diff --git a/core b/core
index e6cf27481b..bdef8c0b9c 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit e6cf27481b40f7b09e83c249cf3607bd6e1e3b99
+Subproject commit bdef8c0b9cc8cec9cd4e0cbe2b706bebd3688067
diff --git a/typespec-tests/src/main/java/tsptest/armstreamstyleserialization/models/SawShark.java b/typespec-tests/src/main/java/tsptest/armstreamstyleserialization/models/SawShark.java
index dad701b3bc..49590e9c11 100644
--- a/typespec-tests/src/main/java/tsptest/armstreamstyleserialization/models/SawShark.java
+++ b/typespec-tests/src/main/java/tsptest/armstreamstyleserialization/models/SawShark.java
@@ -276,7 +276,6 @@ public void validate() {
public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
jsonWriter.writeStartObject();
jsonWriter.writeStringField("kind", this.kind);
- jsonWriter.writeIntField("age", age());
jsonWriter.writeJsonField("properties", innerProperties());
jsonWriter.writeJsonField("anotherProperties", innerAnotherProperties());
jsonWriter.writeStringField("dna", this.dna);
diff --git a/typespec-tests/src/main/java/tsptest/subclass/SubclassAsyncClient.java b/typespec-tests/src/main/java/tsptest/subclass/SubclassAsyncClient.java
new file mode 100644
index 0000000000..b1dde9b3e0
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/SubclassAsyncClient.java
@@ -0,0 +1,115 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.ReturnType;
+import com.azure.core.annotation.ServiceClient;
+import com.azure.core.annotation.ServiceMethod;
+import com.azure.core.exception.ClientAuthenticationException;
+import com.azure.core.exception.HttpResponseException;
+import com.azure.core.exception.ResourceModifiedException;
+import com.azure.core.exception.ResourceNotFoundException;
+import com.azure.core.http.rest.RequestOptions;
+import com.azure.core.http.rest.Response;
+import com.azure.core.util.BinaryData;
+import com.azure.core.util.FluxUtil;
+import reactor.core.publisher.Mono;
+import tsptest.subclass.implementation.SubclassImpl;
+import tsptest.subclass.models.Body;
+
+/**
+ * Initializes a new instance of the asynchronous SubclassClient type.
+ */
+@ServiceClient(builder = SubclassClientBuilder.class, isAsync = true)
+public final class SubclassAsyncClient {
+ @Generated
+ private final SubclassImpl serviceClient;
+
+ /**
+ * Initializes an instance of SubclassAsyncClient class.
+ *
+ * @param serviceClient the service client implementation.
+ */
+ @Generated
+ SubclassAsyncClient(SubclassImpl serviceClient) {
+ this.serviceClient = serviceClient;
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ * Request Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * Response Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * @param body The body parameter.
+ * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @return the response body along with {@link Response} on successful completion of {@link Mono}.
+ */
+ @Generated
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Mono> propertyInSubclassWithResponse(BinaryData body, RequestOptions requestOptions) {
+ return this.serviceClient.propertyInSubclassWithResponseAsync(body, requestOptions);
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ *
+ * @param body The body parameter.
+ * @throws IllegalArgumentException thrown if parameters fail the validation.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
+ * @return the response body on successful completion of {@link Mono}.
+ */
+ @Generated
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Mono propertyInSubclass(Body body) {
+ // Generated convenience method for propertyInSubclassWithResponse
+ RequestOptions requestOptions = new RequestOptions();
+ return propertyInSubclassWithResponse(BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+ .map(protocolMethodData -> protocolMethodData.toObject(Body.class));
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/SubclassClient.java b/typespec-tests/src/main/java/tsptest/subclass/SubclassClient.java
new file mode 100644
index 0000000000..775c767336
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/SubclassClient.java
@@ -0,0 +1,113 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.ReturnType;
+import com.azure.core.annotation.ServiceClient;
+import com.azure.core.annotation.ServiceMethod;
+import com.azure.core.exception.ClientAuthenticationException;
+import com.azure.core.exception.HttpResponseException;
+import com.azure.core.exception.ResourceModifiedException;
+import com.azure.core.exception.ResourceNotFoundException;
+import com.azure.core.http.rest.RequestOptions;
+import com.azure.core.http.rest.Response;
+import com.azure.core.util.BinaryData;
+import tsptest.subclass.implementation.SubclassImpl;
+import tsptest.subclass.models.Body;
+
+/**
+ * Initializes a new instance of the synchronous SubclassClient type.
+ */
+@ServiceClient(builder = SubclassClientBuilder.class)
+public final class SubclassClient {
+ @Generated
+ private final SubclassImpl serviceClient;
+
+ /**
+ * Initializes an instance of SubclassClient class.
+ *
+ * @param serviceClient the service client implementation.
+ */
+ @Generated
+ SubclassClient(SubclassImpl serviceClient) {
+ this.serviceClient = serviceClient;
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ * Request Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * Response Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * @param body The body parameter.
+ * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @return the response body along with {@link Response}.
+ */
+ @Generated
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Response propertyInSubclassWithResponse(BinaryData body, RequestOptions requestOptions) {
+ return this.serviceClient.propertyInSubclassWithResponse(body, requestOptions);
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ *
+ * @param body The body parameter.
+ * @throws IllegalArgumentException thrown if parameters fail the validation.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
+ * @return the response.
