptor_17ae6090ff270234, []int{10, 0}
 }
+
 func (m *ValidateDataSourceConfig_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateDataSourceConfig_Request.Unmarshal(m, b)
 }
 func (m *ValidateDataSourceConfig_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateDataSourceConfig_Request.Marshal(b, m, deterministic)
 }
-func (dst *ValidateDataSourceConfig_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateDataSourceConfig_Request.Merge(dst, src)
+func (m *ValidateDataSourceConfig_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateDataSourceConfig_Request.Merge(m, src)
 }
 func (m *ValidateDataSourceConfig_Request) XXX_Size() int {
 	return xxx_messageInfo_ValidateDataSourceConfig_Request.Size(m)
@@ -1384,16 +1413,17 @@ func (m *ValidateDataSourceConfig_Response) Reset()         { *m = ValidateDataS
 func (m *ValidateDataSourceConfig_Response) String() string { return proto.CompactTextString(m) }
 func (*ValidateDataSourceConfig_Response) ProtoMessage()    {}
 func (*ValidateDataSourceConfig_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{10, 1}
+	return fileDescriptor_17ae6090ff270234, []int{10, 1}
 }
+
 func (m *ValidateDataSourceConfig_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateDataSourceConfig_Response.Unmarshal(m, b)
 }
 func (m *ValidateDataSourceConfig_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateDataSourceConfig_Response.Marshal(b, m, deterministic)
 }
-func (dst *ValidateDataSourceConfig_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateDataSourceConfig_Response.Merge(dst, src)
+func (m *ValidateDataSourceConfig_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateDataSourceConfig_Response.Merge(m, src)
 }
 func (m *ValidateDataSourceConfig_Response) XXX_Size() int {
 	return xxx_messageInfo_ValidateDataSourceConfig_Response.Size(m)
@@ -1421,16 +1451,17 @@ func (m *Configure) Reset()         { *m = Configure{} }
 func (m *Configure) String() string { return proto.CompactTextString(m) }
 func (*Configure) ProtoMessage()    {}
 func (*Configure) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{11}
+	return fileDescriptor_17ae6090ff270234, []int{11}
 }
+
 func (m *Configure) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Configure.Unmarshal(m, b)
 }
 func (m *Configure) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Configure.Marshal(b, m, deterministic)
 }
-func (dst *Configure) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Configure.Merge(dst, src)
+func (m *Configure) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Configure.Merge(m, src)
 }
 func (m *Configure) XXX_Size() int {
 	return xxx_messageInfo_Configure.Size(m)
@@ -1453,16 +1484,17 @@ func (m *Configure_Request) Reset()         { *m = Configure_Request{} }
 func (m *Configure_Request) String() string { return proto.CompactTextString(m) }
 func (*Configure_Request) ProtoMessage()    {}
 func (*Configure_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{11, 0}
+	return fileDescriptor_17ae6090ff270234, []int{11, 0}
 }
+
 func (m *Configure_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Configure_Request.Unmarshal(m, b)
 }
 func (m *Configure_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Configure_Request.Marshal(b, m, deterministic)
 }
-func (dst *Configure_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Configure_Request.Merge(dst, src)
+func (m *Configure_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Configure_Request.Merge(m, src)
 }
 func (m *Configure_Request) XXX_Size() int {
 	return xxx_messageInfo_Configure_Request.Size(m)
@@ -1498,16 +1530,17 @@ func (m *Configure_Response) Reset()         { *m = Configure_Response{} }
 func (m *Configure_Response) String() string { return proto.CompactTextString(m) }
 func (*Configure_Response) ProtoMessage()    {}
 func (*Configure_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{11, 1}
+	return fileDescriptor_17ae6090ff270234, []int{11, 1}
 }
+
 func (m *Configure_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Configure_Response.Unmarshal(m, b)
 }
 func (m *Configure_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Configure_Response.Marshal(b, m, deterministic)
 }
-func (dst *Configure_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Configure_Response.Merge(dst, src)
+func (m *Configure_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Configure_Response.Merge(m, src)
 }
 func (m *Configure_Response) XXX_Size() int {
 	return xxx_messageInfo_Configure_Response.Size(m)
@@ -1535,16 +1568,17 @@ func (m *ReadResource) Reset()         { *m = ReadResource{} }
 func (m *ReadResource) String() string { return proto.CompactTextString(m) }
 func (*ReadResource) ProtoMessage()    {}
 func (*ReadResource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{12}
+	return fileDescriptor_17ae6090ff270234, []int{12}
 }
+
 func (m *ReadResource) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadResource.Unmarshal(m, b)
 }
 func (m *ReadResource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadResource.Marshal(b, m, deterministic)
 }
-func (dst *ReadResource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadResource.Merge(dst, src)
+func (m *ReadResource) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadResource.Merge(m, src)
 }
 func (m *ReadResource) XXX_Size() int {
 	return xxx_messageInfo_ReadResource.Size(m)
@@ -1558,6 +1592,7 @@ var xxx_messageInfo_ReadResource proto.InternalMessageInfo
 type ReadResource_Request struct {
 	TypeName             string        `protobuf:"bytes,1,opt,name=type_name,json=typeName,proto3" json:"type_name,omitempty"`
 	CurrentState         *DynamicValue `protobuf:"bytes,2,opt,name=current_state,json=currentState,proto3" json:"current_state,omitempty"`
+	Private              []byte        `protobuf:"bytes,3,opt,name=private,proto3" json:"private,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
 	XXX_unrecognized     []byte        `json:"-"`
 	XXX_sizecache        int32         `json:"-"`
@@ -1567,16 +1602,17 @@ func (m *ReadResource_Request) Reset()         { *m = ReadResource_Request{} }
 func (m *ReadResource_Request) String() string { return proto.CompactTextString(m) }
 func (*ReadResource_Request) ProtoMessage()    {}
 func (*ReadResource_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{12, 0}
+	return fileDescriptor_17ae6090ff270234, []int{12, 0}
 }
+
 func (m *ReadResource_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadResource_Request.Unmarshal(m, b)
 }
 func (m *ReadResource_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadResource_Request.Marshal(b, m, deterministic)
 }
-func (dst *ReadResource_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadResource_Request.Merge(dst, src)
+func (m *ReadResource_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadResource_Request.Merge(m, src)
 }
 func (m *ReadResource_Request) XXX_Size() int {
 	return xxx_messageInfo_ReadResource_Request.Size(m)
@@ -1601,9 +1637,17 @@ func (m *ReadResource_Request) GetCurrentState() *DynamicValue {
 	return nil
 }
 
