feat: add external authorization service (authzd) with JWT authentication

- Add new authzd gRPC service implementing Envoy's external authorization API
- Integrate JWT authentication filter in Envoy configuration with claim extraction
- Update middleware to support both cookie-based and header-based user authentication
- Add comprehensive test coverage for authorization service and server
- Configure proper service orchestration with authzd, sparkled, and Envoy
- Update build system and Docker configuration for multi-service deployment
- Add grpcurl tool for gRPC service debugging and testing

This enables fine-grained authorization control through Envoy's ext_authz filter
while maintaining backward compatibility with existing cookie-based authentication.

1 files changed, 1633 insertions, 0 deletions

diff --git a/vendor/cel.dev/expr/syntax.pb.go b/vendor/cel.dev/expr/syntax.pb.go
new file mode 100644
index 0000000..48a9528
--- /dev/null
+++ b/vendor/cel.dev/expr/syntax.pb.go
@@ -0,0 +1,1633 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.5
+// source: cel/expr/syntax.proto
+
+package expr
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	structpb "google.golang.org/protobuf/types/known/structpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type SourceInfo_Extension_Component int32
+
+const (
+	SourceInfo_Extension_COMPONENT_UNSPECIFIED  SourceInfo_Extension_Component = 0
+	SourceInfo_Extension_COMPONENT_PARSER       SourceInfo_Extension_Component = 1
+	SourceInfo_Extension_COMPONENT_TYPE_CHECKER SourceInfo_Extension_Component = 2
+	SourceInfo_Extension_COMPONENT_RUNTIME      SourceInfo_Extension_Component = 3
+)
+
+// Enum value maps for SourceInfo_Extension_Component.
+var (
+	SourceInfo_Extension_Component_name = map[int32]string{
+		0: "COMPONENT_UNSPECIFIED",
+		1: "COMPONENT_PARSER",
+		2: "COMPONENT_TYPE_CHECKER",
+		3: "COMPONENT_RUNTIME",
+	}
+	SourceInfo_Extension_Component_value = map[string]int32{
+		"COMPONENT_UNSPECIFIED":  0,
+		"COMPONENT_PARSER":       1,
+		"COMPONENT_TYPE_CHECKER": 2,
+		"COMPONENT_RUNTIME":      3,
+	}
+)
+
+func (x SourceInfo_Extension_Component) Enum() *SourceInfo_Extension_Component {
+	p := new(SourceInfo_Extension_Component)
+	*p = x
+	return p
+}
+
+func (x SourceInfo_Extension_Component) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SourceInfo_Extension_Component) Descriptor() protoreflect.EnumDescriptor {
+	return file_cel_expr_syntax_proto_enumTypes[0].Descriptor()
+}
+
+func (SourceInfo_Extension_Component) Type() protoreflect.EnumType {
+	return &file_cel_expr_syntax_proto_enumTypes[0]
+}
+
+func (x SourceInfo_Extension_Component) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SourceInfo_Extension_Component.Descriptor instead.
+func (SourceInfo_Extension_Component) EnumDescriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{3, 2, 0}
+}
+
+type ParsedExpr struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Expr       *Expr       `protobuf:"bytes,2,opt,name=expr,proto3" json:"expr,omitempty"`
+	SourceInfo *SourceInfo `protobuf:"bytes,3,opt,name=source_info,json=sourceInfo,proto3" json:"source_info,omitempty"`
+}
+
+func (x *ParsedExpr) Reset() {
+	*x = ParsedExpr{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ParsedExpr) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ParsedExpr) ProtoMessage() {}
+
+func (x *ParsedExpr) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ParsedExpr.ProtoReflect.Descriptor instead.
+func (*ParsedExpr) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ParsedExpr) GetExpr() *Expr {
+	if x != nil {
+		return x.Expr
+	}
+	return nil
+}
+
+func (x *ParsedExpr) GetSourceInfo() *SourceInfo {
+	if x != nil {
+		return x.SourceInfo
+	}
+	return nil
+}
+
+type Expr struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id int64 `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
+	// Types that are assignable to ExprKind:
+	//
+	//	*Expr_ConstExpr
+	//	*Expr_IdentExpr
+	//	*Expr_SelectExpr
+	//	*Expr_CallExpr
+	//	*Expr_ListExpr
+	//	*Expr_StructExpr
+	//	*Expr_ComprehensionExpr
+	ExprKind isExpr_ExprKind `protobuf_oneof:"expr_kind"`
+}
+
+func (x *Expr) Reset() {
+	*x = Expr{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr) ProtoMessage() {}
+
+func (x *Expr) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr.ProtoReflect.Descriptor instead.