+ */
+ @Generated
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Body propertyInSubclass(Body body) {
+ // Generated convenience method for propertyInSubclassWithResponse
+ RequestOptions requestOptions = new RequestOptions();
+ return propertyInSubclassWithResponse(BinaryData.fromObject(body), requestOptions).getValue()
+ .toObject(Body.class);
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/SubclassClientBuilder.java b/typespec-tests/src/main/java/tsptest/subclass/SubclassClientBuilder.java
new file mode 100644
index 0000000000..13b233af8f
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/SubclassClientBuilder.java
@@ -0,0 +1,287 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.ServiceClientBuilder;
+import com.azure.core.client.traits.ConfigurationTrait;
+import com.azure.core.client.traits.EndpointTrait;
+import com.azure.core.client.traits.HttpTrait;
+import com.azure.core.http.HttpClient;
+import com.azure.core.http.HttpHeaders;
+import com.azure.core.http.HttpPipeline;
+import com.azure.core.http.HttpPipelineBuilder;
+import com.azure.core.http.HttpPipelinePosition;
+import com.azure.core.http.policy.AddDatePolicy;
+import com.azure.core.http.policy.AddHeadersFromContextPolicy;
+import com.azure.core.http.policy.AddHeadersPolicy;
+import com.azure.core.http.policy.HttpLogOptions;
+import com.azure.core.http.policy.HttpLoggingPolicy;
+import com.azure.core.http.policy.HttpPipelinePolicy;
+import com.azure.core.http.policy.HttpPolicyProviders;
+import com.azure.core.http.policy.RequestIdPolicy;
+import com.azure.core.http.policy.RetryOptions;
+import com.azure.core.http.policy.RetryPolicy;
+import com.azure.core.http.policy.UserAgentPolicy;
+import com.azure.core.util.ClientOptions;
+import com.azure.core.util.Configuration;
+import com.azure.core.util.CoreUtils;
+import com.azure.core.util.builder.ClientBuilderUtil;
+import com.azure.core.util.logging.ClientLogger;
+import com.azure.core.util.serializer.JacksonAdapter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import tsptest.subclass.implementation.SubclassClientImpl;
+
+/**
+ * A builder for creating a new instance of the SubclassClient type.
+ */
+@ServiceClientBuilder(serviceClients = { SubclassClient.class, SubclassAsyncClient.class })
+public final class SubclassClientBuilder implements HttpTrait,
+ ConfigurationTrait, EndpointTrait {
+ @Generated
+ private static final String SDK_NAME = "name";
+
+ @Generated
+ private static final String SDK_VERSION = "version";
+
+ @Generated
+ private static final Map PROPERTIES = CoreUtils.getProperties("tsptest-subclass.properties");
+
+ @Generated
+ private final List pipelinePolicies;
+
+ /**
+ * Create an instance of the SubclassClientBuilder.
+ */
+ @Generated
+ public SubclassClientBuilder() {
+ this.pipelinePolicies = new ArrayList<>();
+ }
+
+ /*
+ * The HTTP client used to send the request.
+ */
+ @Generated
+ private HttpClient httpClient;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder httpClient(HttpClient httpClient) {
+ this.httpClient = httpClient;
+ return this;
+ }
+
+ /*
+ * The HTTP pipeline to send requests through.
+ */
+ @Generated
+ private HttpPipeline pipeline;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder pipeline(HttpPipeline pipeline) {
+ if (this.pipeline != null && pipeline == null) {
+ LOGGER.atInfo().log("HttpPipeline is being set to 'null' when it was previously configured.");
+ }
+ this.pipeline = pipeline;
+ return this;
+ }
+
+ /*
+ * The logging configuration for HTTP requests and responses.
+ */
+ @Generated
+ private HttpLogOptions httpLogOptions;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder httpLogOptions(HttpLogOptions httpLogOptions) {
+ this.httpLogOptions = httpLogOptions;
+ return this;
+ }
+
+ /*
+ * The client options such as application ID and custom headers to set on a request.
+ */
+ @Generated
+ private ClientOptions clientOptions;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder clientOptions(ClientOptions clientOptions) {
+ this.clientOptions = clientOptions;
+ return this;
+ }
+
+ /*
+ * The retry options to configure retry policy for failed requests.
+ */
+ @Generated
+ private RetryOptions retryOptions;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder retryOptions(RetryOptions retryOptions) {
+ this.retryOptions = retryOptions;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder addPolicy(HttpPipelinePolicy customPolicy) {
+ Objects.requireNonNull(customPolicy, "'customPolicy' cannot be null.");
+ pipelinePolicies.add(customPolicy);
+ return this;
+ }
+
+ /*
+ * The configuration store that is used during construction of the service client.
+ */
+ @Generated
+ private Configuration configuration;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder configuration(Configuration configuration) {
+ this.configuration = configuration;
+ return this;
+ }
+
+ /*
+ * The service endpoint
+ */
+ @Generated
+ private String endpoint;
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Generated
+ @Override
+ public SubclassClientBuilder endpoint(String endpoint) {
+ this.endpoint = endpoint;
+ return this;
+ }
+
+ /*
+ * The retry policy that will attempt to retry failed requests, if applicable.
+ */
+ @Generated
+ private RetryPolicy retryPolicy;
+
+ /**
+ * Sets The retry policy that will attempt to retry failed requests, if applicable.
+ *
+ * @param retryPolicy the retryPolicy value.
+ * @return the SubclassClientBuilder.
+ */
+ @Generated
+ public SubclassClientBuilder retryPolicy(RetryPolicy retryPolicy) {
+ this.retryPolicy = retryPolicy;
+ return this;
+ }
+
+ /**
+ * Builds an instance of SubclassClientImpl with the provided parameters.
