Merge Java into main inference feature branch

specification/ai/ModelClient/client.tsp

@@ -29,12 +29,13 @@ namespace Customizations; // The actual name here doesn't matter and is here for
 @@access(AI.Model.getChatCompletions, Access.internal);
 @@access(AI.Model.getEmbeddings, Access.internal);
 @@access(AI.Model.getImageEmbeddings, Access.internal);
-@@access(AI.Model.getModelInfo, Access.internal, "python");
+@@access(AI.Model.getModelInfo, Access.internal, "python,java");
 
 // Since we made all operator methods internal, we need to explicity
 // say we still want the models they use to be public, since they will be used by hand-written operator methods.
 @@access(AI.Model.ChatChoice, Access.public);
 @@access(AI.Model.ChatCompletions, Access.public);
+@@access(AI.Model.ChatCompletionsOptions, Access.public, "java");
 @@access(AI.Model.ChatCompletionsToolCall, Access.public);
 @@access(AI.Model.ChatCompletionsToolDefinition, Access.public);
 @@access(AI.Model.ChatCompletionsNamedToolChoice, Access.public);
@@ -73,6 +74,7 @@ namespace Customizations; // The actual name here doesn't matter and is here for
 @@access(AI.Model.EmbeddingItem, Access.public);
 @@access(AI.Model.EmbeddingsResult, Access.public);
 @@access(AI.Model.EmbeddingsUsage, Access.public);
+@@access(AI.Model.ExtraParameters, Access.public, "java");
 @@access(AI.Model.FunctionCall, Access.public);
 @@access(AI.Model.FunctionDefinition, Access.public);
 @@access(AI.Model.ModelInfo, Access.public);

specification/ai/ModelClient/main.tsp

@@ -4,9 +4,7 @@ import "@azure-tools/typespec-azure-core";
 import "./routes.tsp";
 
 using TypeSpec.Http;
-using TypeSpec.Rest;
 using TypeSpec.Versioning;
-using Azure.Core;
 
 #suppress "@azure-tools/typespec-autorest/unsupported-http-auth-scheme"
 @useAuth(

specification/ai/ModelClient/tspconfig.yaml

@@ -35,3 +35,11 @@ options:
     clear-output-folder: true
     model-namespace: false
     flavor: azure
+  "@azure-tools/typespec-java":
+    package-dir: "azure-ai-inference"
+    namespace: com.azure.ai.inference
+    partial-update: true
+    customization-class: customization/src/main/java/InferenceCustomizations.java
+    enable-sync-stack: true
+    generate-tests: false
+    flavor: azure