[BUG][JAVA] oneOf/anyOf multiple constructors with same erasure #18548 (#18645)

* [BUG][JAVA] oneOf/anyOf multiple constructors with same erasure
#18548

* [BUG][JAVA] oneOf/anyOf multiple constructors with same erasure
#18548

samples/client/petstore/java/okhttp-gson/docs/DefaultApi.md

@@ -4,9 +4,127 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 
 | Method | HTTP request | Description |
 |------------- | ------------- | -------------|
+| [**fakeAnyOfWIthSameErasureGet**](DefaultApi.md#fakeAnyOfWIthSameErasureGet) | **GET** /fake/anyOfWIthSameErasure |  |
+| [**fakeOneOfWIthSameErasureGet**](DefaultApi.md#fakeOneOfWIthSameErasureGet) | **GET** /fake/oneOfWIthSameErasure |  |
 | [**fooGet**](DefaultApi.md#fooGet) | **GET** /foo |  |
 
 
+<a id="fakeAnyOfWIthSameErasureGet"></a>
+# **fakeAnyOfWIthSameErasureGet**
+> FakeAnyOfWIthSameErasureGet200Response fakeAnyOfWIthSameErasureGet()
+
+
+
+Test route, this shouldn&#39;t cause a compiler error
+
+### Example
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.DefaultApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+    DefaultApi apiInstance = new DefaultApi(defaultClient);
+    try {
+      FakeAnyOfWIthSameErasureGet200Response result = apiInstance.fakeAnyOfWIthSameErasureGet();
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling DefaultApi#fakeAnyOfWIthSameErasureGet");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+    }
+  }
+}
+```
+
+### Parameters
+This endpoint does not need any parameter.
+
+### Return type
+
+[**FakeAnyOfWIthSameErasureGet200Response**](FakeAnyOfWIthSameErasureGet200Response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful response |  -  |
+
+<a id="fakeOneOfWIthSameErasureGet"></a>
+# **fakeOneOfWIthSameErasureGet**
+> FakeOneOfWIthSameErasureGet200Response fakeOneOfWIthSameErasureGet()
+
+
+
+Test route, this shouldn&#39;t cause a compiler error
+
+### Example
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.DefaultApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+    DefaultApi apiInstance = new DefaultApi(defaultClient);
+    try {
+      FakeOneOfWIthSameErasureGet200Response result = apiInstance.fakeOneOfWIthSameErasureGet();
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling DefaultApi#fakeOneOfWIthSameErasureGet");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+    }
+  }
+}
+```
+
+### Parameters
+This endpoint does not need any parameter.
+
+### Return type
+
+[**FakeOneOfWIthSameErasureGet200Response**](FakeOneOfWIthSameErasureGet200Response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful response |  -  |
+
 <a id="fooGet"></a>
 # **fooGet**
 > FooGetDefaultResponse fooGet()

samples/client/petstore/java/okhttp-gson/docs/FakeAnyOfWIthSameErasureGet200Response.md

@@ -0,0 +1,12 @@
+
+
+# FakeAnyOfWIthSameErasureGet200Response
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+
+
+

samples/client/petstore/java/okhttp-gson/docs/FakeOneOfWIthSameErasureGet200Response.md

@@ -0,0 +1,12 @@
+
+
+# FakeOneOfWIthSameErasureGet200Response
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+
+
+