+func (m *ReadResource_Request) GetPrivate() []byte {
+	if m != nil {
+		return m.Private
+	}
+	return nil
+}
+
 type ReadResource_Response struct {
 	NewState             *DynamicValue `protobuf:"bytes,1,opt,name=new_state,json=newState,proto3" json:"new_state,omitempty"`
 	Diagnostics          []*Diagnostic `protobuf:"bytes,2,rep,name=diagnostics,proto3" json:"diagnostics,omitempty"`
+	Private              []byte        `protobuf:"bytes,3,opt,name=private,proto3" json:"private,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
 	XXX_unrecognized     []byte        `json:"-"`
 	XXX_sizecache        int32         `json:"-"`
@@ -1613,16 +1657,17 @@ func (m *ReadResource_Response) Reset()         { *m = ReadResource_Response{} }
 func (m *ReadResource_Response) String() string { return proto.CompactTextString(m) }
 func (*ReadResource_Response) ProtoMessage()    {}
 func (*ReadResource_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{12, 1}
+	return fileDescriptor_17ae6090ff270234, []int{12, 1}
 }
+
 func (m *ReadResource_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadResource_Response.Unmarshal(m, b)
 }
 func (m *ReadResource_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadResource_Response.Marshal(b, m, deterministic)
 }
-func (dst *ReadResource_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadResource_Response.Merge(dst, src)
+func (m *ReadResource_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadResource_Response.Merge(m, src)
 }
 func (m *ReadResource_Response) XXX_Size() int {
 	return xxx_messageInfo_ReadResource_Response.Size(m)
@@ -1647,6 +1692,13 @@ func (m *ReadResource_Response) GetDiagnostics() []*Diagnostic {
 	return nil
 }
 
