diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/ModelUtils.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/ModelUtils.java
index 77b471c59c9..b8bf2bcd669 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/ModelUtils.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/ModelUtils.java
@@ -2128,7 +2128,7 @@ public class ModelUtils {
         }
 
         if (schema instanceof JsonSchema) {
-            if (schema.getTypes() != null) {
+            if (schema.getTypes() != null && !schema.getTypes().isEmpty()) {
                 return String.valueOf(schema.getTypes().iterator().next());
             } else {
                 return null;
diff --git a/modules/openapi-generator/src/test/resources/3_1/java/petstore.yaml b/modules/openapi-generator/src/test/resources/3_1/java/petstore.yaml
index 5877e4448fa..4b20b4fa28b 100644
--- a/modules/openapi-generator/src/test/resources/3_1/java/petstore.yaml
+++ b/modules/openapi-generator/src/test/resources/3_1/java/petstore.yaml
@@ -665,6 +665,47 @@ paths:
       responses:
         '200':
           description: Successful Response
+  "/fake/inline/schema/anyof/path1":
+    get:
+      tags:
+        - fake
+      responses:
+        '200':
+          description: ''
+          content:
+            application/json:
+              schema:
+                anyOf:
+                  - type: 'null'
+                  - "$ref": "#/components/schemas/myObject"
+  "/fake/inline/schema/anyof/path2":
+    get:
+      tags:
+        - fake
+      responses:
+        '200':
+          description: ''
+          content:
+            application/json:
+              schema:
+                anyOf:
+                  - "$ref": "#/components/schemas/myObject"
+                  - type: 'null'
+  "/fake/inline/schema/anyof/path3":
+    get:
+      tags:
+        - fake
+      responses:
+        '200':
+          description: ''
+          content:
+            application/json:
+              schema:
+                anyOf:
+                  - type: array
+                    items:
+                      "$ref": "#/components/schemas/myObject"
+                  - type: 'null'
 externalDocs:
   description: Find out more about Swagger
   url: 'http://swagger.io'
@@ -981,3 +1022,5 @@ components:
     AllOfSimpleModel:
       allOf:
         - $ref: '#/components/schemas/SimpleModelWithArrayProperty'
+    myObject:
+      type: object
\ No newline at end of file
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/README.md b/samples/client/petstore/java/okhttp-gson-3.1/README.md
index ef09be2b770..4e0b2c0ce5f 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/README.md
+++ b/samples/client/petstore/java/okhttp-gson-3.1/README.md
@@ -93,10 +93,10 @@ public class Example {
 
     FakeApi apiInstance = new FakeApi(defaultClient);
     try {
-      Object result = apiInstance.op1();
+      Object result = apiInstance.fakeInlineSchemaAnyofPath1Get();
       System.out.println(result);
     } catch (ApiException e) {
-      System.err.println("Exception when calling FakeApi#op1");
+      System.err.println("Exception when calling FakeApi#fakeInlineSchemaAnyofPath1Get");
       System.err.println("Status code: " + e.getCode());
       System.err.println("Reason: " + e.getResponseBody());
       System.err.println("Response headers: " + e.getResponseHeaders());
@@ -113,6 +113,9 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Class | Method | HTTP request | Description
 ------------ | ------------- | ------------- | -------------
+*FakeApi* | [**fakeInlineSchemaAnyofPath1Get**](docs/FakeApi.md#fakeInlineSchemaAnyofPath1Get) | **GET** /fake/inline/schema/anyof/path1 | 
+*FakeApi* | [**fakeInlineSchemaAnyofPath2Get**](docs/FakeApi.md#fakeInlineSchemaAnyofPath2Get) | **GET** /fake/inline/schema/anyof/path2 | 
+*FakeApi* | [**fakeInlineSchemaAnyofPath3Get**](docs/FakeApi.md#fakeInlineSchemaAnyofPath3Get) | **GET** /fake/inline/schema/anyof/path3 | 
 *FakeApi* | [**op1**](docs/FakeApi.md#op1) | **POST** /fake/api/changeowner | op1
 *FakeApi* | [**op2**](docs/FakeApi.md#op2) | **POST** /fake/api/changename | op2
 *FakeApi* | [**op3**](docs/FakeApi.md#op3) | **POST** /fake/api/query/enum | op3
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/api/openapi.yaml b/samples/client/petstore/java/okhttp-gson-3.1/api/openapi.yaml
index 4f61199e49a..262309383b0 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/api/openapi.yaml
+++ b/samples/client/petstore/java/okhttp-gson-3.1/api/openapi.yaml
@@ -751,6 +751,47 @@ paths:
       - fake
       x-accepts:
       - application/json
+  /fake/inline/schema/anyof/path1:
+    get:
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/myObject'
+          description: ""
+      tags:
+      - fake
+      x-accepts:
+      - application/json
+  /fake/inline/schema/anyof/path2:
+    get:
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/myObject'
+          description: ""
+      tags:
+      - fake
+      x-accepts:
+      - application/json
+  /fake/inline/schema/anyof/path3:
+    get:
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                items:
+                  $ref: '#/components/schemas/myObject'
