diff --git a/packages/proto-loader/README.md b/packages/proto-loader/README.md
index 5abf4d1dd..3ee672725 100644
--- a/packages/proto-loader/README.md
+++ b/packages/proto-loader/README.md
@@ -114,8 +114,8 @@ Consume the types:
 ```ts
 import * as grpc from '@grpc/grpc-js';
 import * as protoLoader from '@grpc/proto-loader';
-import { ProtoGrpcType } from './proto/example';
-import { ExampleHandlers } from './proto/example_package/Example';
+import type { ProtoGrpcType } from './proto/example.ts';
+import type { ExampleHandlers } from './proto/example_package/Example.ts';
 
 const exampleServer: ExampleHandlers = {
   // server handlers implementation...
diff --git a/packages/proto-loader/bin/proto-loader-gen-types.ts b/packages/proto-loader/bin/proto-loader-gen-types.ts
index 6db109904..c66717db7 100644
--- a/packages/proto-loader/bin/proto-loader-gen-types.ts
+++ b/packages/proto-loader/bin/proto-loader-gen-types.ts
@@ -153,7 +153,7 @@ function getImportLine(dependency: Protobuf.Type | Protobuf.Enum | Protobuf.Serv
       throw new Error('Invalid object passed to getImportLine');
     }
   }
-  return `import type { ${importedTypes} } from '${filePath}';`
+  return `import type { ${importedTypes} } from '${filePath}.ts';`
 }
 
 function getChildMessagesAndEnums(namespace: Protobuf.NamespaceBase): (Protobuf.Type | Protobuf.Enum)[] {
diff --git a/packages/proto-loader/golden-generated/echo.ts b/packages/proto-loader/golden-generated/echo.ts
index 600e2864c..2dc6154f9 100644
--- a/packages/proto-loader/golden-generated/echo.ts
+++ b/packages/proto-loader/golden-generated/echo.ts
@@ -1,8 +1,8 @@
 import type * as grpc from '@grpc/grpc-js';
 import type { EnumTypeDefinition, MessageTypeDefinition } from '@grpc/proto-loader';
 
-import type { OperationsClient as _google_longrunning_OperationsClient, OperationsDefinition as _google_longrunning_OperationsDefinition } from './google/longrunning/Operations';
-import type { EchoClient as _google_showcase_v1beta1_EchoClient, EchoDefinition as _google_showcase_v1beta1_EchoDefinition } from './google/showcase/v1beta1/Echo';
+import type { OperationsClient as _google_longrunning_OperationsClient, OperationsDefinition as _google_longrunning_OperationsDefinition } from './google/longrunning/Operations.ts';
+import type { EchoClient as _google_showcase_v1beta1_EchoClient, EchoDefinition as _google_showcase_v1beta1_EchoDefinition } from './google/showcase/v1beta1/Echo.ts';
 
 type SubtypeConstructor<Constructor extends new (...args: any) => any, Subtype> = {
   new(...args: ConstructorParameters<Constructor>): Subtype;
diff --git a/packages/proto-loader/golden-generated/google/api/Http.ts b/packages/proto-loader/golden-generated/google/api/Http.ts
index 6b6ae8a63..45546ffc1 100644
--- a/packages/proto-loader/golden-generated/google/api/Http.ts
+++ b/packages/proto-loader/golden-generated/google/api/Http.ts
@@ -1,6 +1,6 @@
 // Original file: deps/googleapis/google/api/http.proto
 
-import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule';
+import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule.ts';
 
 /**
  * Defines the HTTP configuration for an API service. It contains a list of
diff --git a/packages/proto-loader/golden-generated/google/api/HttpRule.ts b/packages/proto-loader/golden-generated/google/api/HttpRule.ts
index 90efdc00d..b6cc137e2 100644
--- a/packages/proto-loader/golden-generated/google/api/HttpRule.ts
+++ b/packages/proto-loader/golden-generated/google/api/HttpRule.ts
@@ -1,7 +1,7 @@
 // Original file: deps/googleapis/google/api/http.proto
 
-import type { ICustomHttpPattern as I_google_api_CustomHttpPattern, OCustomHttpPattern as O_google_api_CustomHttpPattern } from '../../google/api/CustomHttpPattern';
-import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule';
+import type { ICustomHttpPattern as I_google_api_CustomHttpPattern, OCustomHttpPattern as O_google_api_CustomHttpPattern } from '../../google/api/CustomHttpPattern.ts';
+import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule.ts';
 
 /**
  * # gRPC Transcoding
diff --git a/packages/proto-loader/golden-generated/google/longrunning/ListOperationsResponse.ts b/packages/proto-loader/golden-generated/google/longrunning/ListOperationsResponse.ts
index 1e8b9ed5a..f1692da02 100644
--- a/packages/proto-loader/golden-generated/google/longrunning/ListOperationsResponse.ts
+++ b/packages/proto-loader/golden-generated/google/longrunning/ListOperationsResponse.ts
@@ -1,6 +1,6 @@
 // Original file: deps/googleapis/google/longrunning/operations.proto
 
-import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../google/longrunning/Operation';
+import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../google/longrunning/Operation.ts';
 
 /**
  * The response message for [Operations.ListOperations][google.longrunning.Operations.ListOperations].