+func (m *ReadResource_Response) GetPrivate() []byte {
+	if m != nil {
+		return m.Private
+	}
+	return nil
+}
+
 type PlanResourceChange struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -1657,16 +1709,17 @@ func (m *PlanResourceChange) Reset()         { *m = PlanResourceChange{} }
 func (m *PlanResourceChange) String() string { return proto.CompactTextString(m) }
 func (*PlanResourceChange) ProtoMessage()    {}
 func (*PlanResourceChange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{13}
+	return fileDescriptor_17ae6090ff270234, []int{13}
 }
+
 func (m *PlanResourceChange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PlanResourceChange.Unmarshal(m, b)
 }
 func (m *PlanResourceChange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PlanResourceChange.Marshal(b, m, deterministic)
 }
-func (dst *PlanResourceChange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PlanResourceChange.Merge(dst, src)
+func (m *PlanResourceChange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PlanResourceChange.Merge(m, src)
 }
 func (m *PlanResourceChange) XXX_Size() int {
 	return xxx_messageInfo_PlanResourceChange.Size(m)
@@ -1692,16 +1745,17 @@ func (m *PlanResourceChange_Request) Reset()         { *m = PlanResourceChange_R
 func (m *PlanResourceChange_Request) String() string { return proto.CompactTextString(m) }
 func (*PlanResourceChange_Request) ProtoMessage()    {}
 func (*PlanResourceChange_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{13, 0}
+	return fileDescriptor_17ae6090ff270234, []int{13, 0}
 }
+
 func (m *PlanResourceChange_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PlanResourceChange_Request.Unmarshal(m, b)
 }
 func (m *PlanResourceChange_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PlanResourceChange_Request.Marshal(b, m, deterministic)
 }
-func (dst *PlanResourceChange_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PlanResourceChange_Request.Merge(dst, src)
+func (m *PlanResourceChange_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PlanResourceChange_Request.Merge(m, src)
 }
 func (m *PlanResourceChange_Request) XXX_Size() int {
 	return xxx_messageInfo_PlanResourceChange_Request.Size(m)
@@ -1773,16 +1827,17 @@ func (m *PlanResourceChange_Response) Reset()         { *m = PlanResourceChange_
 func (m *PlanResourceChange_Response) String() string { return proto.CompactTextString(m) }
 func (*PlanResourceChange_Response) ProtoMessage()    {}
 func (*PlanResourceChange_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{13, 1}
+	return fileDescriptor_17ae6090ff270234, []int{13, 1}
 }
+
 func (m *PlanResourceChange_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PlanResourceChange_Response.Unmarshal(m, b)
 }
 func (m *PlanResourceChange_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_PlanResourceChange_Response.Marshal(b, m, deterministic)
 }
-func (dst *PlanResourceChange_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PlanResourceChange_Response.Merge(dst, src)
+func (m *PlanResourceChange_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PlanResourceChange_Response.Merge(m, src)
 }
 func (m *PlanResourceChange_Response) XXX_Size() int {
 	return xxx_messageInfo_PlanResourceChange_Response.Size(m)
@@ -1838,16 +1893,17 @@ func (m *ApplyResourceChange) Reset()         { *m = ApplyResourceChange{} }
 func (m *ApplyResourceChange) String() string { return proto.CompactTextString(m) }
 func (*ApplyResourceChange) ProtoMessage()    {}
 func (*ApplyResourceChange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{14}
+	return fileDescriptor_17ae6090ff270234, []int{14}
 }
+
 func (m *ApplyResourceChange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ApplyResourceChange.Unmarshal(m, b)
 }
 func (m *ApplyResourceChange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ApplyResourceChange.Marshal(b, m, deterministic)
 }
-func (dst *ApplyResourceChange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApplyResourceChange.Merge(dst, src)
+func (m *ApplyResourceChange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ApplyResourceChange.Merge(m, src)
 }
 func (m *ApplyResourceChange) XXX_Size() int {
 	return xxx_messageInfo_ApplyResourceChange.Size(m)
@@ -1873,16 +1929,17 @@ func (m *ApplyResourceChange_Request) Reset()         { *m = ApplyResourceChange
 func (m *ApplyResourceChange_Request) String() string { return proto.CompactTextString(m) }
 func (*ApplyResourceChange_Request) ProtoMessage()    {}
 func (*ApplyResourceChange_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{14, 0}
+	return fileDescriptor_17ae6090ff270234, []int{14, 0}
 }
+
 func (m *ApplyResourceChange_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ApplyResourceChange_Request.Unmarshal(m, b)
 }
 func (m *ApplyResourceChange_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ApplyResourceChange_Request.Marshal(b, m, deterministic)
 }
-func (dst *ApplyResourceChange_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApplyResourceChange_Request.Merge(dst, src)
+func (m *ApplyResourceChange_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ApplyResourceChange_Request.Merge(m, src)
 }
 func (m *ApplyResourceChange_Request) XXX_Size() int {
 	return xxx_messageInfo_ApplyResourceChange_Request.Size(m)
@@ -1953,16 +2010,17 @@ func (m *ApplyResourceChange_Response) Reset()         { *m = ApplyResourceChang
 func (m *ApplyResourceChange_Response) String() string { return proto.CompactTextString(m) }
 func (*ApplyResourceChange_Response) ProtoMessage()    {}
 func (*ApplyResourceChange_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{14, 1}
+	return fileDescriptor_17ae6090ff270234, []int{14, 1}
 }
+
 func (m *ApplyResourceChange_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ApplyResourceChange_Response.Unmarshal(m, b)
 }
 func (m *ApplyResourceChange_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ApplyResourceChange_Response.Marshal(b, m, deterministic)
 }
-func (dst *ApplyResourceChange_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApplyResourceChange_Response.Merge(dst, src)
+func (m *ApplyResourceChange_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ApplyResourceChange_Response.Merge(m, src)
 }
 func (m *ApplyResourceChange_Response) XXX_Size() int {
 	return xxx_messageInfo_ApplyResourceChange_Response.Size(m)
@@ -2011,16 +2069,17 @@ func (m *ImportResourceState) Reset()         { *m = ImportResourceState{} }
 func (m *ImportResourceState) String() string { return proto.CompactTextString(m) }
 func (*ImportResourceState) ProtoMessage()    {}
 func (*ImportResourceState) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{15}
+	return fileDescriptor_17ae6090ff270234, []int{15}
 }
+
 func (m *ImportResourceState) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ImportResourceState.Unmarshal(m, b)
 }
 func (m *ImportResourceState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ImportResourceState.Marshal(b, m, deterministic)
 }
-func (dst *ImportResourceState) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ImportResourceState.Merge(dst, src)
+func (m *ImportResourceState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ImportResourceState.Merge(m, src)
 }
 func (m *ImportResourceState) XXX_Size() int {
 	return xxx_messageInfo_ImportResourceState.Size(m)
@@ -2043,16 +2102,17 @@ func (m *ImportResourceState_Request) Reset()         { *m = ImportResourceState
 func (m *ImportResourceState_Request) String() string { return proto.CompactTextString(m) }
 func (*ImportResourceState_Request) ProtoMessage()    {}
 func (*ImportResourceState_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{15, 0}