+ *
+ * @return an instance of SubclassClientImpl.
+ */
+ @Generated
+ private SubclassClientImpl buildInnerClient() {
+ this.validateClient();
+ HttpPipeline localPipeline = (pipeline != null) ? pipeline : createHttpPipeline();
+ SubclassClientImpl client
+ = new SubclassClientImpl(localPipeline, JacksonAdapter.createDefaultSerializerAdapter(), this.endpoint);
+ return client;
+ }
+
+ @Generated
+ private void validateClient() {
+ // This method is invoked from 'buildInnerClient'/'buildClient' method.
+ // Developer can customize this method, to validate that the necessary conditions are met for the new client.
+ Objects.requireNonNull(endpoint, "'endpoint' cannot be null.");
+ }
+
+ @Generated
+ private HttpPipeline createHttpPipeline() {
+ Configuration buildConfiguration
+ = (configuration == null) ? Configuration.getGlobalConfiguration() : configuration;
+ HttpLogOptions localHttpLogOptions = this.httpLogOptions == null ? new HttpLogOptions() : this.httpLogOptions;
+ ClientOptions localClientOptions = this.clientOptions == null ? new ClientOptions() : this.clientOptions;
+ List policies = new ArrayList<>();
+ String clientName = PROPERTIES.getOrDefault(SDK_NAME, "UnknownName");
+ String clientVersion = PROPERTIES.getOrDefault(SDK_VERSION, "UnknownVersion");
+ String applicationId = CoreUtils.getApplicationId(localClientOptions, localHttpLogOptions);
+ policies.add(new UserAgentPolicy(applicationId, clientName, clientVersion, buildConfiguration));
+ policies.add(new RequestIdPolicy());
+ policies.add(new AddHeadersFromContextPolicy());
+ HttpHeaders headers = CoreUtils.createHttpHeadersFromClientOptions(localClientOptions);
+ if (headers != null) {
+ policies.add(new AddHeadersPolicy(headers));
+ }
+ this.pipelinePolicies.stream()
+ .filter(p -> p.getPipelinePosition() == HttpPipelinePosition.PER_CALL)
+ .forEach(p -> policies.add(p));
+ HttpPolicyProviders.addBeforeRetryPolicies(policies);
+ policies.add(ClientBuilderUtil.validateAndGetRetryPolicy(retryPolicy, retryOptions, new RetryPolicy()));
+ policies.add(new AddDatePolicy());
+ this.pipelinePolicies.stream()
+ .filter(p -> p.getPipelinePosition() == HttpPipelinePosition.PER_RETRY)
+ .forEach(p -> policies.add(p));
+ HttpPolicyProviders.addAfterRetryPolicies(policies);
+ policies.add(new HttpLoggingPolicy(localHttpLogOptions));
+ HttpPipeline httpPipeline = new HttpPipelineBuilder().policies(policies.toArray(new HttpPipelinePolicy[0]))
+ .httpClient(httpClient)
+ .clientOptions(localClientOptions)
+ .build();
+ return httpPipeline;
+ }
+
+ /**
+ * Builds an instance of SubclassAsyncClient class.
+ *
+ * @return an instance of SubclassAsyncClient.
+ */
+ @Generated
+ public SubclassAsyncClient buildAsyncClient() {
+ return new SubclassAsyncClient(buildInnerClient().getSubclass());
+ }
+
+ /**
+ * Builds an instance of SubclassClient class.
+ *
+ * @return an instance of SubclassClient.
+ */
+ @Generated
+ public SubclassClient buildClient() {
+ return new SubclassClient(buildInnerClient().getSubclass());
+ }
+
+ private static final ClientLogger LOGGER = new ClientLogger(SubclassClientBuilder.class);
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassClientImpl.java b/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassClientImpl.java
new file mode 100644
index 0000000000..5566742f36
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassClientImpl.java
@@ -0,0 +1,107 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.implementation;
+
+import com.azure.core.http.HttpPipeline;
+import com.azure.core.http.HttpPipelineBuilder;
+import com.azure.core.http.policy.RetryPolicy;
+import com.azure.core.http.policy.UserAgentPolicy;
+import com.azure.core.util.serializer.JacksonAdapter;
+import com.azure.core.util.serializer.SerializerAdapter;
+
+/**
+ * Initializes a new instance of the SubclassClient type.
+ */
+public final class SubclassClientImpl {
+ /**
+ * Service host.
+ */
+ private final String endpoint;
+
+ /**
+ * Gets Service host.
+ *
+ * @return the endpoint value.
+ */
+ public String getEndpoint() {
+ return this.endpoint;
+ }
+
+ /**
+ * The HTTP pipeline to send requests through.
+ */
+ private final HttpPipeline httpPipeline;
+
+ /**
+ * Gets The HTTP pipeline to send requests through.
+ *
+ * @return the httpPipeline value.
+ */
+ public HttpPipeline getHttpPipeline() {
+ return this.httpPipeline;
+ }
+
+ /**
+ * The serializer to serialize an object into a string.
+ */
+ private final SerializerAdapter serializerAdapter;
+
+ /**
+ * Gets The serializer to serialize an object into a string.
+ *
+ * @return the serializerAdapter value.
+ */
+ public SerializerAdapter getSerializerAdapter() {
+ return this.serializerAdapter;
+ }
+
+ /**
+ * The SubclassImpl object to access its operations.