diff --git a/packages/proto-loader/golden-generated/google/longrunning/Operation.ts b/packages/proto-loader/golden-generated/google/longrunning/Operation.ts
index bbd1d8078..23464334f 100644
--- a/packages/proto-loader/golden-generated/google/longrunning/Operation.ts
+++ b/packages/proto-loader/golden-generated/google/longrunning/Operation.ts
@@ -1,7 +1,7 @@
 // Original file: deps/googleapis/google/longrunning/operations.proto
 
-import type { IAny as I_google_protobuf_Any, OAny as O_google_protobuf_Any } from '../../google/protobuf/Any';
-import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../google/rpc/Status';
+import type { IAny as I_google_protobuf_Any, OAny as O_google_protobuf_Any } from '../../google/protobuf/Any.ts';
+import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../google/rpc/Status.ts';
 
 /**
  * This resource represents a long-running operation that is the result of a
diff --git a/packages/proto-loader/golden-generated/google/longrunning/Operations.ts b/packages/proto-loader/golden-generated/google/longrunning/Operations.ts
index 00d6a95d2..a30d9631e 100644
--- a/packages/proto-loader/golden-generated/google/longrunning/Operations.ts
+++ b/packages/proto-loader/golden-generated/google/longrunning/Operations.ts
@@ -2,14 +2,14 @@
 
 import type * as grpc from '@grpc/grpc-js'
 import type { MethodDefinition } from '@grpc/proto-loader'
-import type { ICancelOperationRequest as I_google_longrunning_CancelOperationRequest, OCancelOperationRequest as O_google_longrunning_CancelOperationRequest } from '../../google/longrunning/CancelOperationRequest';
-import type { IDeleteOperationRequest as I_google_longrunning_DeleteOperationRequest, ODeleteOperationRequest as O_google_longrunning_DeleteOperationRequest } from '../../google/longrunning/DeleteOperationRequest';
-import type { IEmpty as I_google_protobuf_Empty, OEmpty as O_google_protobuf_Empty } from '../../google/protobuf/Empty';
-import type { IGetOperationRequest as I_google_longrunning_GetOperationRequest, OGetOperationRequest as O_google_longrunning_GetOperationRequest } from '../../google/longrunning/GetOperationRequest';
-import type { IListOperationsRequest as I_google_longrunning_ListOperationsRequest, OListOperationsRequest as O_google_longrunning_ListOperationsRequest } from '../../google/longrunning/ListOperationsRequest';
-import type { IListOperationsResponse as I_google_longrunning_ListOperationsResponse, OListOperationsResponse as O_google_longrunning_ListOperationsResponse } from '../../google/longrunning/ListOperationsResponse';
-import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../google/longrunning/Operation';
-import type { IWaitOperationRequest as I_google_longrunning_WaitOperationRequest, OWaitOperationRequest as O_google_longrunning_WaitOperationRequest } from '../../google/longrunning/WaitOperationRequest';
+import type { ICancelOperationRequest as I_google_longrunning_CancelOperationRequest, OCancelOperationRequest as O_google_longrunning_CancelOperationRequest } from '../../google/longrunning/CancelOperationRequest.ts';
+import type { IDeleteOperationRequest as I_google_longrunning_DeleteOperationRequest, ODeleteOperationRequest as O_google_longrunning_DeleteOperationRequest } from '../../google/longrunning/DeleteOperationRequest.ts';
+import type { IEmpty as I_google_protobuf_Empty, OEmpty as O_google_protobuf_Empty } from '../../google/protobuf/Empty.ts';
+import type { IGetOperationRequest as I_google_longrunning_GetOperationRequest, OGetOperationRequest as O_google_longrunning_GetOperationRequest } from '../../google/longrunning/GetOperationRequest.ts';
+import type { IListOperationsRequest as I_google_longrunning_ListOperationsRequest, OListOperationsRequest as O_google_longrunning_ListOperationsRequest } from '../../google/longrunning/ListOperationsRequest.ts';
+import type { IListOperationsResponse as I_google_longrunning_ListOperationsResponse, OListOperationsResponse as O_google_longrunning_ListOperationsResponse } from '../../google/longrunning/ListOperationsResponse.ts';
+import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../google/longrunning/Operation.ts';
+import type { IWaitOperationRequest as I_google_longrunning_WaitOperationRequest, OWaitOperationRequest as O_google_longrunning_WaitOperationRequest } from '../../google/longrunning/WaitOperationRequest.ts';
 
 /**
  * Manages long-running operations with an API service.