+func (*Expr) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Expr) GetId() int64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (m *Expr) GetExprKind() isExpr_ExprKind {
+	if m != nil {
+		return m.ExprKind
+	}
+	return nil
+}
+
+func (x *Expr) GetConstExpr() *Constant {
+	if x, ok := x.GetExprKind().(*Expr_ConstExpr); ok {
+		return x.ConstExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetIdentExpr() *Expr_Ident {
+	if x, ok := x.GetExprKind().(*Expr_IdentExpr); ok {
+		return x.IdentExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetSelectExpr() *Expr_Select {
+	if x, ok := x.GetExprKind().(*Expr_SelectExpr); ok {
+		return x.SelectExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetCallExpr() *Expr_Call {
+	if x, ok := x.GetExprKind().(*Expr_CallExpr); ok {
+		return x.CallExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetListExpr() *Expr_CreateList {
+	if x, ok := x.GetExprKind().(*Expr_ListExpr); ok {
+		return x.ListExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetStructExpr() *Expr_CreateStruct {
+	if x, ok := x.GetExprKind().(*Expr_StructExpr); ok {
+		return x.StructExpr
+	}
+	return nil
+}
+
+func (x *Expr) GetComprehensionExpr() *Expr_Comprehension {
+	if x, ok := x.GetExprKind().(*Expr_ComprehensionExpr); ok {
+		return x.ComprehensionExpr
+	}
+	return nil
+}
+
+type isExpr_ExprKind interface {
+	isExpr_ExprKind()
+}
+
+type Expr_ConstExpr struct {
+	ConstExpr *Constant `protobuf:"bytes,3,opt,name=const_expr,json=constExpr,proto3,oneof"`
+}
+
+type Expr_IdentExpr struct {
+	IdentExpr *Expr_Ident `protobuf:"bytes,4,opt,name=ident_expr,json=identExpr,proto3,oneof"`
+}
+
+type Expr_SelectExpr struct {
+	SelectExpr *Expr_Select `protobuf:"bytes,5,opt,name=select_expr,json=selectExpr,proto3,oneof"`
+}
+
+type Expr_CallExpr struct {
+	CallExpr *Expr_Call `protobuf:"bytes,6,opt,name=call_expr,json=callExpr,proto3,oneof"`
+}
+
+type Expr_ListExpr struct {
+	ListExpr *Expr_CreateList `protobuf:"bytes,7,opt,name=list_expr,json=listExpr,proto3,oneof"`
+}
+
+type Expr_StructExpr struct {
+	StructExpr *Expr_CreateStruct `protobuf:"bytes,8,opt,name=struct_expr,json=structExpr,proto3,oneof"`
+}
+
+type Expr_ComprehensionExpr struct {
+	ComprehensionExpr *Expr_Comprehension `protobuf:"bytes,9,opt,name=comprehension_expr,json=comprehensionExpr,proto3,oneof"`
+}
+
+func (*Expr_ConstExpr) isExpr_ExprKind() {}
+
+func (*Expr_IdentExpr) isExpr_ExprKind() {}
+
+func (*Expr_SelectExpr) isExpr_ExprKind() {}
+
+func (*Expr_CallExpr) isExpr_ExprKind() {}
+
+func (*Expr_ListExpr) isExpr_ExprKind() {}
+
+func (*Expr_StructExpr) isExpr_ExprKind() {}
+
+func (*Expr_ComprehensionExpr) isExpr_ExprKind() {}
+
+type Constant struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to ConstantKind:
+	//
+	//	*Constant_NullValue
+	//	*Constant_BoolValue
+	//	*Constant_Int64Value
+	//	*Constant_Uint64Value
+	//	*Constant_DoubleValue
+	//	*Constant_StringValue
+	//	*Constant_BytesValue
+	//	*Constant_DurationValue
+	//	*Constant_TimestampValue
+	ConstantKind isConstant_ConstantKind `protobuf_oneof:"constant_kind"`
+}
+
+func (x *Constant) Reset() {
+	*x = Constant{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Constant) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Constant) ProtoMessage() {}
+
+func (x *Constant) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Constant.ProtoReflect.Descriptor instead.