+	return fileDescriptor_17ae6090ff270234, []int{15, 0}
 }
+
 func (m *ImportResourceState_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ImportResourceState_Request.Unmarshal(m, b)
 }
 func (m *ImportResourceState_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ImportResourceState_Request.Marshal(b, m, deterministic)
 }
-func (dst *ImportResourceState_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ImportResourceState_Request.Merge(dst, src)
+func (m *ImportResourceState_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ImportResourceState_Request.Merge(m, src)
 }
 func (m *ImportResourceState_Request) XXX_Size() int {
 	return xxx_messageInfo_ImportResourceState_Request.Size(m)
@@ -2090,16 +2150,17 @@ func (m *ImportResourceState_ImportedResource) Reset()         { *m = ImportReso
 func (m *ImportResourceState_ImportedResource) String() string { return proto.CompactTextString(m) }
 func (*ImportResourceState_ImportedResource) ProtoMessage()    {}
 func (*ImportResourceState_ImportedResource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{15, 1}
+	return fileDescriptor_17ae6090ff270234, []int{15, 1}
 }
+
 func (m *ImportResourceState_ImportedResource) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ImportResourceState_ImportedResource.Unmarshal(m, b)
 }
 func (m *ImportResourceState_ImportedResource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ImportResourceState_ImportedResource.Marshal(b, m, deterministic)
 }
-func (dst *ImportResourceState_ImportedResource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ImportResourceState_ImportedResource.Merge(dst, src)
+func (m *ImportResourceState_ImportedResource) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ImportResourceState_ImportedResource.Merge(m, src)
 }
 func (m *ImportResourceState_ImportedResource) XXX_Size() int {
 	return xxx_messageInfo_ImportResourceState_ImportedResource.Size(m)
@@ -2143,16 +2204,17 @@ func (m *ImportResourceState_Response) Reset()         { *m = ImportResourceStat
 func (m *ImportResourceState_Response) String() string { return proto.CompactTextString(m) }
 func (*ImportResourceState_Response) ProtoMessage()    {}
 func (*ImportResourceState_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{15, 2}
+	return fileDescriptor_17ae6090ff270234, []int{15, 2}
 }
+
 func (m *ImportResourceState_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ImportResourceState_Response.Unmarshal(m, b)
 }
 func (m *ImportResourceState_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ImportResourceState_Response.Marshal(b, m, deterministic)
 }
-func (dst *ImportResourceState_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ImportResourceState_Response.Merge(dst, src)
+func (m *ImportResourceState_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ImportResourceState_Response.Merge(m, src)
 }
 func (m *ImportResourceState_Response) XXX_Size() int {
 	return xxx_messageInfo_ImportResourceState_Response.Size(m)
@@ -2187,16 +2249,17 @@ func (m *ReadDataSource) Reset()         { *m = ReadDataSource{} }
 func (m *ReadDataSource) String() string { return proto.CompactTextString(m) }
 func (*ReadDataSource) ProtoMessage()    {}
 func (*ReadDataSource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{16}
+	return fileDescriptor_17ae6090ff270234, []int{16}
 }
+
 func (m *ReadDataSource) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadDataSource.Unmarshal(m, b)
 }
 func (m *ReadDataSource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadDataSource.Marshal(b, m, deterministic)
 }
-func (dst *ReadDataSource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadDataSource.Merge(dst, src)
+func (m *ReadDataSource) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadDataSource.Merge(m, src)
 }
 func (m *ReadDataSource) XXX_Size() int {
 	return xxx_messageInfo_ReadDataSource.Size(m)
@@ -2219,16 +2282,17 @@ func (m *ReadDataSource_Request) Reset()         { *m = ReadDataSource_Request{}
 func (m *ReadDataSource_Request) String() string { return proto.CompactTextString(m) }
 func (*ReadDataSource_Request) ProtoMessage()    {}
 func (*ReadDataSource_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{16, 0}
+	return fileDescriptor_17ae6090ff270234, []int{16, 0}
 }
+
 func (m *ReadDataSource_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadDataSource_Request.Unmarshal(m, b)
 }
 func (m *ReadDataSource_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadDataSource_Request.Marshal(b, m, deterministic)
 }
-func (dst *ReadDataSource_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadDataSource_Request.Merge(dst, src)
+func (m *ReadDataSource_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadDataSource_Request.Merge(m, src)
 }
 func (m *ReadDataSource_Request) XXX_Size() int {
 	return xxx_messageInfo_ReadDataSource_Request.Size(m)
@@ -2265,16 +2329,17 @@ func (m *ReadDataSource_Response) Reset()         { *m = ReadDataSource_Response
 func (m *ReadDataSource_Response) String() string { return proto.CompactTextString(m) }
 func (*ReadDataSource_Response) ProtoMessage()    {}
 func (*ReadDataSource_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{16, 1}
+	return fileDescriptor_17ae6090ff270234, []int{16, 1}
 }
+
 func (m *ReadDataSource_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ReadDataSource_Response.Unmarshal(m, b)
 }
 func (m *ReadDataSource_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ReadDataSource_Response.Marshal(b, m, deterministic)
 }
-func (dst *ReadDataSource_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReadDataSource_Response.Merge(dst, src)
+func (m *ReadDataSource_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadDataSource_Response.Merge(m, src)
 }
 func (m *ReadDataSource_Response) XXX_Size() int {
 	return xxx_messageInfo_ReadDataSource_Response.Size(m)
@@ -2309,16 +2374,17 @@ func (m *GetProvisionerSchema) Reset()         { *m = GetProvisionerSchema{} }
 func (m *GetProvisionerSchema) String() string { return proto.CompactTextString(m) }
 func (*GetProvisionerSchema) ProtoMessage()    {}
 func (*GetProvisionerSchema) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{17}
+	return fileDescriptor_17ae6090ff270234, []int{17}
 }
+
 func (m *GetProvisionerSchema) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProvisionerSchema.Unmarshal(m, b)
 }
 func (m *GetProvisionerSchema) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProvisionerSchema.Marshal(b, m, deterministic)
 }
-func (dst *GetProvisionerSchema) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProvisionerSchema.Merge(dst, src)
+func (m *GetProvisionerSchema) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProvisionerSchema.Merge(m, src)
 }
 func (m *GetProvisionerSchema) XXX_Size() int {
 	return xxx_messageInfo_GetProvisionerSchema.Size(m)
@@ -2339,16 +2405,17 @@ func (m *GetProvisionerSchema_Request) Reset()         { *m = GetProvisionerSche
 func (m *GetProvisionerSchema_Request) String() string { return proto.CompactTextString(m) }
 func (*GetProvisionerSchema_Request) ProtoMessage()    {}
 func (*GetProvisionerSchema_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{17, 0}
+	return fileDescriptor_17ae6090ff270234, []int{17, 0}
 }
+
 func (m *GetProvisionerSchema_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProvisionerSchema_Request.Unmarshal(m, b)
 }
 func (m *GetProvisionerSchema_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProvisionerSchema_Request.Marshal(b, m, deterministic)
 }
-func (dst *GetProvisionerSchema_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProvisionerSchema_Request.Merge(dst, src)
+func (m *GetProvisionerSchema_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProvisionerSchema_Request.Merge(m, src)