diff --git a/packages/proto-loader/golden-generated/google/longrunning/WaitOperationRequest.ts b/packages/proto-loader/golden-generated/google/longrunning/WaitOperationRequest.ts
index 2f11f7580..7df01a532 100644
--- a/packages/proto-loader/golden-generated/google/longrunning/WaitOperationRequest.ts
+++ b/packages/proto-loader/golden-generated/google/longrunning/WaitOperationRequest.ts
@@ -1,6 +1,6 @@
 // Original file: deps/googleapis/google/longrunning/operations.proto
 
-import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../google/protobuf/Duration';
+import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../google/protobuf/Duration.ts';
 
 /**
  * The request message for [Operations.WaitOperation][google.longrunning.Operations.WaitOperation].
diff --git a/packages/proto-loader/golden-generated/google/protobuf/DescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/DescriptorProto.ts
index 5f568ca2c..2af9c74fa 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/DescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/DescriptorProto.ts
@@ -1,10 +1,10 @@
 // Original file: null
 
-import type { IFieldDescriptorProto as I_google_protobuf_FieldDescriptorProto, OFieldDescriptorProto as O_google_protobuf_FieldDescriptorProto } from '../../google/protobuf/FieldDescriptorProto';
-import type { IDescriptorProto as I_google_protobuf_DescriptorProto, ODescriptorProto as O_google_protobuf_DescriptorProto } from '../../google/protobuf/DescriptorProto';
-import type { IEnumDescriptorProto as I_google_protobuf_EnumDescriptorProto, OEnumDescriptorProto as O_google_protobuf_EnumDescriptorProto } from '../../google/protobuf/EnumDescriptorProto';
-import type { IMessageOptions as I_google_protobuf_MessageOptions, OMessageOptions as O_google_protobuf_MessageOptions } from '../../google/protobuf/MessageOptions';
-import type { IOneofDescriptorProto as I_google_protobuf_OneofDescriptorProto, OOneofDescriptorProto as O_google_protobuf_OneofDescriptorProto } from '../../google/protobuf/OneofDescriptorProto';
+import type { IFieldDescriptorProto as I_google_protobuf_FieldDescriptorProto, OFieldDescriptorProto as O_google_protobuf_FieldDescriptorProto } from '../../google/protobuf/FieldDescriptorProto.ts';
+import type { IDescriptorProto as I_google_protobuf_DescriptorProto, ODescriptorProto as O_google_protobuf_DescriptorProto } from '../../google/protobuf/DescriptorProto.ts';
+import type { IEnumDescriptorProto as I_google_protobuf_EnumDescriptorProto, OEnumDescriptorProto as O_google_protobuf_EnumDescriptorProto } from '../../google/protobuf/EnumDescriptorProto.ts';
+import type { IMessageOptions as I_google_protobuf_MessageOptions, OMessageOptions as O_google_protobuf_MessageOptions } from '../../google/protobuf/MessageOptions.ts';
+import type { IOneofDescriptorProto as I_google_protobuf_OneofDescriptorProto, OOneofDescriptorProto as O_google_protobuf_OneofDescriptorProto } from '../../google/protobuf/OneofDescriptorProto.ts';
 
 export interface I_google_protobuf_DescriptorProto_ExtensionRange {
   'start'?: (number);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/EnumDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/EnumDescriptorProto.ts
index 30f52c610..fead08f2a 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/EnumDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/EnumDescriptorProto.ts
@@ -1,7 +1,7 @@
 // Original file: null
 
-import type { IEnumValueDescriptorProto as I_google_protobuf_EnumValueDescriptorProto, OEnumValueDescriptorProto as O_google_protobuf_EnumValueDescriptorProto } from '../../google/protobuf/EnumValueDescriptorProto';
-import type { IEnumOptions as I_google_protobuf_EnumOptions, OEnumOptions as O_google_protobuf_EnumOptions } from '../../google/protobuf/EnumOptions';
+import type { IEnumValueDescriptorProto as I_google_protobuf_EnumValueDescriptorProto, OEnumValueDescriptorProto as O_google_protobuf_EnumValueDescriptorProto } from '../../google/protobuf/EnumValueDescriptorProto.ts';
+import type { IEnumOptions as I_google_protobuf_EnumOptions, OEnumOptions as O_google_protobuf_EnumOptions } from '../../google/protobuf/EnumOptions.ts';
 
 export interface IEnumDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/EnumOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/EnumOptions.ts
index 6d2a0c2c6..a90b94bdb 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/EnumOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/EnumOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 export interface IEnumOptions {