+func (*Constant) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{2}
+}
+
+func (m *Constant) GetConstantKind() isConstant_ConstantKind {
+	if m != nil {
+		return m.ConstantKind
+	}
+	return nil
+}
+
+func (x *Constant) GetNullValue() structpb.NullValue {
+	if x, ok := x.GetConstantKind().(*Constant_NullValue); ok {
+		return x.NullValue
+	}
+	return structpb.NullValue(0)
+}
+
+func (x *Constant) GetBoolValue() bool {
+	if x, ok := x.GetConstantKind().(*Constant_BoolValue); ok {
+		return x.BoolValue
+	}
+	return false
+}
+
+func (x *Constant) GetInt64Value() int64 {
+	if x, ok := x.GetConstantKind().(*Constant_Int64Value); ok {
+		return x.Int64Value
+	}
+	return 0
+}
+
+func (x *Constant) GetUint64Value() uint64 {
+	if x, ok := x.GetConstantKind().(*Constant_Uint64Value); ok {
+		return x.Uint64Value
+	}
+	return 0
+}
+
+func (x *Constant) GetDoubleValue() float64 {
+	if x, ok := x.GetConstantKind().(*Constant_DoubleValue); ok {
+		return x.DoubleValue
+	}
+	return 0
+}
+
+func (x *Constant) GetStringValue() string {
+	if x, ok := x.GetConstantKind().(*Constant_StringValue); ok {
+		return x.StringValue
+	}
+	return ""
+}
+
+func (x *Constant) GetBytesValue() []byte {
+	if x, ok := x.GetConstantKind().(*Constant_BytesValue); ok {
+		return x.BytesValue
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *Constant) GetDurationValue() *durationpb.Duration {
+	if x, ok := x.GetConstantKind().(*Constant_DurationValue); ok {
+		return x.DurationValue
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *Constant) GetTimestampValue() *timestamppb.Timestamp {
+	if x, ok := x.GetConstantKind().(*Constant_TimestampValue); ok {
+		return x.TimestampValue
+	}
+	return nil
+}
+
+type isConstant_ConstantKind interface {
+	isConstant_ConstantKind()
+}
+
+type Constant_NullValue struct {
+	NullValue structpb.NullValue `protobuf:"varint,1,opt,name=null_value,json=nullValue,proto3,enum=google.protobuf.NullValue,oneof"`
+}
+
+type Constant_BoolValue struct {
+	BoolValue bool `protobuf:"varint,2,opt,name=bool_value,json=boolValue,proto3,oneof"`
+}
+
+type Constant_Int64Value struct {
+	Int64Value int64 `protobuf:"varint,3,opt,name=int64_value,json=int64Value,proto3,oneof"`
+}
+
+type Constant_Uint64Value struct {
+	Uint64Value uint64 `protobuf:"varint,4,opt,name=uint64_value,json=uint64Value,proto3,oneof"`
+}
+
+type Constant_DoubleValue struct {
+	DoubleValue float64 `protobuf:"fixed64,5,opt,name=double_value,json=doubleValue,proto3,oneof"`
+}
+
+type Constant_StringValue struct {
+	StringValue string `protobuf:"bytes,6,opt,name=string_value,json=stringValue,proto3,oneof"`
+}
+
+type Constant_BytesValue struct {
+	BytesValue []byte `protobuf:"bytes,7,opt,name=bytes_value,json=bytesValue,proto3,oneof"`
+}
+
+type Constant_DurationValue struct {
+	// Deprecated: Do not use.
+	DurationValue *durationpb.Duration `protobuf:"bytes,8,opt,name=duration_value,json=durationValue,proto3,oneof"`
+}
+
+type Constant_TimestampValue struct {
+	// Deprecated: Do not use.
+	TimestampValue *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=timestamp_value,json=timestampValue,proto3,oneof"`
+}
+
+func (*Constant_NullValue) isConstant_ConstantKind() {}
+
+func (*Constant_BoolValue) isConstant_ConstantKind() {}
+
+func (*Constant_Int64Value) isConstant_ConstantKind() {}
+
+func (*Constant_Uint64Value) isConstant_ConstantKind() {}
+
+func (*Constant_DoubleValue) isConstant_ConstantKind() {}
+
+func (*Constant_StringValue) isConstant_ConstantKind() {}
+
+func (*Constant_BytesValue) isConstant_ConstantKind() {}
+
+func (*Constant_DurationValue) isConstant_ConstantKind() {}
+
+func (*Constant_TimestampValue) isConstant_ConstantKind() {}
+
+type SourceInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SyntaxVersion string                  `protobuf:"bytes,1,opt,name=syntax_version,json=syntaxVersion,proto3" json:"syntax_version,omitempty"`
+	Location      string                  `protobuf:"bytes,2,opt,name=location,proto3" json:"location,omitempty"`
+	LineOffsets   []int32                 `protobuf:"varint,3,rep,packed,name=line_offsets,json=lineOffsets,proto3" json:"line_offsets,omitempty"`
+	Positions     map[int64]int32         `protobuf:"bytes,4,rep,name=positions,proto3" json:"positions,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
+	MacroCalls    map[int64]*Expr         `protobuf:"bytes,5,rep,name=macro_calls,json=macroCalls,proto3" json:"macro_calls,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Extensions    []*SourceInfo_Extension `protobuf:"bytes,6,rep,name=extensions,proto3" json:"extensions,omitempty"`
+}
+
+func (x *SourceInfo) Reset() {
+	*x = SourceInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SourceInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SourceInfo) ProtoMessage() {}
+
+func (x *SourceInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SourceInfo.ProtoReflect.Descriptor instead.