 }
 func (m *GetProvisionerSchema_Request) XXX_Size() int {
 	return xxx_messageInfo_GetProvisionerSchema_Request.Size(m)
@@ -2371,16 +2438,17 @@ func (m *GetProvisionerSchema_Response) Reset()         { *m = GetProvisionerSch
 func (m *GetProvisionerSchema_Response) String() string { return proto.CompactTextString(m) }
 func (*GetProvisionerSchema_Response) ProtoMessage()    {}
 func (*GetProvisionerSchema_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{17, 1}
+	return fileDescriptor_17ae6090ff270234, []int{17, 1}
 }
+
 func (m *GetProvisionerSchema_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetProvisionerSchema_Response.Unmarshal(m, b)
 }
 func (m *GetProvisionerSchema_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GetProvisionerSchema_Response.Marshal(b, m, deterministic)
 }
-func (dst *GetProvisionerSchema_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GetProvisionerSchema_Response.Merge(dst, src)
+func (m *GetProvisionerSchema_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetProvisionerSchema_Response.Merge(m, src)
 }
 func (m *GetProvisionerSchema_Response) XXX_Size() int {
 	return xxx_messageInfo_GetProvisionerSchema_Response.Size(m)
@@ -2415,16 +2483,17 @@ func (m *ValidateProvisionerConfig) Reset()         { *m = ValidateProvisionerCo
 func (m *ValidateProvisionerConfig) String() string { return proto.CompactTextString(m) }
 func (*ValidateProvisionerConfig) ProtoMessage()    {}
 func (*ValidateProvisionerConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{18}
+	return fileDescriptor_17ae6090ff270234, []int{18}
 }
+
 func (m *ValidateProvisionerConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateProvisionerConfig.Unmarshal(m, b)
 }
 func (m *ValidateProvisionerConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateProvisionerConfig.Marshal(b, m, deterministic)
 }
-func (dst *ValidateProvisionerConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateProvisionerConfig.Merge(dst, src)
+func (m *ValidateProvisionerConfig) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateProvisionerConfig.Merge(m, src)
 }
 func (m *ValidateProvisionerConfig) XXX_Size() int {
 	return xxx_messageInfo_ValidateProvisionerConfig.Size(m)
@@ -2446,16 +2515,17 @@ func (m *ValidateProvisionerConfig_Request) Reset()         { *m = ValidateProvi
 func (m *ValidateProvisionerConfig_Request) String() string { return proto.CompactTextString(m) }
 func (*ValidateProvisionerConfig_Request) ProtoMessage()    {}
 func (*ValidateProvisionerConfig_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{18, 0}
+	return fileDescriptor_17ae6090ff270234, []int{18, 0}
 }
+
 func (m *ValidateProvisionerConfig_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateProvisionerConfig_Request.Unmarshal(m, b)
 }
 func (m *ValidateProvisionerConfig_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateProvisionerConfig_Request.Marshal(b, m, deterministic)
 }
-func (dst *ValidateProvisionerConfig_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateProvisionerConfig_Request.Merge(dst, src)
+func (m *ValidateProvisionerConfig_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateProvisionerConfig_Request.Merge(m, src)
 }
 func (m *ValidateProvisionerConfig_Request) XXX_Size() int {
 	return xxx_messageInfo_ValidateProvisionerConfig_Request.Size(m)
@@ -2484,16 +2554,17 @@ func (m *ValidateProvisionerConfig_Response) Reset()         { *m = ValidateProv
 func (m *ValidateProvisionerConfig_Response) String() string { return proto.CompactTextString(m) }
 func (*ValidateProvisionerConfig_Response) ProtoMessage()    {}
 func (*ValidateProvisionerConfig_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{18, 1}
+	return fileDescriptor_17ae6090ff270234, []int{18, 1}
 }
+
 func (m *ValidateProvisionerConfig_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ValidateProvisionerConfig_Response.Unmarshal(m, b)
 }
 func (m *ValidateProvisionerConfig_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ValidateProvisionerConfig_Response.Marshal(b, m, deterministic)
 }
-func (dst *ValidateProvisionerConfig_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ValidateProvisionerConfig_Response.Merge(dst, src)
+func (m *ValidateProvisionerConfig_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ValidateProvisionerConfig_Response.Merge(m, src)
 }
 func (m *ValidateProvisionerConfig_Response) XXX_Size() int {
 	return xxx_messageInfo_ValidateProvisionerConfig_Response.Size(m)
@@ -2521,16 +2592,17 @@ func (m *ProvisionResource) Reset()         { *m = ProvisionResource{} }
 func (m *ProvisionResource) String() string { return proto.CompactTextString(m) }
 func (*ProvisionResource) ProtoMessage()    {}
 func (*ProvisionResource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{19}
+	return fileDescriptor_17ae6090ff270234, []int{19}
 }
+
 func (m *ProvisionResource) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ProvisionResource.Unmarshal(m, b)
 }
 func (m *ProvisionResource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ProvisionResource.Marshal(b, m, deterministic)
 }
-func (dst *ProvisionResource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProvisionResource.Merge(dst, src)
+func (m *ProvisionResource) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ProvisionResource.Merge(m, src)
 }
 func (m *ProvisionResource) XXX_Size() int {
 	return xxx_messageInfo_ProvisionResource.Size(m)
@@ -2553,16 +2625,17 @@ func (m *ProvisionResource_Request) Reset()         { *m = ProvisionResource_Req
 func (m *ProvisionResource_Request) String() string { return proto.CompactTextString(m) }
 func (*ProvisionResource_Request) ProtoMessage()    {}
 func (*ProvisionResource_Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{19, 0}
+	return fileDescriptor_17ae6090ff270234, []int{19, 0}
 }
+
 func (m *ProvisionResource_Request) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ProvisionResource_Request.Unmarshal(m, b)
 }
 func (m *ProvisionResource_Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ProvisionResource_Request.Marshal(b, m, deterministic)
 }
-func (dst *ProvisionResource_Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProvisionResource_Request.Merge(dst, src)
+func (m *ProvisionResource_Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ProvisionResource_Request.Merge(m, src)
 }
 func (m *ProvisionResource_Request) XXX_Size() int {
 	return xxx_messageInfo_ProvisionResource_Request.Size(m)
@@ -2599,16 +2672,17 @@ func (m *ProvisionResource_Response) Reset()         { *m = ProvisionResource_Re
 func (m *ProvisionResource_Response) String() string { return proto.CompactTextString(m) }
 func (*ProvisionResource_Response) ProtoMessage()    {}
 func (*ProvisionResource_Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_tfplugin5_56820f4fb67360c5, []int{19, 1}
+	return fileDescriptor_17ae6090ff270234, []int{19, 1}
 }
+
 func (m *ProvisionResource_Response) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ProvisionResource_Response.Unmarshal(m, b)
 }
 func (m *ProvisionResource_Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ProvisionResource_Response.Marshal(b, m, deterministic)
 }
-func (dst *ProvisionResource_Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProvisionResource_Response.Merge(dst, src)
+func (m *ProvisionResource_Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ProvisionResource_Response.Merge(m, src)
 }
 func (m *ProvisionResource_Response) XXX_Size() int {
 	return xxx_messageInfo_ProvisionResource_Response.Size(m)
@@ -2634,6 +2708,8 @@ func (m *ProvisionResource_Response) GetDiagnostics() []*Diagnostic {
 }
 