   'allowAlias'?: (boolean);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/EnumValueDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/EnumValueDescriptorProto.ts
index 44cfcde4a..dbc8964ba 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/EnumValueDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/EnumValueDescriptorProto.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IEnumValueOptions as I_google_protobuf_EnumValueOptions, OEnumValueOptions as O_google_protobuf_EnumValueOptions } from '../../google/protobuf/EnumValueOptions';
+import type { IEnumValueOptions as I_google_protobuf_EnumValueOptions, OEnumValueOptions as O_google_protobuf_EnumValueOptions } from '../../google/protobuf/EnumValueOptions.ts';
 
 export interface IEnumValueDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/EnumValueOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/EnumValueOptions.ts
index 143381113..1e6701b7f 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/EnumValueOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/EnumValueOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 export interface IEnumValueOptions {
   'deprecated'?: (boolean);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/FieldDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/FieldDescriptorProto.ts
index 1bcb69abe..a6b13691e 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/FieldDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/FieldDescriptorProto.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IFieldOptions as I_google_protobuf_FieldOptions, OFieldOptions as O_google_protobuf_FieldOptions } from '../../google/protobuf/FieldOptions';
+import type { IFieldOptions as I_google_protobuf_FieldOptions, OFieldOptions as O_google_protobuf_FieldOptions } from '../../google/protobuf/FieldOptions.ts';
 
 // Original file: null
 
diff --git a/packages/proto-loader/golden-generated/google/protobuf/FieldOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/FieldOptions.ts
index 16e532d95..29ccbcd2f 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/FieldOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/FieldOptions.ts
@@ -1,7 +1,7 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
-import type { IFieldBehavior as I_google_api_FieldBehavior, OFieldBehavior as O_google_api_FieldBehavior } from '../../google/api/FieldBehavior';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
+import type { IFieldBehavior as I_google_api_FieldBehavior, OFieldBehavior as O_google_api_FieldBehavior } from '../../google/api/FieldBehavior.ts';
 
 // Original file: null
 
diff --git a/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorProto.ts
index c98732f9d..1d5333f59 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorProto.ts
@@ -1,11 +1,11 @@
 // Original file: null
 
-import type { IDescriptorProto as I_google_protobuf_DescriptorProto, ODescriptorProto as O_google_protobuf_DescriptorProto } from '../../google/protobuf/DescriptorProto';
-import type { IEnumDescriptorProto as I_google_protobuf_EnumDescriptorProto, OEnumDescriptorProto as O_google_protobuf_EnumDescriptorProto } from '../../google/protobuf/EnumDescriptorProto';
-import type { IServiceDescriptorProto as I_google_protobuf_ServiceDescriptorProto, OServiceDescriptorProto as O_google_protobuf_ServiceDescriptorProto } from '../../google/protobuf/ServiceDescriptorProto';
-import type { IFieldDescriptorProto as I_google_protobuf_FieldDescriptorProto, OFieldDescriptorProto as O_google_protobuf_FieldDescriptorProto } from '../../google/protobuf/FieldDescriptorProto';
-import type { IFileOptions as I_google_protobuf_FileOptions, OFileOptions as O_google_protobuf_FileOptions } from '../../google/protobuf/FileOptions';
-import type { ISourceCodeInfo as I_google_protobuf_SourceCodeInfo, OSourceCodeInfo as O_google_protobuf_SourceCodeInfo } from '../../google/protobuf/SourceCodeInfo';
+import type { IDescriptorProto as I_google_protobuf_DescriptorProto, ODescriptorProto as O_google_protobuf_DescriptorProto } from '../../google/protobuf/DescriptorProto.ts';
+import type { IEnumDescriptorProto as I_google_protobuf_EnumDescriptorProto, OEnumDescriptorProto as O_google_protobuf_EnumDescriptorProto } from '../../google/protobuf/EnumDescriptorProto.ts';