+func (*SourceInfo) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *SourceInfo) GetSyntaxVersion() string {
+	if x != nil {
+		return x.SyntaxVersion
+	}
+	return ""
+}
+
+func (x *SourceInfo) GetLocation() string {
+	if x != nil {
+		return x.Location
+	}
+	return ""
+}
+
+func (x *SourceInfo) GetLineOffsets() []int32 {
+	if x != nil {
+		return x.LineOffsets
+	}
+	return nil
+}
+
+func (x *SourceInfo) GetPositions() map[int64]int32 {
+	if x != nil {
+		return x.Positions
+	}
+	return nil
+}
+
+func (x *SourceInfo) GetMacroCalls() map[int64]*Expr {
+	if x != nil {
+		return x.MacroCalls
+	}
+	return nil
+}
+
+func (x *SourceInfo) GetExtensions() []*SourceInfo_Extension {
+	if x != nil {
+		return x.Extensions
+	}
+	return nil
+}
+
+type Expr_Ident struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *Expr_Ident) Reset() {
+	*x = Expr_Ident{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_Ident) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_Ident) ProtoMessage() {}
+
+func (x *Expr_Ident) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_Ident.ProtoReflect.Descriptor instead.
+func (*Expr_Ident) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 0}
+}
+
+func (x *Expr_Ident) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type Expr_Select struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Operand  *Expr  `protobuf:"bytes,1,opt,name=operand,proto3" json:"operand,omitempty"`
+	Field    string `protobuf:"bytes,2,opt,name=field,proto3" json:"field,omitempty"`
+	TestOnly bool   `protobuf:"varint,3,opt,name=test_only,json=testOnly,proto3" json:"test_only,omitempty"`
+}
+
+func (x *Expr_Select) Reset() {
+	*x = Expr_Select{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_Select) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_Select) ProtoMessage() {}
+
+func (x *Expr_Select) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_Select.ProtoReflect.Descriptor instead.
+func (*Expr_Select) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 1}
+}
+
+func (x *Expr_Select) GetOperand() *Expr {
+	if x != nil {
+		return x.Operand
+	}
+	return nil
+}
+
+func (x *Expr_Select) GetField() string {
+	if x != nil {
+		return x.Field
+	}
+	return ""
+}
+
+func (x *Expr_Select) GetTestOnly() bool {
+	if x != nil {
+		return x.TestOnly
+	}
+	return false
+}
+
+type Expr_Call struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Target   *Expr   `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
+	Function string  `protobuf:"bytes,2,opt,name=function,proto3" json:"function,omitempty"`
+	Args     []*Expr `protobuf:"bytes,3,rep,name=args,proto3" json:"args,omitempty"`
+}
+
+func (x *Expr_Call) Reset() {
+	*x = Expr_Call{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_Call) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_Call) ProtoMessage() {}
+
+func (x *Expr_Call) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_Call.ProtoReflect.Descriptor instead.
+func (*Expr_Call) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 2}
+}
+
+func (x *Expr_Call) GetTarget() *Expr {
+	if x != nil {
+		return x.Target
+	}
+	return nil
+}
+
+func (x *Expr_Call) GetFunction() string {
+	if x != nil {
+		return x.Function
+	}
+	return ""
+}
+
+func (x *Expr_Call) GetArgs() []*Expr {
+	if x != nil {
+		return x.Args
+	}
+	return nil
+}
+
+type Expr_CreateList struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Elements        []*Expr `protobuf:"bytes,1,rep,name=elements,proto3" json:"elements,omitempty"`
+	OptionalIndices []int32 `protobuf:"varint,2,rep,packed,name=optional_indices,json=optionalIndices,proto3" json:"optional_indices,omitempty"`
+}
+
+func (x *Expr_CreateList) Reset() {
+	*x = Expr_CreateList{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_CreateList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_CreateList) ProtoMessage() {}
+
+func (x *Expr_CreateList) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_CreateList.ProtoReflect.Descriptor instead.