 func init() {
+	proto.RegisterEnum("tfplugin5.Diagnostic_Severity", Diagnostic_Severity_name, Diagnostic_Severity_value)
+	proto.RegisterEnum("tfplugin5.Schema_NestedBlock_NestingMode", Schema_NestedBlock_NestingMode_name, Schema_NestedBlock_NestingMode_value)
 	proto.RegisterType((*DynamicValue)(nil), "tfplugin5.DynamicValue")
 	proto.RegisterType((*Diagnostic)(nil), "tfplugin5.Diagnostic")
 	proto.RegisterType((*AttributePath)(nil), "tfplugin5.AttributePath")
@@ -2692,8 +2768,130 @@ func init() {
 	proto.RegisterType((*ProvisionResource)(nil), "tfplugin5.ProvisionResource")
 	proto.RegisterType((*ProvisionResource_Request)(nil), "tfplugin5.ProvisionResource.Request")
 	proto.RegisterType((*ProvisionResource_Response)(nil), "tfplugin5.ProvisionResource.Response")
-	proto.RegisterEnum("tfplugin5.Diagnostic_Severity", Diagnostic_Severity_name, Diagnostic_Severity_value)
-	proto.RegisterEnum("tfplugin5.Schema_NestedBlock_NestingMode", Schema_NestedBlock_NestingMode_name, Schema_NestedBlock_NestingMode_value)
+}
+
+func init() { proto.RegisterFile("tfplugin5.proto", fileDescriptor_17ae6090ff270234) }
+
+var fileDescriptor_17ae6090ff270234 = []byte{
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -3329,127 +3527,3 @@ var _Provisioner_serviceDesc = grpc.ServiceDesc{
 	},
 	Metadata: "tfplugin5.proto",
 }
-
-func init() { proto.RegisterFile("tfplugin5.proto", fileDescriptor_tfplugin5_56820f4fb67360c5) }
-
-var fileDescriptor_tfplugin5_56820f4fb67360c5 = []byte{
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-	0xa7, 0x43, 0x7d, 0x89, 0x6d, 0x28, 0x89, 0xa8, 0x9e, 0x1d, 0x39, 0xdf, 0xfa, 0xa3, 0x0b, 0x57,
-	0x77, 0xe2, 0x78, 0x30, 0x9e, 0xca, 0x9b, 0x7f, 0x7f, 0xfc, 0x79, 0x33, 0x13, 0x0d, 0xf7, 0x45,
-	0xa2, 0xf1, 0xc2, 0xe9, 0x92, 0xe3, 0xf9, 0x4a, 0x9e, 0xe7, 0xbd, 0xdf, 0x3b, 0x97, 0x3e, 0xc5,
-	0x4d, 0x58, 0x34, 0x36, 0xd4, 0x9b, 0xc4, 0x0c, 0xa7, 0xc3, 0xea, 0x5e, 0x32, 0xac, 0xe5, 0x39,
-	0x61, 0xfd, 0x47, 0x09, 0xae, 0x1e, 0x0c, 0xe3, 0x88, 0xf1, 0xc9, 0x5b, 0xc4, 0x5b, 0x05, 0xa3,
-	0xba, 0x02, 0xa5, 0xc0, 0xd7, 0xef, 0xcf, 0x52, 0xe0, 0x7b, 0xa7, 0xd0, 0x50, 0xea, 0x68, 0x5a,
-	0x52, 0xcf, 0x7d, 0xbd, 0x14, 0x4a, 0x08, 0x85, 0xb2, 0x1d, 0xe6, 0x4e, 0x38, 0xcc, 0xfb, 0xa5,
-	0x1d, 0x8d, 0x0f, 0x00, 0x05, 0x9a, 0x46, 0xd7, 0x5c, 0xb7, 0x4d, 0x5b, 0xb8, 0x69, 0x99, 0xc8,
-	0xd9, 0x7a, 0x7b, 0x9a, 0x3f, 0x5e, 0x0b, 0xa6, 0x66, 0x92, 0x8b, 0x57, 0xdf, 0xbf, 0x38, 0xb0,
-	0x22, 0xfa, 0x4d, 0xd6, 0xe2, 0x3f, 0xbe, 0xe6, 0xce, 0x26, 0x5e, 0x3e, 0x95, 0x42, 0xa9, 0xa9,
-	0xdd, 0x7c, 0xe1, 0xfd, 0xfd, 0xd4, 0x81, 0x6b, 0xe6, 0x99, 0x22, 0xda, 0x7a, 0xde, 0x93, 0xec,
-	0xd4, 0xe2, 0x75, 0x4b, 0x54, 0x85, 0x14, 0x3b, 0xff, 0x51, 0x66, 0xa3, 0x2e, 0xce, 0xee, 0x67,
-	0x0e, 0x7c, 0xd2, 0x5c, 0xb2, 0x2c, 0x8a, 0x1f, 0xc1, 0xb3, 0xe0, 0x23, 0xb9, 0x8c, 0xfc, 0xcd,
-	0x81, 0xb5, 0x94, 0x56, 0x7a, 0x23, 0x49, 0x2e, 0x4e, 0x0b, 0xbd, 0x0d, 0xd0, 0x8b, 0xc2, 0x90,
-	0xf6, 0xb8, 0xb9, 0xe7, 0x9f, 0x55, 0x73, 0x33, 0xa8, 0xf7, 0x2d, 0x6b, 0x3f, 0xd7, 0x61, 0x21,
-	0x1a, 0xf1, 0x78, 0xc4, 0x75, 0x4a, 0xea, 0xd1, 0x85, 0xc3, 0xb0, 0xf5, 0xe3, 0x1a, 0x54, 0xcd,
-	0x93, 0x0c, 0x7d, 0x13, 0x6a, 0xfb, 0x94, 0xeb, 0x1f, 0xab, 0x3e, 0x77, 0xce, 0x6b, 0x57, 0x25,
-	0xd0, 0xe7, 0x0b, 0xbd, 0x89, 0xd1, 0x60, 0xce, 0xfb, 0x0f, 0x6d, 0x5a, 0xeb, 0x73, 0x11, 0xa9,
-	0xa5, 0xd7, 0x0a, 0x20, 0xb5, 0xb5, 0xef, 0x9c, 0xf5, 0xf8, 0x40, 0x37, 0x2c, 0x45, 0xf3, 0x61,
-	0xa9, 0xdd, 0x76, 0x51, 0xb8, 0x36, 0x3e, 0x9a, 0xff, 0x78, 0x40, 0xaf, 0xe7, 0xe8, 0x9a, 0x06,
-	0xa5, 0x86, 0xdf, 0x28, 0x06, 0xd6, 0x66, 0x83, 0xfc, 0x37, 0x28, 0xda, 0xb0, 0xb4, 0xe4, 0x01,
-	0x52, 0x73, 0x9b, 0xe7, 0x03, 0xb5, 0xa9, 0xbb, 0xd6, 0x1b, 0x03, 0xbd, 0x62, 0x2d, 0x4b, 0x67,
-	0x53, 0xa5, 0xaf, 0xce, 0x91, 0x6a, 0x4d, 0xdf, 0x98, 0xbc, 0xf1, 0xa3, 0x4f, 0xdb, 0x6f, 0x5b,
-	0x4b, 0x90, 0xea, 0x5b, 0x9f, 0x0f, 0xd0, 0x2a, 0x7b, 0x79, 0x57, 0x6a, 0x64, 0xa7, 0xe9, 0xac,
-	0x38, 0x55, 0xff, 0x85, 0xf3, 0x60, 0xda, 0xc8, 0x71, 0xee, 0x05, 0x0c, 0xd9, 0xcb, 0x73, 0xe4,
-	0xa9, 0x99, 0x8d, 0x73, 0x71, 0x99, 0x9d, 0x9c, 0xb6, 0x38, 0x61, 0x27, 0xaf, 0x6d, 0xe6, 0xd9,
-	0xc9, 0xc7, 0x69, 0x3b, 0x8f, 0xa7, 0x3b, 0x21, 0xfa, 0xcc, 0x94, 0xa3, 0x33, 0x51, 0xaa, 0xbd,
-	0x75, 0x16, 0x44, 0x2b, 0xfe, 0xb2, 0xfa, 0x29, 0x1f, 0x4d, 0xfc, 0x12, 0xca, 0xa3, 0x38, 0x55,
-	0xd2, 0x9c, 0x15, 0xa8, 0xa5, 0x5b, 0xdf, 0x77, 0xa1, 0x6e, 0x35, 0x06, 0xf4, 0x81, 0x5d, 0x9c,
-	0x36, 0x72, 0xca, 0x8e, 0xdd, 0xe3, 0x72, 0xb3, 0x7a, 0x0e, 0x50, 0x53, 0x3d, 0x3d, 0xa3, 0x1f,
-	0xa1, 0xbc, 0xb3, 0x38, 0x83, 0x4a, 0x8d, 0xde, 0x28, 0x88, 0xd6, 0x96, 0x9f, 0xe4, 0xb4, 0x9a,
-	0x89, 0xf2, 0x3b, 0x23, 0xcd, 0x2d, 0xbf, 0x79, 0x28, 0x65, 0xe1, 0x4d, 0xe7, 0x12, 0x81, 0x78,
-	0xb2, 0x20, 0xff, 0xa3, 0xbb, 0xf5, 0xdf, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc8, 0x16, 0x0b, 0x32,
-	0xb6, 0x1b, 0x00, 0x00,
-}
diff --git a/internal/tfplugin5/tfplugin5.proto b/internal/tfplugin5/tfplugin5.proto
index 370faf74c..cf6dda34a 100644
--- a/internal/tfplugin5/tfplugin5.proto
+++ b/internal/tfplugin5/tfplugin5.proto
@@ -219,10 +219,12 @@ message ReadResource {
     message Request {
         string type_name = 1;
         DynamicValue current_state = 2;
+        bytes private = 3;
     }
     message Response {
         DynamicValue new_state = 1;
         repeated Diagnostic diagnostics = 2;
+        bytes private = 3;
     }
 }
 