+import type { IServiceDescriptorProto as I_google_protobuf_ServiceDescriptorProto, OServiceDescriptorProto as O_google_protobuf_ServiceDescriptorProto } from '../../google/protobuf/ServiceDescriptorProto.ts';
+import type { IFieldDescriptorProto as I_google_protobuf_FieldDescriptorProto, OFieldDescriptorProto as O_google_protobuf_FieldDescriptorProto } from '../../google/protobuf/FieldDescriptorProto.ts';
+import type { IFileOptions as I_google_protobuf_FileOptions, OFileOptions as O_google_protobuf_FileOptions } from '../../google/protobuf/FileOptions.ts';
+import type { ISourceCodeInfo as I_google_protobuf_SourceCodeInfo, OSourceCodeInfo as O_google_protobuf_SourceCodeInfo } from '../../google/protobuf/SourceCodeInfo.ts';
 
 export interface IFileDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorSet.ts b/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorSet.ts
index 9c940ed5e..e12be6b95 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorSet.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/FileDescriptorSet.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IFileDescriptorProto as I_google_protobuf_FileDescriptorProto, OFileDescriptorProto as O_google_protobuf_FileDescriptorProto } from '../../google/protobuf/FileDescriptorProto';
+import type { IFileDescriptorProto as I_google_protobuf_FileDescriptorProto, OFileDescriptorProto as O_google_protobuf_FileDescriptorProto } from '../../google/protobuf/FileDescriptorProto.ts';
 
 export interface IFileDescriptorSet {
   'file'?: (I_google_protobuf_FileDescriptorProto)[];
diff --git a/packages/proto-loader/golden-generated/google/protobuf/FileOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/FileOptions.ts
index c80374024..4f8530193 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/FileOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/FileOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 // Original file: null
 
diff --git a/packages/proto-loader/golden-generated/google/protobuf/MessageOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/MessageOptions.ts
index 8c8885e63..00f0c60b7 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/MessageOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/MessageOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 export interface IMessageOptions {
   'messageSetWireFormat'?: (boolean);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/MethodDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/MethodDescriptorProto.ts
index 0826370df..45134e4da 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/MethodDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/MethodDescriptorProto.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IMethodOptions as I_google_protobuf_MethodOptions, OMethodOptions as O_google_protobuf_MethodOptions } from '../../google/protobuf/MethodOptions';
+import type { IMethodOptions as I_google_protobuf_MethodOptions, OMethodOptions as O_google_protobuf_MethodOptions } from '../../google/protobuf/MethodOptions.ts';
 
 export interface IMethodDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/MethodOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/MethodOptions.ts
index 5f0b69008..ffac90b88 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/MethodOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/MethodOptions.ts
@@ -1,8 +1,8 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
-import type { IOperationInfo as I_google_longrunning_OperationInfo, OOperationInfo as O_google_longrunning_OperationInfo } from '../../google/longrunning/OperationInfo';
-import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
+import type { IOperationInfo as I_google_longrunning_OperationInfo, OOperationInfo as O_google_longrunning_OperationInfo } from '../../google/longrunning/OperationInfo.ts';
+import type { IHttpRule as I_google_api_HttpRule, OHttpRule as O_google_api_HttpRule } from '../../google/api/HttpRule.ts';
 
 export interface IMethodOptions {
   'deprecated'?: (boolean);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/OneofDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/OneofDescriptorProto.ts
index 6394270ea..4344414cf 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/OneofDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/OneofDescriptorProto.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IOneofOptions as I_google_protobuf_OneofOptions, OOneofOptions as O_google_protobuf_OneofOptions } from '../../google/protobuf/OneofOptions';