+ */
+ private final SubclassImpl subclass;
+
+ /**
+ * Gets the SubclassImpl object to access its operations.
+ *
+ * @return the SubclassImpl object.
+ */
+ public SubclassImpl getSubclass() {
+ return this.subclass;
+ }
+
+ /**
+ * Initializes an instance of SubclassClient client.
+ *
+ * @param endpoint Service host.
+ */
+ public SubclassClientImpl(String endpoint) {
+ this(new HttpPipelineBuilder().policies(new UserAgentPolicy(), new RetryPolicy()).build(),
+ JacksonAdapter.createDefaultSerializerAdapter(), endpoint);
+ }
+
+ /**
+ * Initializes an instance of SubclassClient client.
+ *
+ * @param httpPipeline The HTTP pipeline to send requests through.
+ * @param endpoint Service host.
+ */
+ public SubclassClientImpl(HttpPipeline httpPipeline, String endpoint) {
+ this(httpPipeline, JacksonAdapter.createDefaultSerializerAdapter(), endpoint);
+ }
+
+ /**
+ * Initializes an instance of SubclassClient client.
+ *
+ * @param httpPipeline The HTTP pipeline to send requests through.
+ * @param serializerAdapter The serializer to serialize an object into a string.
+ * @param endpoint Service host.
+ */
+ public SubclassClientImpl(HttpPipeline httpPipeline, SerializerAdapter serializerAdapter, String endpoint) {
+ this.httpPipeline = httpPipeline;
+ this.serializerAdapter = serializerAdapter;
+ this.endpoint = endpoint;
+ this.subclass = new SubclassImpl(this);
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassImpl.java b/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassImpl.java
new file mode 100644
index 0000000000..92a552910a
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/implementation/SubclassImpl.java
@@ -0,0 +1,193 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.implementation;
+
+import com.azure.core.annotation.BodyParam;
+import com.azure.core.annotation.ExpectedResponses;
+import com.azure.core.annotation.HeaderParam;
+import com.azure.core.annotation.Host;
+import com.azure.core.annotation.HostParam;
+import com.azure.core.annotation.Post;
+import com.azure.core.annotation.ReturnType;
+import com.azure.core.annotation.ServiceInterface;
+import com.azure.core.annotation.ServiceMethod;
+import com.azure.core.annotation.UnexpectedResponseExceptionType;
+import com.azure.core.exception.ClientAuthenticationException;
+import com.azure.core.exception.HttpResponseException;
+import com.azure.core.exception.ResourceModifiedException;
+import com.azure.core.exception.ResourceNotFoundException;
+import com.azure.core.http.rest.RequestOptions;
+import com.azure.core.http.rest.Response;
+import com.azure.core.http.rest.RestProxy;
+import com.azure.core.util.BinaryData;
+import com.azure.core.util.Context;
+import com.azure.core.util.FluxUtil;
+import reactor.core.publisher.Mono;
+
+/**
+ * An instance of this class provides access to all the operations defined in Subclass.
+ */
+public final class SubclassImpl {
+ /**
+ * The proxy service used to perform REST calls.
+ */
+ private final SubclassService service;
+
+ /**
+ * The service client containing this operation class.
+ */
+ private final SubclassClientImpl client;
+
+ /**
+ * Initializes an instance of SubclassImpl.
+ *
+ * @param client the instance of the service client containing this operation class.
+ */
+ SubclassImpl(SubclassClientImpl client) {
+ this.service = RestProxy.create(SubclassService.class, client.getHttpPipeline(), client.getSerializerAdapter());
+ this.client = client;
+ }
+
+ /**
+ * The interface defining all the services for SubclassClientSubclass to be used by the proxy service to perform
+ * REST calls.
+ */
+ @Host("{endpoint}")
+ @ServiceInterface(name = "SubclassClientSubclass")
+ public interface SubclassService {
+ @Post("/subclass/property-in-subclass")
+ @ExpectedResponses({ 200 })
+ @UnexpectedResponseExceptionType(value = ClientAuthenticationException.class, code = { 401 })
+ @UnexpectedResponseExceptionType(value = ResourceNotFoundException.class, code = { 404 })
+ @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
+ @UnexpectedResponseExceptionType(HttpResponseException.class)
+ Mono> propertyInSubclass(@HostParam("endpoint") String endpoint,
+ @HeaderParam("Content-Type") String contentType, @HeaderParam("Accept") String accept,
+ @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+
+ @Post("/subclass/property-in-subclass")
+ @ExpectedResponses({ 200 })
+ @UnexpectedResponseExceptionType(value = ClientAuthenticationException.class, code = { 401 })
+ @UnexpectedResponseExceptionType(value = ResourceNotFoundException.class, code = { 404 })
+ @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
+ @UnexpectedResponseExceptionType(HttpResponseException.class)
+ Response propertyInSubclassSync(@HostParam("endpoint") String endpoint,
+ @HeaderParam("Content-Type") String contentType, @HeaderParam("Accept") String accept,
+ @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ * Request Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * Response Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * @param body The body parameter.
+ * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @return the response body along with {@link Response} on successful completion of {@link Mono}.
+ */
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Mono> propertyInSubclassWithResponseAsync(BinaryData body,
+ RequestOptions requestOptions) {
+ final String contentType = "application/json";
+ final String accept = "application/json";
+ return FluxUtil.withContext(context -> service.propertyInSubclass(this.client.getEndpoint(), contentType,
+ accept, body, requestOptions, context));
+ }
+
+ /**
+ * The propertyInSubclass operation.