+func (*Expr_CreateList) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 3}
+}
+
+func (x *Expr_CreateList) GetElements() []*Expr {
+	if x != nil {
+		return x.Elements
+	}
+	return nil
+}
+
+func (x *Expr_CreateList) GetOptionalIndices() []int32 {
+	if x != nil {
+		return x.OptionalIndices
+	}
+	return nil
+}
+
+type Expr_CreateStruct struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MessageName string                     `protobuf:"bytes,1,opt,name=message_name,json=messageName,proto3" json:"message_name,omitempty"`
+	Entries     []*Expr_CreateStruct_Entry `protobuf:"bytes,2,rep,name=entries,proto3" json:"entries,omitempty"`
+}
+
+func (x *Expr_CreateStruct) Reset() {
+	*x = Expr_CreateStruct{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_CreateStruct) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_CreateStruct) ProtoMessage() {}
+
+func (x *Expr_CreateStruct) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_CreateStruct.ProtoReflect.Descriptor instead.
+func (*Expr_CreateStruct) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 4}
+}
+
+func (x *Expr_CreateStruct) GetMessageName() string {
+	if x != nil {
+		return x.MessageName
+	}
+	return ""
+}
+
+func (x *Expr_CreateStruct) GetEntries() []*Expr_CreateStruct_Entry {
+	if x != nil {
+		return x.Entries
+	}
+	return nil
+}
+
+type Expr_Comprehension struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	IterVar       string `protobuf:"bytes,1,opt,name=iter_var,json=iterVar,proto3" json:"iter_var,omitempty"`
+	IterRange     *Expr  `protobuf:"bytes,2,opt,name=iter_range,json=iterRange,proto3" json:"iter_range,omitempty"`
+	AccuVar       string `protobuf:"bytes,3,opt,name=accu_var,json=accuVar,proto3" json:"accu_var,omitempty"`
+	AccuInit      *Expr  `protobuf:"bytes,4,opt,name=accu_init,json=accuInit,proto3" json:"accu_init,omitempty"`
+	LoopCondition *Expr  `protobuf:"bytes,5,opt,name=loop_condition,json=loopCondition,proto3" json:"loop_condition,omitempty"`
+	LoopStep      *Expr  `protobuf:"bytes,6,opt,name=loop_step,json=loopStep,proto3" json:"loop_step,omitempty"`
+	Result        *Expr  `protobuf:"bytes,7,opt,name=result,proto3" json:"result,omitempty"`
+}
+
+func (x *Expr_Comprehension) Reset() {
+	*x = Expr_Comprehension{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_Comprehension) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_Comprehension) ProtoMessage() {}
+
+func (x *Expr_Comprehension) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_Comprehension.ProtoReflect.Descriptor instead.
+func (*Expr_Comprehension) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 5}
+}
+
+func (x *Expr_Comprehension) GetIterVar() string {
+	if x != nil {
+		return x.IterVar
+	}
+	return ""
+}
+
+func (x *Expr_Comprehension) GetIterRange() *Expr {
+	if x != nil {
+		return x.IterRange
+	}
+	return nil
+}
+
+func (x *Expr_Comprehension) GetAccuVar() string {
+	if x != nil {
+		return x.AccuVar
+	}
+	return ""
+}
+
+func (x *Expr_Comprehension) GetAccuInit() *Expr {
+	if x != nil {
+		return x.AccuInit
+	}
+	return nil
+}
+
+func (x *Expr_Comprehension) GetLoopCondition() *Expr {
+	if x != nil {
+		return x.LoopCondition
+	}
+	return nil
+}
+
+func (x *Expr_Comprehension) GetLoopStep() *Expr {
+	if x != nil {
+		return x.LoopStep
+	}
+	return nil
+}
+
+func (x *Expr_Comprehension) GetResult() *Expr {
+	if x != nil {
+		return x.Result
+	}
+	return nil
+}
+
+type Expr_CreateStruct_Entry struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	// Types that are assignable to KeyKind:
+	//
+	//	*Expr_CreateStruct_Entry_FieldKey
+	//	*Expr_CreateStruct_Entry_MapKey
+	KeyKind       isExpr_CreateStruct_Entry_KeyKind `protobuf_oneof:"key_kind"`
+	Value         *Expr                             `protobuf:"bytes,4,opt,name=value,proto3" json:"value,omitempty"`
+	OptionalEntry bool                              `protobuf:"varint,5,opt,name=optional_entry,json=optionalEntry,proto3" json:"optional_entry,omitempty"`
+}
+
+func (x *Expr_CreateStruct_Entry) Reset() {
+	*x = Expr_CreateStruct_Entry{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Expr_CreateStruct_Entry) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Expr_CreateStruct_Entry) ProtoMessage() {}
+
+func (x *Expr_CreateStruct_Entry) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Expr_CreateStruct_Entry.ProtoReflect.Descriptor instead.
