make inputs required

Author: cynthiajoan

packages/firebase_ai/firebase_ai/example/lib/pages/server_template_page.dart

@@ -390,9 +390,8 @@ class _ServerTemplatePageState extends State<ServerTemplatePage> {
     });
 
     try {
-      var response = await _templateGenerativeModel?.generateContent(
-        'new-greeting',
-      );
+      var response = await _templateGenerativeModel
+          ?.generateContent('new-greeting', inputs: {});
 
       _messages.add(MessageData(text: response?.text, fromUser: false));
 

packages/firebase_ai/firebase_ai/lib/src/server_template/template_chat.dart

@@ -35,11 +35,12 @@ final class TemplateChatSession {
 
   final Future<GenerateContentResponse> Function(
       Iterable<Content> content, String templateId,
-      {Map<String, Object?>? inputs}) _templateHistoryGenerateContent;
+      {required Map<String, Object?> inputs}) _templateHistoryGenerateContent;
 
   final Stream<GenerateContentResponse> Function(
-      Iterable<Content> content, String templateId,
-      {Map<String, Object?>? inputs}) _templateHistoryGenerateContentStream;
+          Iterable<Content> content, String templateId,
+          {required Map<String, Object?> inputs})
+      _templateHistoryGenerateContentStream;
   final String _templateId;
   final List<Content> _history;
 
@@ -62,7 +63,7 @@ final class TemplateChatSession {
   /// When there are no candidates in the response, the [message] and response
   /// are ignored and will not be recorded in the [history].
   Future<GenerateContentResponse> sendMessage(Content message,
-      {Map<String, Object?>? inputs}) async {
+      {required Map<String, Object?> inputs}) async {
     final lock = await _mutex.acquire();
     try {
       final response = await _templateHistoryGenerateContent(
@@ -95,7 +96,7 @@ final class TemplateChatSession {
   /// When there are no candidates in the response, the [message] and response
   /// are ignored and will not be recorded in the [history].
   Stream<GenerateContentResponse> sendMessageStream(Content message,
-      {Map<String, Object?>? inputs}) {
+      {required Map<String, Object?> inputs}) {
     final controller = StreamController<GenerateContentResponse>(sync: true);
     _mutex.acquire().then((lock) async {
       try {

packages/firebase_ai/firebase_ai/lib/src/server_template/template_generative_model.dart

@@ -74,7 +74,7 @@ final class TemplateGenerativeModel extends BaseTemplateApiClientModel {
   /// Sends a "templateGenerateContent" API request for the configured model.
   @experimental
   Future<GenerateContentResponse> generateContent(String templateId,
-          {Map<String, Object?>? inputs}) =>
+          {required Map<String, Object?> inputs}) =>
       makeTemplateRequest(TemplateTask.templateGenerateContent, templateId,
           inputs, null, _serializationStrategy.parseGenerateContentResponse);
 
@@ -84,7 +84,7 @@ final class TemplateGenerativeModel extends BaseTemplateApiClientModel {
   /// and waits for the response.
   @experimental
   Stream<GenerateContentResponse> generateContentStream(String templateId,
-      {Map<String, Object?>? inputs}) {
+      {required Map<String, Object?> inputs}) {
     return streamTemplateRequest(
         TemplateTask.templateStreamGenerateContent,
         templateId,
@@ -98,7 +98,7 @@ final class TemplateGenerativeModel extends BaseTemplateApiClientModel {
   @experimental
   Future<GenerateContentResponse> templateGenerateContentWithHistory(
           Iterable<Content> history, String templateId,
-          {Map<String, Object?>? inputs}) =>
+          {required Map<String, Object?> inputs}) =>
       makeTemplateRequest(TemplateTask.templateGenerateContent, templateId,
           inputs, history, _serializationStrategy.parseGenerateContentResponse);
 
@@ -107,7 +107,7 @@ final class TemplateGenerativeModel extends BaseTemplateApiClientModel {
   @experimental
   Stream<GenerateContentResponse> templateGenerateContentWithHistoryStream(
       Iterable<Content> history, String templateId,
-      {Map<String, Object?>? inputs}) {
+      {required Map<String, Object?> inputs}) {
     return streamTemplateRequest(
         TemplateTask.templateStreamGenerateContent,
         templateId,

packages/firebase_ai/firebase_ai/lib/src/server_template/template_imagen_model.dart

@@ -66,7 +66,7 @@ final class TemplateImagenModel extends BaseTemplateApiClientModel {
   @experimental
   Future<ImagenGenerationResponse<ImagenInlineImage>> generateImages(
           String templateId,
-          {Map<String, Object?>? inputs}) =>
+          {required Map<String, Object?> inputs}) =>
       makeTemplateRequest(
         TemplateTask.templatePredict,
         templateId,