Removing unused import and adding java emitter config

.typespec.azure/main.tsp

@@ -1,5 +1,4 @@
 import "@typespec/http";
-import "@typespec/openapi3";
 import "@typespec/openapi";
 import "@typespec/versioning";
 

.typespec/main.tsp

@@ -1,5 +1,4 @@
 import "@typespec/http";
-import "@typespec/openapi3";
 import "@typespec/openapi";
 
 import "./administration";

.typespec/realtime/java_entrypoint.tsp

@@ -0,0 +1,23 @@
+import "@typespec/http";
+import "@typespec/openapi";
+
+import "./main.tsp";
+
+using TypeSpec.Http;
+
+/** The OpenAI REST API. Please see https://platform.openai.com/docs/api-reference for more details. */
+@service({
+	title: "OpenAI API",
+	termsOfService: "https://openai.com/policies/terms-of-use",
+	contact: {
+		name: "OpenAI Support",
+		url: "https://help.openai.com",
+	},
+	license: {
+		name: "MIT",
+		url: "https://github.com/openai/openai-openapi/blob/master/LICENSE",
+	},
+})
+@server("https://api.openai.com/v1", "OpenAI Endpoint")
+@useAuth(BearerAuth)
+namespace OpenAI;

.typespec/realtime/tspconfig.yaml

@@ -0,0 +1,15 @@
+# https://typespec.io/docs/handbook/configuration/configuration/
+# adding entry point exclusive to realtime
+options:
+  "@azure-tools/typespec-java":
+    package-dir: "azure-ai-openai-realtime"
+    namespace: "com.azure.ai.openai.realtime"
+    # partial-update: true
+    enable-sync-stack: true
+    generate-tests: false
+    generate-samples: false
+    custom-types-subpackage: "implementation.models"
+    # custom-types: "FunctionCallPreset,FileListResponse,OpenAIPageableListOfBatch"
+    # customization-class: customization/src/main/java/OpenAICustomizations.java
+    flavor: azure
+    # tsp compile .typespec/realtime/client_java.tsp --emit "@azure-tools/typespec-java"