+ * Request Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * Response Body Schema
+ *
+ *
+ * {@code
+ * {
+ * duplicateRequiredProperty (Optional): {
+ * property: String (Required)
+ * duplicateRequiredProperty: String (Required)
+ * }
+ * propertyChangedToRequired (Optional): {
+ * propertyChangedToRequired: String (Required)
+ * }
+ * propertyChangedToConstant (Optional): {
+ * propertyChangedToConstant: String (Required)
+ * }
+ * }
+ * }
+ *
+ *
+ * @param body The body parameter.
+ * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
+ * @throws HttpResponseException thrown if the request is rejected by server.
+ * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
+ * @throws ResourceNotFoundException thrown if the request is rejected by server on status code 404.
+ * @throws ResourceModifiedException thrown if the request is rejected by server on status code 409.
+ * @return the response body along with {@link Response}.
+ */
+ @ServiceMethod(returns = ReturnType.SINGLE)
+ public Response propertyInSubclassWithResponse(BinaryData body, RequestOptions requestOptions) {
+ final String contentType = "application/json";
+ final String accept = "application/json";
+ return service.propertyInSubclassSync(this.client.getEndpoint(), contentType, accept, body, requestOptions,
+ Context.NONE);
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/implementation/package-info.java b/typespec-tests/src/main/java/tsptest/subclass/implementation/package-info.java
new file mode 100644
index 0000000000..4cc0977cd8
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/implementation/package-info.java
@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+/**
+ *
+ * Package containing the implementations for Subclass.
+ *
+ */
+package tsptest.subclass.implementation;
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/Body.java b/typespec-tests/src/main/java/tsptest/subclass/models/Body.java
new file mode 100644
index 0000000000..432ee35a8b
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/Body.java
@@ -0,0 +1,154 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Fluent;
+import com.azure.core.annotation.Generated;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonSerializable;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The Body model.
+ */
+@Fluent
+public final class Body implements JsonSerializable {
+ /*
+ * The duplicateRequiredProperty property.
+ */
+ @Generated
+ private DuplicateRequiredProperty duplicateRequiredProperty;
+
+ /*
+ * The propertyChangedToRequired property.
+ */
+ @Generated
+ private PropertyChangedToRequired propertyChangedToRequired;
+
+ /*
+ * The propertyChangedToConstant property.
+ */
+ @Generated
+ private PropertyChangedToConstant propertyChangedToConstant;
+
+ /**
+ * Creates an instance of Body class.
+ */
+ @Generated
+ public Body() {
+ }
+
+ /**
+ * Get the duplicateRequiredProperty property: The duplicateRequiredProperty property.
+ *
+ * @return the duplicateRequiredProperty value.
+ */
+ @Generated
+ public DuplicateRequiredProperty getDuplicateRequiredProperty() {
+ return this.duplicateRequiredProperty;
+ }
+
+ /**
+ * Set the duplicateRequiredProperty property: The duplicateRequiredProperty property.
+ *
+ * @param duplicateRequiredProperty the duplicateRequiredProperty value to set.
+ * @return the Body object itself.
+ */
+ @Generated
+ public Body setDuplicateRequiredProperty(DuplicateRequiredProperty duplicateRequiredProperty) {
+ this.duplicateRequiredProperty = duplicateRequiredProperty;
+ return this;
+ }
+
+ /**
+ * Get the propertyChangedToRequired property: The propertyChangedToRequired property.
+ *
+ * @return the propertyChangedToRequired value.
+ */
+ @Generated
+ public PropertyChangedToRequired getPropertyChangedToRequired() {
+ return this.propertyChangedToRequired;
+ }
+
+ /**
+ * Set the propertyChangedToRequired property: The propertyChangedToRequired property.
+ *
+ * @param propertyChangedToRequired the propertyChangedToRequired value to set.
+ * @return the Body object itself.
+ */
+ @Generated
+ public Body setPropertyChangedToRequired(PropertyChangedToRequired propertyChangedToRequired) {
+ this.propertyChangedToRequired = propertyChangedToRequired;
+ return this;
+ }
+
+ /**
+ * Get the propertyChangedToConstant property: The propertyChangedToConstant property.
+ *
+ * @return the propertyChangedToConstant value.
+ */
+ @Generated
+ public PropertyChangedToConstant getPropertyChangedToConstant() {
+ return this.propertyChangedToConstant;
+ }
+
+ /**
+ * Set the propertyChangedToConstant property: The propertyChangedToConstant property.
+ *
+ * @param propertyChangedToConstant the propertyChangedToConstant value to set.
+ * @return the Body object itself.
+ */
+ @Generated
+ public Body setPropertyChangedToConstant(PropertyChangedToConstant propertyChangedToConstant) {
+ this.propertyChangedToConstant = propertyChangedToConstant;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeJsonField("duplicateRequiredProperty", this.duplicateRequiredProperty);
+ jsonWriter.writeJsonField("propertyChangedToRequired", this.propertyChangedToRequired);
+ jsonWriter.writeJsonField("propertyChangedToConstant", this.propertyChangedToConstant);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of Body from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of Body if the JsonReader was pointing to an instance of it, or null if it was pointing to
+ * JSON null.
+ * @throws IOException If an error occurs while reading the Body.