+import type { IOneofOptions as I_google_protobuf_OneofOptions, OOneofOptions as O_google_protobuf_OneofOptions } from '../../google/protobuf/OneofOptions.ts';
 
 export interface IOneofDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/OneofOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/OneofOptions.ts
index 73280ad73..a2b10c634 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/OneofOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/OneofOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 export interface IOneofOptions {
   'uninterpretedOption'?: (I_google_protobuf_UninterpretedOption)[];
diff --git a/packages/proto-loader/golden-generated/google/protobuf/ServiceDescriptorProto.ts b/packages/proto-loader/golden-generated/google/protobuf/ServiceDescriptorProto.ts
index a0427fda5..7715c3c4f 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/ServiceDescriptorProto.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/ServiceDescriptorProto.ts
@@ -1,7 +1,7 @@
 // Original file: null
 
-import type { IMethodDescriptorProto as I_google_protobuf_MethodDescriptorProto, OMethodDescriptorProto as O_google_protobuf_MethodDescriptorProto } from '../../google/protobuf/MethodDescriptorProto';
-import type { IServiceOptions as I_google_protobuf_ServiceOptions, OServiceOptions as O_google_protobuf_ServiceOptions } from '../../google/protobuf/ServiceOptions';
+import type { IMethodDescriptorProto as I_google_protobuf_MethodDescriptorProto, OMethodDescriptorProto as O_google_protobuf_MethodDescriptorProto } from '../../google/protobuf/MethodDescriptorProto.ts';
+import type { IServiceOptions as I_google_protobuf_ServiceOptions, OServiceOptions as O_google_protobuf_ServiceOptions } from '../../google/protobuf/ServiceOptions.ts';
 
 export interface IServiceDescriptorProto {
   'name'?: (string);
diff --git a/packages/proto-loader/golden-generated/google/protobuf/ServiceOptions.ts b/packages/proto-loader/golden-generated/google/protobuf/ServiceOptions.ts
index 0ddc8e187..e9054500c 100644
--- a/packages/proto-loader/golden-generated/google/protobuf/ServiceOptions.ts
+++ b/packages/proto-loader/golden-generated/google/protobuf/ServiceOptions.ts
@@ -1,6 +1,6 @@
 // Original file: null
 
-import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption';
+import type { IUninterpretedOption as I_google_protobuf_UninterpretedOption, OUninterpretedOption as O_google_protobuf_UninterpretedOption } from '../../google/protobuf/UninterpretedOption.ts';
 
 export interface IServiceOptions {
   'deprecated'?: (boolean);
diff --git a/packages/proto-loader/golden-generated/google/rpc/Status.ts b/packages/proto-loader/golden-generated/google/rpc/Status.ts
index 05cf71c5f..49334fffb 100644
--- a/packages/proto-loader/golden-generated/google/rpc/Status.ts
+++ b/packages/proto-loader/golden-generated/google/rpc/Status.ts
@@ -1,6 +1,6 @@
 // Original file: deps/googleapis/google/rpc/status.proto
 
-import type { IAny as I_google_protobuf_Any, OAny as O_google_protobuf_Any } from '../../google/protobuf/Any';
+import type { IAny as I_google_protobuf_Any, OAny as O_google_protobuf_Any } from '../../google/protobuf/Any.ts';
 
 /**
  * The `Status` type defines a logical error model that is suitable for
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/BlockRequest.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/BlockRequest.ts
index 29d10f6dd..38654573c 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/BlockRequest.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/BlockRequest.ts
@@ -1,8 +1,8 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../../google/protobuf/Duration';
-import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status';
-import type { IBlockResponse as I_google_showcase_v1beta1_BlockResponse, OBlockResponse as O_google_showcase_v1beta1_BlockResponse } from '../../../google/showcase/v1beta1/BlockResponse';
+import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../../google/protobuf/Duration.ts';
+import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status.ts';
+import type { IBlockResponse as I_google_showcase_v1beta1_BlockResponse, OBlockResponse as O_google_showcase_v1beta1_BlockResponse } from '../../../google/showcase/v1beta1/BlockResponse.ts';
 
 /**
  * The request for Block method.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/Echo.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/Echo.ts