+                nullable: true
+          description: ""
+      tags:
+      - fake
+      x-accepts:
+      - application/json
 components:
   parameters:
     ref_to_uuid:
@@ -1074,6 +1115,8 @@ components:
     AllOfSimpleModel:
       allOf:
       - $ref: '#/components/schemas/SimpleModelWithArrayProperty'
+    myObject:
+      type: object
     updatePetWithForm_request:
       properties:
         name:
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/docs/FakeApi.md b/samples/client/petstore/java/okhttp-gson-3.1/docs/FakeApi.md
index 12709419253..19db959c0ed 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/docs/FakeApi.md
+++ b/samples/client/petstore/java/okhttp-gson-3.1/docs/FakeApi.md
@@ -4,6 +4,9 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 | Method | HTTP request | Description |
 |------------- | ------------- | -------------|
+| [**fakeInlineSchemaAnyofPath1Get**](FakeApi.md#fakeInlineSchemaAnyofPath1Get) | **GET** /fake/inline/schema/anyof/path1 |  |
+| [**fakeInlineSchemaAnyofPath2Get**](FakeApi.md#fakeInlineSchemaAnyofPath2Get) | **GET** /fake/inline/schema/anyof/path2 |  |
+| [**fakeInlineSchemaAnyofPath3Get**](FakeApi.md#fakeInlineSchemaAnyofPath3Get) | **GET** /fake/inline/schema/anyof/path3 |  |
 | [**op1**](FakeApi.md#op1) | **POST** /fake/api/changeowner | op1 |
 | [**op2**](FakeApi.md#op2) | **POST** /fake/api/changename | op2 |
 | [**op3**](FakeApi.md#op3) | **POST** /fake/api/query/enum | op3 |
@@ -13,6 +16,174 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 | [**responseRefToRef**](FakeApi.md#responseRefToRef) | **GET** /ref/ref |  |
 
 
+<a id="fakeInlineSchemaAnyofPath1Get"></a>
+# **fakeInlineSchemaAnyofPath1Get**
+> Object fakeInlineSchemaAnyofPath1Get()
+
+
+
+### 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.FakeApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io/v2");
+
+    FakeApi apiInstance = new FakeApi(defaultClient);
+    try {
+      Object result = apiInstance.fakeInlineSchemaAnyofPath1Get();
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling FakeApi#fakeInlineSchemaAnyofPath1Get");
+      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
+
+**Object**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** |  |  -  |
+
+<a id="fakeInlineSchemaAnyofPath2Get"></a>
+# **fakeInlineSchemaAnyofPath2Get**
+> Object fakeInlineSchemaAnyofPath2Get()
+
+
+
+### 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.FakeApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io/v2");
+
+    FakeApi apiInstance = new FakeApi(defaultClient);
+    try {
+      Object result = apiInstance.fakeInlineSchemaAnyofPath2Get();
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling FakeApi#fakeInlineSchemaAnyofPath2Get");
+      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
+
+**Object**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** |  |  -  |
+
+<a id="fakeInlineSchemaAnyofPath3Get"></a>
+# **fakeInlineSchemaAnyofPath3Get**
+> List&lt;Object&gt; fakeInlineSchemaAnyofPath3Get()
+
+
+
+### 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.FakeApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io/v2");
+
+    FakeApi apiInstance = new FakeApi(defaultClient);
+    try {
+      List<Object> result = apiInstance.fakeInlineSchemaAnyofPath3Get();
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling FakeApi#fakeInlineSchemaAnyofPath3Get");
+      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
+
+**List&lt;Object&gt;**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** |  |  -  |
+
 <a id="op1"></a>
 # **op1**
 > Object op1()
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/api/FakeApi.java b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/api/FakeApi.java
index 198eb7a1ba6..67436864a00 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/api/FakeApi.java
+++ b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/api/FakeApi.java
@@ -73,6 +73,345 @@ public class FakeApi {
         this.localCustomBaseUrl = customBaseUrl;
     }
 
+    /**
+     * Build call for fakeInlineSchemaAnyofPath1Get
+     * @param _callback Callback for upload/download progress
+     * @return Call to execute
+     * @throws ApiException If fail to serialize the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath1GetCall(final ApiCallback _callback) throws ApiException {
+        String basePath = null;
+        // Operation Servers
+        String[] localBasePaths = new String[] {  };
+
+        // Determine Base Path to Use
+        if (localCustomBaseUrl != null){
+            basePath = localCustomBaseUrl;
+        } else if ( localBasePaths.length > 0 ) {
+            basePath = localBasePaths[localHostIndex];
+        } else {
+            basePath = null;
+        }
+
+        Object localVarPostBody = null;
+
+        // create path and map variables
+        String localVarPath = "/fake/inline/schema/anyof/path1";
+
+        List<Pair> localVarQueryParams = new ArrayList<Pair>();
+        List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+        Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+        Map<String, String> localVarCookieParams = new HashMap<String, String>();