+ */
+ @Generated
+ public static Body fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ Body deserializedBody = new Body();
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("duplicateRequiredProperty".equals(fieldName)) {
+ deserializedBody.duplicateRequiredProperty = DuplicateRequiredProperty.fromJson(reader);
+ } else if ("propertyChangedToRequired".equals(fieldName)) {
+ deserializedBody.propertyChangedToRequired = PropertyChangedToRequired.fromJson(reader);
+ } else if ("propertyChangedToConstant".equals(fieldName)) {
+ deserializedBody.propertyChangedToConstant = PropertyChangedToConstant.fromJson(reader);
+ } else {
+ reader.skipChildren();
+ }
+ }
+
+ return deserializedBody;
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredProperty.java b/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredProperty.java
new file mode 100644
index 0000000000..0444173953
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredProperty.java
@@ -0,0 +1,88 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.Immutable;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The DuplicateRequiredProperty model.
+ */
+@Immutable
+public final class DuplicateRequiredProperty extends DuplicateRequiredPropertyParent {
+ /*
+ * The duplicateRequiredProperty property.
+ */
+ @Generated
+ private final String newRequiredProperty;
+
+ /**
+ * Creates an instance of DuplicateRequiredProperty class.
+ *
+ * @param requiredProperty the requiredProperty value to set.
+ * @param newRequiredProperty the newRequiredProperty value to set.
+ */
+ @Generated
+ public DuplicateRequiredProperty(String requiredProperty, String newRequiredProperty) {
+ super(requiredProperty, newRequiredProperty);
+ this.newRequiredProperty = newRequiredProperty;
+ }
+
+ /**
+ * Get the newRequiredProperty property: The duplicateRequiredProperty property.
+ *
+ * @return the newRequiredProperty value.
+ */
+ @Generated
+ public String getNewRequiredProperty() {
+ return this.newRequiredProperty;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("property", getRequiredProperty());
+ jsonWriter.writeStringField("duplicateRequiredProperty", this.newRequiredProperty);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of DuplicateRequiredProperty from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of DuplicateRequiredProperty if the JsonReader was pointing to an instance of it, or null if
+ * it was pointing to JSON null.
+ * @throws IllegalStateException If the deserialized JSON object was missing any required properties.
+ * @throws IOException If an error occurs while reading the DuplicateRequiredProperty.
+ */
+ @Generated
+ public static DuplicateRequiredProperty fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ String requiredProperty = null;
+ String newRequiredProperty = null;
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("property".equals(fieldName)) {
+ requiredProperty = reader.getString();
+ } else if ("duplicateRequiredProperty".equals(fieldName)) {
+ newRequiredProperty = reader.getString();
+ } else {
+ reader.skipChildren();
+ }
+ }
+ return new DuplicateRequiredProperty(requiredProperty, newRequiredProperty);
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredPropertyParent.java b/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredPropertyParent.java
new file mode 100644
index 0000000000..14989bc2da
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/DuplicateRequiredPropertyParent.java
@@ -0,0 +1,105 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.Immutable;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonSerializable;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The DuplicateRequiredPropertyParent model.
+ */
+@Immutable
+public class DuplicateRequiredPropertyParent implements JsonSerializable {
+ /*
+ * The property property.
+ */
+ @Generated
+ private final String requiredProperty;
+
+ /*
+ * The duplicateRequiredProperty property.
+ */
+ @Generated
+ private final String duplicateRequiredProperty;
+
+ /**
+ * Creates an instance of DuplicateRequiredPropertyParent class.
+ *
+ * @param requiredProperty the requiredProperty value to set.
+ * @param duplicateRequiredProperty the duplicateRequiredProperty value to set.
+ */
+ @Generated
+ public DuplicateRequiredPropertyParent(String requiredProperty, String duplicateRequiredProperty) {
+ this.requiredProperty = requiredProperty;
+ this.duplicateRequiredProperty = duplicateRequiredProperty;
+ }
+
+ /**
+ * Get the requiredProperty property: The property property.
+ *
+ * @return the requiredProperty value.
+ */
+ @Generated
+ public String getRequiredProperty() {
+ return this.requiredProperty;
+ }
+
+ /**
+ * Get the duplicateRequiredProperty property: The duplicateRequiredProperty property.
+ *
+ * @return the duplicateRequiredProperty value.
+ */
+ @Generated
+ public String getDuplicateRequiredProperty() {
+ return this.duplicateRequiredProperty;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("property", this.requiredProperty);
+ jsonWriter.writeStringField("duplicateRequiredProperty", this.duplicateRequiredProperty);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of DuplicateRequiredPropertyParent from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of DuplicateRequiredPropertyParent if the JsonReader was pointing to an instance of it, or
+ * null if it was pointing to JSON null.
+ * @throws IllegalStateException If the deserialized JSON object was missing any required properties.
+ * @throws IOException If an error occurs while reading the DuplicateRequiredPropertyParent.
+ */
+ @Generated
+ public static DuplicateRequiredPropertyParent fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ String requiredProperty = null;
+ String duplicateRequiredProperty = null;
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("property".equals(fieldName)) {
+ requiredProperty = reader.getString();
+ } else if ("duplicateRequiredProperty".equals(fieldName)) {
+ duplicateRequiredProperty = reader.getString();
+ } else {
+ reader.skipChildren();
+ }
+ }
+ return new DuplicateRequiredPropertyParent(requiredProperty, duplicateRequiredProperty);
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstant.java b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstant.java
new file mode 100644
index 0000000000..4112d8e0e6
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstant.java
@@ -0,0 +1,77 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.Immutable;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The PropertyChangedToConstant model.