diff --git a/plugin/grpc_provider.go b/plugin/grpc_provider.go
index ae9a4002d..5b190e2c1 100644
--- a/plugin/grpc_provider.go
+++ b/plugin/grpc_provider.go
@@ -330,6 +330,7 @@ func (p *GRPCProvider) ReadResource(r providers.ReadResourceRequest) (resp provi
 	protoReq := &proto.ReadResource_Request{
 		TypeName:     r.TypeName,
 		CurrentState: &proto.DynamicValue{Msgpack: mp},
+		Private:      r.Private,
 	}
 
 	protoResp, err := p.client.ReadResource(p.ctx, protoReq)
@@ -348,6 +349,7 @@ func (p *GRPCProvider) ReadResource(r providers.ReadResourceRequest) (resp provi
 		}
 	}
 	resp.NewState = state
+	resp.Private = protoResp.Private
 
 	return resp
 }
diff --git a/providers/provider.go b/providers/provider.go
index 1aa08c271..7e0a74c58 100644
--- a/providers/provider.go
+++ b/providers/provider.go
@@ -176,6 +176,10 @@ type ReadResourceRequest struct {
 
 	// PriorState contains the previously saved state value for this resource.
 	PriorState cty.Value
+
+	// Private is an opaque blob that will be stored in state along with the
+	// resource. It is intended only for interpretation by the provider itself.
+	Private []byte
 }
 
 type ReadResourceResponse struct {
@@ -184,6 +188,10 @@ type ReadResourceResponse struct {
 
