eng, sync microsoft/typespec#9963 and prepare release (#3300)

* eng, sync http-client-java_improve-singluar

* update core

* update

* Bump version to 0.42.0 and update dependencies

- Bump @azure-tools/typespec-java to 0.42.0
- Update eslint to ~10.0.3
- Add changelog entry for 0.42.0

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* changelog

* Update core submodule to latest upstream/main

Include microsoft/typespec#9963: http-client-java, use lib to convert plural to singular

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: weidongxu-microsoft

core

@@ -1,5 +1,12 @@
 # Release History
 
+## 0.42.0 (2026-03-09)
+
+Compatible with compiler 1.9.0.
+
+- Updated package dependencies to the latest versions.
+- Improve the logic to convert plural words to singular, used for generating management libs.
+
 ## 0.41.0 (2026-03-06)
 
 Compatible with compiler 1.9.0.

eng/sdk/patches/0001-revert-main.patch

@@ -1,6 +1,6 @@
 {
   "name": "@azure-tools/typespec-java",
-  "version": "0.41.0",
+  "version": "0.42.0",
   "description": "TypeSpec library for emitting Java client from the TypeSpec REST protocol binding",
   "keywords": [
     "TypeSpec"
@@ -95,7 +95,7 @@
     "@vitest/coverage-v8": "^4.0.18",
     "@vitest/ui": "^4.0.18",
     "c8": "~11.0.0",
-    "eslint": "~10.0.2",
+    "eslint": "~10.0.3",
     "eslint-plugin-deprecation": "~3.0.0",
     "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-unicorn": "^63.0.0",
@@ -106,7 +106,7 @@
     "vitest": "^4.0.18"
   },
   "overrides": {
-    "eslint": "~10.0.2",
+    "eslint": "~10.0.3",
     "@typescript-eslint/eslint-plugin": "~8.56.1",
     "@typescript-eslint/parser": "~8.56.1"
   }

typespec-extension/changelog.md

@@ -13,7 +13,7 @@
     "@typespec/spector": "0.1.0-alpha.23",
     "@typespec/http-specs": "0.1.0-alpha.32",
     "@azure-tools/azure-http-specs": "0.1.0-alpha.37",
-    "@azure-tools/typespec-java": "file:/../typespec-extension/azure-tools-typespec-java-0.41.0.tgz"
+    "@azure-tools/typespec-java": "file:/../typespec-extension/azure-tools-typespec-java-0.42.0.tgz"
   },
   "devDependencies": {
     "@typespec/prettier-plugin-typespec": "^1.9.0",

typespec-extension/package-lock.json

@@ -30,12 +30,8 @@ public Response<ConfidentialResource> getByResourceGroupWithResponse(String reso
         String confidentialResourceName, Context context) {
         Response<ConfidentialResourceInner> inner
             = this.serviceClient().getByResourceGroupWithResponse(resourceGroupName, confidentialResourceName, context);
-        if (inner != null) {
-            return new SimpleResponse<>(inner.getRequest(), inner.getStatusCode(), inner.getHeaders(),
-                new ConfidentialResourceImpl(inner.getValue(), this.manager()));
-        } else {
-            return null;
-        }
+        return new SimpleResponse<>(inner.getRequest(), inner.getStatusCode(), inner.getHeaders(),
+            new ConfidentialResourceImpl(inner.getValue(), this.manager()));
     }
 
     public ConfidentialResource getByResourceGroup(String resourceGroupName, String confidentialResourceName) {