+func (*Expr_CreateStruct_Entry) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{1, 4, 0}
+}
+
+func (x *Expr_CreateStruct_Entry) GetId() int64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (m *Expr_CreateStruct_Entry) GetKeyKind() isExpr_CreateStruct_Entry_KeyKind {
+	if m != nil {
+		return m.KeyKind
+	}
+	return nil
+}
+
+func (x *Expr_CreateStruct_Entry) GetFieldKey() string {
+	if x, ok := x.GetKeyKind().(*Expr_CreateStruct_Entry_FieldKey); ok {
+		return x.FieldKey
+	}
+	return ""
+}
+
+func (x *Expr_CreateStruct_Entry) GetMapKey() *Expr {
+	if x, ok := x.GetKeyKind().(*Expr_CreateStruct_Entry_MapKey); ok {
+		return x.MapKey
+	}
+	return nil
+}
+
+func (x *Expr_CreateStruct_Entry) GetValue() *Expr {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+func (x *Expr_CreateStruct_Entry) GetOptionalEntry() bool {
+	if x != nil {
+		return x.OptionalEntry
+	}
+	return false
+}
+
+type isExpr_CreateStruct_Entry_KeyKind interface {
+	isExpr_CreateStruct_Entry_KeyKind()
+}
+
+type Expr_CreateStruct_Entry_FieldKey struct {
+	FieldKey string `protobuf:"bytes,2,opt,name=field_key,json=fieldKey,proto3,oneof"`
+}
+
+type Expr_CreateStruct_Entry_MapKey struct {
+	MapKey *Expr `protobuf:"bytes,3,opt,name=map_key,json=mapKey,proto3,oneof"`
+}
+
+func (*Expr_CreateStruct_Entry_FieldKey) isExpr_CreateStruct_Entry_KeyKind() {}
+
+func (*Expr_CreateStruct_Entry_MapKey) isExpr_CreateStruct_Entry_KeyKind() {}
+
+type SourceInfo_Extension struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id                 string                           `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	AffectedComponents []SourceInfo_Extension_Component `protobuf:"varint,2,rep,packed,name=affected_components,json=affectedComponents,proto3,enum=cel.expr.SourceInfo_Extension_Component" json:"affected_components,omitempty"`
+	Version            *SourceInfo_Extension_Version    `protobuf:"bytes,3,opt,name=version,proto3" json:"version,omitempty"`
+}
+
+func (x *SourceInfo_Extension) Reset() {
+	*x = SourceInfo_Extension{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SourceInfo_Extension) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SourceInfo_Extension) ProtoMessage() {}
+
+func (x *SourceInfo_Extension) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SourceInfo_Extension.ProtoReflect.Descriptor instead.
+func (*SourceInfo_Extension) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{3, 2}
+}
+
+func (x *SourceInfo_Extension) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *SourceInfo_Extension) GetAffectedComponents() []SourceInfo_Extension_Component {
+	if x != nil {
+		return x.AffectedComponents
+	}
+	return nil
+}
+
+func (x *SourceInfo_Extension) GetVersion() *SourceInfo_Extension_Version {
+	if x != nil {
+		return x.Version
+	}
+	return nil
+}
+
+type SourceInfo_Extension_Version struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Major int64 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
+	Minor int64 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
+}
+
+func (x *SourceInfo_Extension_Version) Reset() {
+	*x = SourceInfo_Extension_Version{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cel_expr_syntax_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SourceInfo_Extension_Version) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SourceInfo_Extension_Version) ProtoMessage() {}
+
+func (x *SourceInfo_Extension_Version) ProtoReflect() protoreflect.Message {
+	mi := &file_cel_expr_syntax_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SourceInfo_Extension_Version.ProtoReflect.Descriptor instead.