index a0330fe68..65a8db8ec 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/Echo.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/Echo.ts
@@ -2,15 +2,15 @@
 
 import type * as grpc from '@grpc/grpc-js'
 import type { MethodDefinition } from '@grpc/proto-loader'
-import type { IBlockRequest as I_google_showcase_v1beta1_BlockRequest, OBlockRequest as O_google_showcase_v1beta1_BlockRequest } from '../../../google/showcase/v1beta1/BlockRequest';
-import type { IBlockResponse as I_google_showcase_v1beta1_BlockResponse, OBlockResponse as O_google_showcase_v1beta1_BlockResponse } from '../../../google/showcase/v1beta1/BlockResponse';
-import type { IEchoRequest as I_google_showcase_v1beta1_EchoRequest, OEchoRequest as O_google_showcase_v1beta1_EchoRequest } from '../../../google/showcase/v1beta1/EchoRequest';
-import type { IEchoResponse as I_google_showcase_v1beta1_EchoResponse, OEchoResponse as O_google_showcase_v1beta1_EchoResponse } from '../../../google/showcase/v1beta1/EchoResponse';
-import type { IExpandRequest as I_google_showcase_v1beta1_ExpandRequest, OExpandRequest as O_google_showcase_v1beta1_ExpandRequest } from '../../../google/showcase/v1beta1/ExpandRequest';
-import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../../google/longrunning/Operation';
-import type { IPagedExpandRequest as I_google_showcase_v1beta1_PagedExpandRequest, OPagedExpandRequest as O_google_showcase_v1beta1_PagedExpandRequest } from '../../../google/showcase/v1beta1/PagedExpandRequest';
-import type { IPagedExpandResponse as I_google_showcase_v1beta1_PagedExpandResponse, OPagedExpandResponse as O_google_showcase_v1beta1_PagedExpandResponse } from '../../../google/showcase/v1beta1/PagedExpandResponse';
-import type { IWaitRequest as I_google_showcase_v1beta1_WaitRequest, OWaitRequest as O_google_showcase_v1beta1_WaitRequest } from '../../../google/showcase/v1beta1/WaitRequest';
+import type { IBlockRequest as I_google_showcase_v1beta1_BlockRequest, OBlockRequest as O_google_showcase_v1beta1_BlockRequest } from '../../../google/showcase/v1beta1/BlockRequest.ts';
+import type { IBlockResponse as I_google_showcase_v1beta1_BlockResponse, OBlockResponse as O_google_showcase_v1beta1_BlockResponse } from '../../../google/showcase/v1beta1/BlockResponse.ts';
+import type { IEchoRequest as I_google_showcase_v1beta1_EchoRequest, OEchoRequest as O_google_showcase_v1beta1_EchoRequest } from '../../../google/showcase/v1beta1/EchoRequest.ts';
+import type { IEchoResponse as I_google_showcase_v1beta1_EchoResponse, OEchoResponse as O_google_showcase_v1beta1_EchoResponse } from '../../../google/showcase/v1beta1/EchoResponse.ts';
+import type { IExpandRequest as I_google_showcase_v1beta1_ExpandRequest, OExpandRequest as O_google_showcase_v1beta1_ExpandRequest } from '../../../google/showcase/v1beta1/ExpandRequest.ts';
+import type { IOperation as I_google_longrunning_Operation, OOperation as O_google_longrunning_Operation } from '../../../google/longrunning/Operation.ts';
+import type { IPagedExpandRequest as I_google_showcase_v1beta1_PagedExpandRequest, OPagedExpandRequest as O_google_showcase_v1beta1_PagedExpandRequest } from '../../../google/showcase/v1beta1/PagedExpandRequest.ts';
+import type { IPagedExpandResponse as I_google_showcase_v1beta1_PagedExpandResponse, OPagedExpandResponse as O_google_showcase_v1beta1_PagedExpandResponse } from '../../../google/showcase/v1beta1/PagedExpandResponse.ts';
+import type { IWaitRequest as I_google_showcase_v1beta1_WaitRequest, OWaitRequest as O_google_showcase_v1beta1_WaitRequest } from '../../../google/showcase/v1beta1/WaitRequest.ts';
 
 /**
  * This service is used showcase the four main types of rpcs - unary, server
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoRequest.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoRequest.ts
index a5fb8f766..f7f74b03d 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoRequest.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoRequest.ts
@@ -1,7 +1,7 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status';
-import type { ISeverity as I_google_showcase_v1beta1_Severity, OSeverity as O_google_showcase_v1beta1_Severity } from '../../../google/showcase/v1beta1/Severity';
+import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status.ts';
+import type { ISeverity as I_google_showcase_v1beta1_Severity, OSeverity as O_google_showcase_v1beta1_Severity } from '../../../google/showcase/v1beta1/Severity.ts';
 