+ */
+@Immutable
+public final class PropertyChangedToConstant extends PropertyChangedToConstantParent {
+ /*
+ * The propertyChangedToConstant property.
+ */
+ @Generated
+ private final String propertyChangedToConstant = "constantValue";
+
+ /**
+ * Creates an instance of PropertyChangedToConstant class.
+ */
+ @Generated
+ public PropertyChangedToConstant() {
+ super("constantValue");
+ }
+
+ /**
+ * Get the propertyChangedToConstant property: The propertyChangedToConstant property.
+ *
+ * @return the propertyChangedToConstant value.
+ */
+ @Generated
+ public String getPropertyChangedToConstant() {
+ return this.propertyChangedToConstant;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("propertyChangedToConstant", this.propertyChangedToConstant);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of PropertyChangedToConstant from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of PropertyChangedToConstant if the JsonReader was pointing to an instance of it, or null if
+ * it was pointing to JSON null.
+ * @throws IllegalStateException If the deserialized JSON object was missing any required properties.
+ * @throws IOException If an error occurs while reading the PropertyChangedToConstant.
+ */
+ @Generated
+ public static PropertyChangedToConstant fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ PropertyChangedToConstant deserializedPropertyChangedToConstant = new PropertyChangedToConstant();
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ reader.skipChildren();
+ }
+
+ return deserializedPropertyChangedToConstant;
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstantParent.java b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstantParent.java
new file mode 100644
index 0000000000..42ec9ff3a1
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToConstantParent.java
@@ -0,0 +1,83 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Generated;
+import com.azure.core.annotation.Immutable;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonSerializable;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The PropertyChangedToConstantParent model.
+ */
+@Immutable
+public class PropertyChangedToConstantParent implements JsonSerializable {
+ /*
+ * The propertyChangedToConstant property.
+ */
+ @Generated
+ private final String propertyChangedToConstant;
+
+ /**
+ * Creates an instance of PropertyChangedToConstantParent class.
+ *
+ * @param propertyChangedToConstant the propertyChangedToConstant value to set.
+ */
+ @Generated
+ public PropertyChangedToConstantParent(String propertyChangedToConstant) {
+ this.propertyChangedToConstant = propertyChangedToConstant;
+ }
+
+ /**
+ * Get the propertyChangedToConstant property: The propertyChangedToConstant property.
+ *
+ * @return the propertyChangedToConstant value.
+ */
+ @Generated
+ public String getPropertyChangedToConstant() {
+ return this.propertyChangedToConstant;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("propertyChangedToConstant", this.propertyChangedToConstant);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of PropertyChangedToConstantParent from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of PropertyChangedToConstantParent if the JsonReader was pointing to an instance of it, or
+ * null if it was pointing to JSON null.
+ * @throws IllegalStateException If the deserialized JSON object was missing any required properties.
+ * @throws IOException If an error occurs while reading the PropertyChangedToConstantParent.
+ */
+ @Generated
+ public static PropertyChangedToConstantParent fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ String propertyChangedToConstant = null;
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("propertyChangedToConstant".equals(fieldName)) {
+ propertyChangedToConstant = reader.getString();
+ } else {
+ reader.skipChildren();
+ }
+ }
+ return new PropertyChangedToConstantParent(propertyChangedToConstant);
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequired.java b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequired.java
new file mode 100644
index 0000000000..b71da97a6a
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequired.java
@@ -0,0 +1,82 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Fluent;
+import com.azure.core.annotation.Generated;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The PropertyChangedToRequired model.
+ */
+@Fluent
+public final class PropertyChangedToRequired extends PropertyChangedToRequiredParent {
+ /*
+ * The propertyChangedToRequired property.
+ */
+ @Generated
+ private final String propertyChangedToRequired;
+
+ /**
+ * Creates an instance of PropertyChangedToRequired class.
+ *
+ * @param propertyChangedToRequired the propertyChangedToRequired value to set.
+ */
+ @Generated
+ public PropertyChangedToRequired(String propertyChangedToRequired) {
+ this.propertyChangedToRequired = propertyChangedToRequired;
+ }
+
+ /**
+ * Get the propertyChangedToRequired property: The propertyChangedToRequired property.
+ *
+ * @return the propertyChangedToRequired value.
+ */
+ @Generated
+ public String getPropertyChangedToRequired() {
+ return this.propertyChangedToRequired;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("propertyChangedToRequired", this.propertyChangedToRequired);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of PropertyChangedToRequired from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of PropertyChangedToRequired if the JsonReader was pointing to an instance of it, or null if
+ * it was pointing to JSON null.
+ * @throws IllegalStateException If the deserialized JSON object was missing any required properties.
+ * @throws IOException If an error occurs while reading the PropertyChangedToRequired.
+ */
+ @Generated
+ public static PropertyChangedToRequired fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ String propertyChangedToRequired = null;
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("propertyChangedToRequired".equals(fieldName)) {
+ propertyChangedToRequired = reader.getString();
+ } else {
+ reader.skipChildren();
+ }
+ }
+ return new PropertyChangedToRequired(propertyChangedToRequired);
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequiredParent.java b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequiredParent.java
new file mode 100644
index 0000000000..2ab1511ea6
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/PropertyChangedToRequiredParent.java
@@ -0,0 +1,93 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.models;
+
+import com.azure.core.annotation.Fluent;
+import com.azure.core.annotation.Generated;
+import com.azure.json.JsonReader;
+import com.azure.json.JsonSerializable;
+import com.azure.json.JsonToken;
+import com.azure.json.JsonWriter;
+import java.io.IOException;
+
+/**
+ * The PropertyChangedToRequiredParent model.