+func (*SourceInfo_Extension_Version) Descriptor() ([]byte, []int) {
+	return file_cel_expr_syntax_proto_rawDescGZIP(), []int{3, 2, 0}
+}
+
+func (x *SourceInfo_Extension_Version) GetMajor() int64 {
+	if x != nil {
+		return x.Major
+	}
+	return 0
+}
+
+func (x *SourceInfo_Extension_Version) GetMinor() int64 {
+	if x != nil {
+		return x.Minor
+	}
+	return 0
+}
+
+var File_cel_expr_syntax_proto protoreflect.FileDescriptor
+
+var file_cel_expr_syntax_proto_rawDesc = []byte{
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+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_cel_expr_syntax_proto_rawDescOnce sync.Once
+	file_cel_expr_syntax_proto_rawDescData = file_cel_expr_syntax_proto_rawDesc
+)
+
+func file_cel_expr_syntax_proto_rawDescGZIP() []byte {
+	file_cel_expr_syntax_proto_rawDescOnce.Do(func() {
+		file_cel_expr_syntax_proto_rawDescData = protoimpl.X.CompressGZIP(file_cel_expr_syntax_proto_rawDescData)
+	})
+	return file_cel_expr_syntax_proto_rawDescData
+}
+
+var file_cel_expr_syntax_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_cel_expr_syntax_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_cel_expr_syntax_proto_goTypes = []interface{}{
+	(SourceInfo_Extension_Component)(0),  // 0: cel.expr.SourceInfo.Extension.Component
+	(*ParsedExpr)(nil),                   // 1: cel.expr.ParsedExpr
+	(*Expr)(nil),                         // 2: cel.expr.Expr
+	(*Constant)(nil),                     // 3: cel.expr.Constant
+	(*SourceInfo)(nil),                   // 4: cel.expr.SourceInfo
+	(*Expr_Ident)(nil),                   // 5: cel.expr.Expr.Ident
+	(*Expr_Select)(nil),                  // 6: cel.expr.Expr.Select
+	(*Expr_Call)(nil),                    // 7: cel.expr.Expr.Call
+	(*Expr_CreateList)(nil),              // 8: cel.expr.Expr.CreateList
+	(*Expr_CreateStruct)(nil),            // 9: cel.expr.Expr.CreateStruct
+	(*Expr_Comprehension)(nil),           // 10: cel.expr.Expr.Comprehension
+	(*Expr_CreateStruct_Entry)(nil),      // 11: cel.expr.Expr.CreateStruct.Entry
+	nil,                                  // 12: cel.expr.SourceInfo.PositionsEntry
+	nil,                                  // 13: cel.expr.SourceInfo.MacroCallsEntry
+	(*SourceInfo_Extension)(nil),         // 14: cel.expr.SourceInfo.Extension
+	(*SourceInfo_Extension_Version)(nil), // 15: cel.expr.SourceInfo.Extension.Version
+	(structpb.NullValue)(0),              // 16: google.protobuf.NullValue
+	(*durationpb.Duration)(nil),          // 17: google.protobuf.Duration
+	(*timestamppb.Timestamp)(nil),        // 18: google.protobuf.Timestamp
+}
+var file_cel_expr_syntax_proto_depIdxs = []int32{
+	2,  // 0: cel.expr.ParsedExpr.expr:type_name -> cel.expr.Expr
+	4,  // 1: cel.expr.ParsedExpr.source_info:type_name -> cel.expr.SourceInfo
+	3,  // 2: cel.expr.Expr.const_expr:type_name -> cel.expr.Constant
+	5,  // 3: cel.expr.Expr.ident_expr:type_name -> cel.expr.Expr.Ident
+	6,  // 4: cel.expr.Expr.select_expr:type_name -> cel.expr.Expr.Select
+	7,  // 5: cel.expr.Expr.call_expr:type_name -> cel.expr.Expr.Call
+	8,  // 6: cel.expr.Expr.list_expr:type_name -> cel.expr.Expr.CreateList
+	9,  // 7: cel.expr.Expr.struct_expr:type_name -> cel.expr.Expr.CreateStruct
+	10, // 8: cel.expr.Expr.comprehension_expr:type_name -> cel.expr.Expr.Comprehension
+	16, // 9: cel.expr.Constant.null_value:type_name -> google.protobuf.NullValue
+	17, // 10: cel.expr.Constant.duration_value:type_name -> google.protobuf.Duration
+	18, // 11: cel.expr.Constant.timestamp_value:type_name -> google.protobuf.Timestamp
+	12, // 12: cel.expr.SourceInfo.positions:type_name -> cel.expr.SourceInfo.PositionsEntry
+	13, // 13: cel.expr.SourceInfo.macro_calls:type_name -> cel.expr.SourceInfo.MacroCallsEntry
+	14, // 14: cel.expr.SourceInfo.extensions:type_name -> cel.expr.SourceInfo.Extension
+	2,  // 15: cel.expr.Expr.Select.operand:type_name -> cel.expr.Expr