 	// Diagnostics contains any warnings or errors from the method call.
 	Diagnostics tfdiags.Diagnostics
+
+	// Private is an opaque blob that will be stored in state along with the
+	// resource. It is intended only for interpretation by the provider itself.
+	Private []byte
 }
 
 type PlanResourceChangeRequest struct {
diff --git a/states/state_deepcopy.go b/states/state_deepcopy.go
index ea717d00e..8664f3bea 100644
--- a/states/state_deepcopy.go
+++ b/states/state_deepcopy.go
@@ -147,7 +147,7 @@ func (obj *ResourceInstanceObjectSrc) DeepCopy() *ResourceInstanceObjectSrc {
 
 	var private []byte
 	if obj.Private != nil {
-		private := make([]byte, len(obj.Private))
+		private = make([]byte, len(obj.Private))
 		copy(private, obj.Private)
 	}
 
@@ -181,14 +181,17 @@ func (obj *ResourceInstanceObject) DeepCopy() *ResourceInstanceObject {
 
 	var private []byte
 	if obj.Private != nil {
-		private := make([]byte, len(obj.Private))
+		private = make([]byte, len(obj.Private))
 		copy(private, obj.Private)
 	}
 
-	// Some addrs.Referencable implementations are technically mutable, but
+	// Some addrs.Referenceable implementations are technically mutable, but
 	// we treat them as immutable by convention and so we don't deep-copy here.
-	dependencies := make([]addrs.Referenceable, len(obj.Dependencies))
-	copy(dependencies, obj.Dependencies)
+	var dependencies []addrs.Referenceable
+	if obj.Dependencies != nil {
+		dependencies = make([]addrs.Referenceable, len(obj.Dependencies))
+		copy(dependencies, obj.Dependencies)
+	}
 
 	return &ResourceInstanceObject{
 		Value:        obj.Value,
diff --git a/states/state_test.go b/states/state_test.go
index 8f941d179..618cfaafb 100644
--- a/states/state_test.go
+++ b/states/state_test.go
@@ -115,3 +115,62 @@ func TestState(t *testing.T) {
 		t.Error(problem)
 	}
 }
+
+func TestStateDeepCopy(t *testing.T) {
+	state := NewState()
+
+	rootModule := state.RootModule()
+	if rootModule == nil {
+		t.Errorf("root module is nil; want valid object")
+	}
+
+	rootModule.SetLocalValue("foo", cty.StringVal("foo value"))
+	rootModule.SetOutputValue("bar", cty.StringVal("bar value"), false)
+	rootModule.SetOutputValue("secret", cty.StringVal("secret value"), true)
+	rootModule.SetResourceInstanceCurrent(
+		addrs.Resource{
+			Mode: addrs.ManagedResourceMode,
+			Type: "test_thing",
+			Name: "baz",
+		}.Instance(addrs.IntKey(0)),
+		&ResourceInstanceObjectSrc{
+			Status:        ObjectReady,
+			SchemaVersion: 1,
+			AttrsJSON:     []byte(`{"woozles":"confuzles"}`),
+			Private:       []byte("private data"),
+			Dependencies:  []addrs.Referenceable{},
+		},
+		addrs.ProviderConfig{
+			Type: "test",
+		}.Absolute(addrs.RootModuleInstance),
+	)
+	rootModule.SetResourceInstanceCurrent(
+		addrs.Resource{
+			Mode: addrs.ManagedResourceMode,
+			Type: "test_thing",
+			Name: "bar",
+		}.Instance(addrs.IntKey(0)),
+		&ResourceInstanceObjectSrc{
+			Status:        ObjectReady,
+			SchemaVersion: 1,
+			AttrsJSON:     []byte(`{"woozles":"confuzles"}`),
+			Private:       []byte("private data"),
+			Dependencies: []addrs.Referenceable{addrs.Resource{
+				Mode: addrs.ManagedResourceMode,
+				Type: "test_thing",
+				Name: "baz",
+			}},
+		},
+		addrs.ProviderConfig{
+			Type: "test",
+		}.Absolute(addrs.RootModuleInstance),
+	)
+
+	childModule := state.EnsureModule(addrs.RootModuleInstance.Child("child", addrs.NoKey))
+	childModule.SetOutputValue("pizza", cty.StringVal("hawaiian"), false)
+
+	stateCopy := state.DeepCopy()
+	if !state.Equal(stateCopy) {
+		t.Fatalf("\nexpected:\n%q\ngot:\n%q\n", state, stateCopy)
+	}
+}
diff --git a/terraform/eval_diff.go b/terraform/eval_diff.go
index b7acfb06d..a28af15e9 100644
--- a/terraform/eval_diff.go
+++ b/terraform/eval_diff.go
@@ -448,8 +448,9 @@ func (n *EvalDiff) Eval(ctx EvalContext) (interface{}, error) {
 			// must _also_ record the returned change in the active plan,
 			// which the expression evaluator will use in preference to this
 			// incomplete value recorded in the state.
-			Status: states.ObjectPlanned,
-			Value:  plannedNewVal,
+			Status:  states.ObjectPlanned,
+			Value:   plannedNewVal,
+			Private: plannedPrivate,
 		}
 	}
 
@@ -790,6 +791,7 @@ func (n *EvalDiffDestroy) Eval(ctx EvalContext) (interface{}, error) {
 			Before: state.Value,
 			After:  cty.NullVal(cty.DynamicPseudoType),
 		},
+		Private:      state.Private,
 		ProviderAddr: n.ProviderAddr,
 	}
 
diff --git a/terraform/eval_refresh.go b/terraform/eval_refresh.go
index 03bc94811..4dfb5b4e9 100644
--- a/terraform/eval_refresh.go
+++ b/terraform/eval_refresh.go
@@ -55,6 +55,7 @@ func (n *EvalRefresh) Eval(ctx EvalContext) (interface{}, error) {
 	req := providers.ReadResourceRequest{
 		TypeName:   n.Addr.Resource.Type,
 		PriorState: priorVal,
+		Private:    state.Private,
 	}
 
 	provider := *n.Provider
@@ -87,6 +88,7 @@ func (n *EvalRefresh) Eval(ctx EvalContext) (interface{}, error) {
 
 	newState := state.DeepCopy()
 	newState.Value = resp.NewState
+	newState.Private = resp.Private
 
 	// Call post-refresh hook
 	err = ctx.Hook(func(h Hook) (HookAction, error) {