+        Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+        final String[] localVarAccepts = {
+            "application/json"
+        };
+        final String localVarAccept = localVarApiClient.selectHeaderAccept(localVarAccepts);
+        if (localVarAccept != null) {
+            localVarHeaderParams.put("Accept", localVarAccept);
+        }
+
+        final String[] localVarContentTypes = {
+        };
+        final String localVarContentType = localVarApiClient.selectHeaderContentType(localVarContentTypes);
+        if (localVarContentType != null) {
+            localVarHeaderParams.put("Content-Type", localVarContentType);
+        }
+
+        String[] localVarAuthNames = new String[] {  };
+        return localVarApiClient.buildCall(basePath, localVarPath, "GET", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarCookieParams, localVarFormParams, localVarAuthNames, _callback);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private okhttp3.Call fakeInlineSchemaAnyofPath1GetValidateBeforeCall(final ApiCallback _callback) throws ApiException {
+        return fakeInlineSchemaAnyofPath1GetCall(_callback);
+
+    }
+
+    /**
+     * 
+     * 
+     * @return Object
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public Object fakeInlineSchemaAnyofPath1Get() throws ApiException {
+        ApiResponse<Object> localVarResp = fakeInlineSchemaAnyofPath1GetWithHttpInfo();
+        return localVarResp.getData();
+    }
+
+    /**
+     * 
+     * 
+     * @return ApiResponse&lt;Object&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public ApiResponse<Object> fakeInlineSchemaAnyofPath1GetWithHttpInfo() throws ApiException {
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath1GetValidateBeforeCall(null);
+        Type localVarReturnType = new TypeToken<Object>(){}.getType();
+        return localVarApiClient.execute(localVarCall, localVarReturnType);
+    }
+
+    /**
+     *  (asynchronously)
+     * 
+     * @param _callback The callback to be executed when the API call finishes
+     * @return The request call
+     * @throws ApiException If fail to process the API call, e.g. serializing the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath1GetAsync(final ApiCallback<Object> _callback) throws ApiException {
+
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath1GetValidateBeforeCall(_callback);
+        Type localVarReturnType = new TypeToken<Object>(){}.getType();
+        localVarApiClient.executeAsync(localVarCall, localVarReturnType, _callback);
+        return localVarCall;
+    }
+    /**
+     * Build call for fakeInlineSchemaAnyofPath2Get
+     * @param _callback Callback for upload/download progress
+     * @return Call to execute
+     * @throws ApiException If fail to serialize the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath2GetCall(final ApiCallback _callback) throws ApiException {
+        String basePath = null;
+        // Operation Servers
+        String[] localBasePaths = new String[] {  };
+
+        // Determine Base Path to Use
+        if (localCustomBaseUrl != null){
+            basePath = localCustomBaseUrl;
+        } else if ( localBasePaths.length > 0 ) {
+            basePath = localBasePaths[localHostIndex];
+        } else {
+            basePath = null;
+        }
+
+        Object localVarPostBody = null;
+
+        // create path and map variables
+        String localVarPath = "/fake/inline/schema/anyof/path2";
+
+        List<Pair> localVarQueryParams = new ArrayList<Pair>();
+        List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+        Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+        Map<String, String> localVarCookieParams = new HashMap<String, String>();
+        Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+        final String[] localVarAccepts = {
+            "application/json"
+        };
+        final String localVarAccept = localVarApiClient.selectHeaderAccept(localVarAccepts);
+        if (localVarAccept != null) {
+            localVarHeaderParams.put("Accept", localVarAccept);
+        }
+
+        final String[] localVarContentTypes = {
+        };
+        final String localVarContentType = localVarApiClient.selectHeaderContentType(localVarContentTypes);
+        if (localVarContentType != null) {
+            localVarHeaderParams.put("Content-Type", localVarContentType);
+        }
+
+        String[] localVarAuthNames = new String[] {  };
+        return localVarApiClient.buildCall(basePath, localVarPath, "GET", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarCookieParams, localVarFormParams, localVarAuthNames, _callback);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private okhttp3.Call fakeInlineSchemaAnyofPath2GetValidateBeforeCall(final ApiCallback _callback) throws ApiException {
+        return fakeInlineSchemaAnyofPath2GetCall(_callback);
+
+    }
+
+    /**
+     * 
+     * 
+     * @return Object
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public Object fakeInlineSchemaAnyofPath2Get() throws ApiException {
+        ApiResponse<Object> localVarResp = fakeInlineSchemaAnyofPath2GetWithHttpInfo();