 /**
  * The request message used for the Echo, Collect and Chat methods.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoResponse.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoResponse.ts
index ac50115bf..d1afd12cb 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoResponse.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/EchoResponse.ts
@@ -1,6 +1,6 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { ISeverity as I_google_showcase_v1beta1_Severity, OSeverity as O_google_showcase_v1beta1_Severity } from '../../../google/showcase/v1beta1/Severity';
+import type { ISeverity as I_google_showcase_v1beta1_Severity, OSeverity as O_google_showcase_v1beta1_Severity } from '../../../google/showcase/v1beta1/Severity.ts';
 
 /**
  * The response message for the Echo methods.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/ExpandRequest.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/ExpandRequest.ts
index 4347a617a..330279d7f 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/ExpandRequest.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/ExpandRequest.ts
@@ -1,6 +1,6 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status';
+import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status.ts';
 
 /**
  * The request message for the Expand method.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/PagedExpandResponse.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/PagedExpandResponse.ts
index 3b3ef90c2..44e5ec869 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/PagedExpandResponse.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/PagedExpandResponse.ts
@@ -1,6 +1,6 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { IEchoResponse as I_google_showcase_v1beta1_EchoResponse, OEchoResponse as O_google_showcase_v1beta1_EchoResponse } from '../../../google/showcase/v1beta1/EchoResponse';
+import type { IEchoResponse as I_google_showcase_v1beta1_EchoResponse, OEchoResponse as O_google_showcase_v1beta1_EchoResponse } from '../../../google/showcase/v1beta1/EchoResponse.ts';
 
 /**
  * The response for the PagedExpand method.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitMetadata.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitMetadata.ts
index ddbe77c22..fa092d6a6 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitMetadata.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitMetadata.ts
@@ -1,6 +1,6 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { ITimestamp as I_google_protobuf_Timestamp, OTimestamp as O_google_protobuf_Timestamp } from '../../../google/protobuf/Timestamp';
+import type { ITimestamp as I_google_protobuf_Timestamp, OTimestamp as O_google_protobuf_Timestamp } from '../../../google/protobuf/Timestamp.ts';
 
 /**
  * The metadata for Wait operation.
diff --git a/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitRequest.ts b/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitRequest.ts
index 331a66947..e344a0a3c 100644
--- a/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitRequest.ts
+++ b/packages/proto-loader/golden-generated/google/showcase/v1beta1/WaitRequest.ts
@@ -1,9 +1,9 @@
 // Original file: deps/gapic-showcase/schema/google/showcase/v1beta1/echo.proto
 
-import type { ITimestamp as I_google_protobuf_Timestamp, OTimestamp as O_google_protobuf_Timestamp } from '../../../google/protobuf/Timestamp';
-import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status';
-import type { IWaitResponse as I_google_showcase_v1beta1_WaitResponse, OWaitResponse as O_google_showcase_v1beta1_WaitResponse } from '../../../google/showcase/v1beta1/WaitResponse';
-import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../../google/protobuf/Duration';
+import type { ITimestamp as I_google_protobuf_Timestamp, OTimestamp as O_google_protobuf_Timestamp } from '../../../google/protobuf/Timestamp.ts';
+import type { IStatus as I_google_rpc_Status, OStatus as O_google_rpc_Status } from '../../../google/rpc/Status.ts';
+import type { IWaitResponse as I_google_showcase_v1beta1_WaitResponse, OWaitResponse as O_google_showcase_v1beta1_WaitResponse } from '../../../google/showcase/v1beta1/WaitResponse.ts';
+import type { IDuration as I_google_protobuf_Duration, ODuration as O_google_protobuf_Duration } from '../../../google/protobuf/Duration.ts';
 
 /**
  * The request for Wait method.