+	2,  // 16: cel.expr.Expr.Call.target:type_name -> cel.expr.Expr
+	2,  // 17: cel.expr.Expr.Call.args:type_name -> cel.expr.Expr
+	2,  // 18: cel.expr.Expr.CreateList.elements:type_name -> cel.expr.Expr
+	11, // 19: cel.expr.Expr.CreateStruct.entries:type_name -> cel.expr.Expr.CreateStruct.Entry
+	2,  // 20: cel.expr.Expr.Comprehension.iter_range:type_name -> cel.expr.Expr
+	2,  // 21: cel.expr.Expr.Comprehension.accu_init:type_name -> cel.expr.Expr
+	2,  // 22: cel.expr.Expr.Comprehension.loop_condition:type_name -> cel.expr.Expr
+	2,  // 23: cel.expr.Expr.Comprehension.loop_step:type_name -> cel.expr.Expr
+	2,  // 24: cel.expr.Expr.Comprehension.result:type_name -> cel.expr.Expr
+	2,  // 25: cel.expr.Expr.CreateStruct.Entry.map_key:type_name -> cel.expr.Expr
+	2,  // 26: cel.expr.Expr.CreateStruct.Entry.value:type_name -> cel.expr.Expr
+	2,  // 27: cel.expr.SourceInfo.MacroCallsEntry.value:type_name -> cel.expr.Expr
+	0,  // 28: cel.expr.SourceInfo.Extension.affected_components:type_name -> cel.expr.SourceInfo.Extension.Component
+	15, // 29: cel.expr.SourceInfo.Extension.version:type_name -> cel.expr.SourceInfo.Extension.Version
+	30, // [30:30] is the sub-list for method output_type
+	30, // [30:30] is the sub-list for method input_type
+	30, // [30:30] is the sub-list for extension type_name
+	30, // [30:30] is the sub-list for extension extendee
+	0,  // [0:30] is the sub-list for field type_name
+}
+
+func init() { file_cel_expr_syntax_proto_init() }
+func file_cel_expr_syntax_proto_init() {
+	if File_cel_expr_syntax_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_cel_expr_syntax_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ParsedExpr); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Constant); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SourceInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_Ident); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_Select); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_Call); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_CreateList); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_CreateStruct); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_Comprehension); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Expr_CreateStruct_Entry); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SourceInfo_Extension); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cel_expr_syntax_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SourceInfo_Extension_Version); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_cel_expr_syntax_proto_msgTypes[1].OneofWrappers = []interface{}{
+		(*Expr_ConstExpr)(nil),
+		(*Expr_IdentExpr)(nil),
+		(*Expr_SelectExpr)(nil),
+		(*Expr_CallExpr)(nil),
+		(*Expr_ListExpr)(nil),
+		(*Expr_StructExpr)(nil),
+		(*Expr_ComprehensionExpr)(nil),
+	}
+	file_cel_expr_syntax_proto_msgTypes[2].OneofWrappers = []interface{}{
+		(*Constant_NullValue)(nil),
+		(*Constant_BoolValue)(nil),
+		(*Constant_Int64Value)(nil),
+		(*Constant_Uint64Value)(nil),
+		(*Constant_DoubleValue)(nil),
+		(*Constant_StringValue)(nil),
+		(*Constant_BytesValue)(nil),
+		(*Constant_DurationValue)(nil),
+		(*Constant_TimestampValue)(nil),
+	}
+	file_cel_expr_syntax_proto_msgTypes[10].OneofWrappers = []interface{}{
+		(*Expr_CreateStruct_Entry_FieldKey)(nil),
+		(*Expr_CreateStruct_Entry_MapKey)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_cel_expr_syntax_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   15,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_cel_expr_syntax_proto_goTypes,
+		DependencyIndexes: file_cel_expr_syntax_proto_depIdxs,
+		EnumInfos:         file_cel_expr_syntax_proto_enumTypes,
+		MessageInfos:      file_cel_expr_syntax_proto_msgTypes,
+	}.Build()
+	File_cel_expr_syntax_proto = out.File
+	file_cel_expr_syntax_proto_rawDesc = nil
+	file_cel_expr_syntax_proto_goTypes = nil
+	file_cel_expr_syntax_proto_depIdxs = nil
+}