+        return localVarResp.getData();
+    }
+
+    /**
+     * 
+     * 
+     * @return ApiResponse&lt;Object&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public ApiResponse<Object> fakeInlineSchemaAnyofPath2GetWithHttpInfo() throws ApiException {
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath2GetValidateBeforeCall(null);
+        Type localVarReturnType = new TypeToken<Object>(){}.getType();
+        return localVarApiClient.execute(localVarCall, localVarReturnType);
+    }
+
+    /**
+     *  (asynchronously)
+     * 
+     * @param _callback The callback to be executed when the API call finishes
+     * @return The request call
+     * @throws ApiException If fail to process the API call, e.g. serializing the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath2GetAsync(final ApiCallback<Object> _callback) throws ApiException {
+
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath2GetValidateBeforeCall(_callback);
+        Type localVarReturnType = new TypeToken<Object>(){}.getType();
+        localVarApiClient.executeAsync(localVarCall, localVarReturnType, _callback);
+        return localVarCall;
+    }
+    /**
+     * Build call for fakeInlineSchemaAnyofPath3Get
+     * @param _callback Callback for upload/download progress
+     * @return Call to execute
+     * @throws ApiException If fail to serialize the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath3GetCall(final ApiCallback _callback) throws ApiException {
+        String basePath = null;
+        // Operation Servers
+        String[] localBasePaths = new String[] {  };
+
+        // Determine Base Path to Use
+        if (localCustomBaseUrl != null){
+            basePath = localCustomBaseUrl;
+        } else if ( localBasePaths.length > 0 ) {
+            basePath = localBasePaths[localHostIndex];
+        } else {
+            basePath = null;
+        }
+
+        Object localVarPostBody = null;
+
+        // create path and map variables
+        String localVarPath = "/fake/inline/schema/anyof/path3";
+
+        List<Pair> localVarQueryParams = new ArrayList<Pair>();
+        List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+        Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+        Map<String, String> localVarCookieParams = new HashMap<String, String>();
+        Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+        final String[] localVarAccepts = {
+            "application/json"
+        };
+        final String localVarAccept = localVarApiClient.selectHeaderAccept(localVarAccepts);
+        if (localVarAccept != null) {
+            localVarHeaderParams.put("Accept", localVarAccept);
+        }
+
+        final String[] localVarContentTypes = {
+        };
+        final String localVarContentType = localVarApiClient.selectHeaderContentType(localVarContentTypes);
+        if (localVarContentType != null) {
+            localVarHeaderParams.put("Content-Type", localVarContentType);
+        }
+
+        String[] localVarAuthNames = new String[] {  };
+        return localVarApiClient.buildCall(basePath, localVarPath, "GET", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarCookieParams, localVarFormParams, localVarAuthNames, _callback);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private okhttp3.Call fakeInlineSchemaAnyofPath3GetValidateBeforeCall(final ApiCallback _callback) throws ApiException {
+        return fakeInlineSchemaAnyofPath3GetCall(_callback);
+
+    }
+
+    /**
+     * 
+     * 
+     * @return List&lt;Object&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public List<Object> fakeInlineSchemaAnyofPath3Get() throws ApiException {
+        ApiResponse<List<Object>> localVarResp = fakeInlineSchemaAnyofPath3GetWithHttpInfo();
+        return localVarResp.getData();
+    }
+
+    /**
+     * 
+     * 
+     * @return ApiResponse&lt;List&lt;Object&gt;&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public ApiResponse<List<Object>> fakeInlineSchemaAnyofPath3GetWithHttpInfo() throws ApiException {
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath3GetValidateBeforeCall(null);
+        Type localVarReturnType = new TypeToken<List<Object>>(){}.getType();
+        return localVarApiClient.execute(localVarCall, localVarReturnType);
+    }
+
+    /**
+     *  (asynchronously)
+     * 
+     * @param _callback The callback to be executed when the API call finishes
+     * @return The request call
+     * @throws ApiException If fail to process the API call, e.g. serializing the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td>  </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call fakeInlineSchemaAnyofPath3GetAsync(final ApiCallback<List<Object>> _callback) throws ApiException {
+
+        okhttp3.Call localVarCall = fakeInlineSchemaAnyofPath3GetValidateBeforeCall(_callback);
+        Type localVarReturnType = new TypeToken<List<Object>>(){}.getType();
+        localVarApiClient.executeAsync(localVarCall, localVarReturnType, _callback);
+        return localVarCall;
+    }
     /**
      * Build call for op1
      * @param _callback Callback for upload/download progress