+ */
+@Fluent
+public class PropertyChangedToRequiredParent implements JsonSerializable {
+ /*
+ * The propertyChangedToRequired property.
+ */
+ @Generated
+ private String propertyChangedToRequired;
+
+ /**
+ * Creates an instance of PropertyChangedToRequiredParent class.
+ */
+ @Generated
+ public PropertyChangedToRequiredParent() {
+ }
+
+ /**
+ * Get the propertyChangedToRequired property: The propertyChangedToRequired property.
+ *
+ * @return the propertyChangedToRequired value.
+ */
+ @Generated
+ public String getPropertyChangedToRequired() {
+ return this.propertyChangedToRequired;
+ }
+
+ /**
+ * Set the propertyChangedToRequired property: The propertyChangedToRequired property.
+ *
+ * @param propertyChangedToRequired the propertyChangedToRequired value to set.
+ * @return the PropertyChangedToRequiredParent object itself.
+ */
+ @Generated
+ public PropertyChangedToRequiredParent setPropertyChangedToRequired(String propertyChangedToRequired) {
+ this.propertyChangedToRequired = propertyChangedToRequired;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Generated
+ @Override
+ public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
+ jsonWriter.writeStartObject();
+ jsonWriter.writeStringField("propertyChangedToRequired", this.propertyChangedToRequired);
+ return jsonWriter.writeEndObject();
+ }
+
+ /**
+ * Reads an instance of PropertyChangedToRequiredParent from the JsonReader.
+ *
+ * @param jsonReader The JsonReader being read.
+ * @return An instance of PropertyChangedToRequiredParent if the JsonReader was pointing to an instance of it, or
+ * null if it was pointing to JSON null.
+ * @throws IOException If an error occurs while reading the PropertyChangedToRequiredParent.
+ */
+ @Generated
+ public static PropertyChangedToRequiredParent fromJson(JsonReader jsonReader) throws IOException {
+ return jsonReader.readObject(reader -> {
+ PropertyChangedToRequiredParent deserializedPropertyChangedToRequiredParent
+ = new PropertyChangedToRequiredParent();
+ while (reader.nextToken() != JsonToken.END_OBJECT) {
+ String fieldName = reader.getFieldName();
+ reader.nextToken();
+
+ if ("propertyChangedToRequired".equals(fieldName)) {
+ deserializedPropertyChangedToRequiredParent.propertyChangedToRequired = reader.getString();
+ } else {
+ reader.skipChildren();
+ }
+ }
+
+ return deserializedPropertyChangedToRequiredParent;
+ });
+ }
+}
diff --git a/typespec-tests/src/main/java/tsptest/subclass/models/package-info.java b/typespec-tests/src/main/java/tsptest/subclass/models/package-info.java
new file mode 100644
index 0000000000..a14fc55334
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/models/package-info.java
@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+/**
+ *
+ * Package containing the data models for Subclass.
+ *
+ */
+package tsptest.subclass.models;
diff --git a/typespec-tests/src/main/java/tsptest/subclass/package-info.java b/typespec-tests/src/main/java/tsptest/subclass/package-info.java
new file mode 100644
index 0000000000..925d7ab7f0
--- /dev/null
+++ b/typespec-tests/src/main/java/tsptest/subclass/package-info.java
@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+/**
+ *
+ * Package containing the classes for Subclass.
+ *
+ */
+package tsptest.subclass;
diff --git a/typespec-tests/src/main/resources/tsptest-subclass.properties b/typespec-tests/src/main/resources/tsptest-subclass.properties
new file mode 100644
index 0000000000..ca812989b4
--- /dev/null
+++ b/typespec-tests/src/main/resources/tsptest-subclass.properties
@@ -0,0 +1,2 @@
+name=${project.artifactId}
+version=${project.version}
diff --git a/typespec-tests/src/test/java/tsptest/subclass/SubclassPropertyTests.java b/typespec-tests/src/test/java/tsptest/subclass/SubclassPropertyTests.java
new file mode 100644
index 0000000000..0d425cbad4
--- /dev/null
+++ b/typespec-tests/src/test/java/tsptest/subclass/SubclassPropertyTests.java
@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+package tsptest.subclass;
+
+import com.azure.core.util.BinaryData;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import tsptest.subclass.models.PropertyChangedToConstant;
+import tsptest.subclass.models.PropertyChangedToRequired;
+
+public class SubclassPropertyTests {
+
+ @Test
+ public void testPropertyChangedToRequired() {
+ PropertyChangedToRequired model = new PropertyChangedToRequired("value");
+ String json = BinaryData.fromObject(model).toString();
+ Assertions.assertEquals("{\"propertyChangedToRequired\":\"value\"}", json);
+
+ model = BinaryData.fromString(json).toObject(PropertyChangedToRequired.class);
+ Assertions.assertEquals("value", model.getPropertyChangedToRequired());
+ }
+
+ @Test
+ public void testPropertyChangedToConstant() {
+ PropertyChangedToConstant model = new PropertyChangedToConstant();
+ String json = BinaryData.fromObject(model).toString();
+ Assertions.assertEquals("{\"propertyChangedToConstant\":\"constantValue\"}", json);
+
+ model = BinaryData.fromString(json).toObject(PropertyChangedToConstant.class);
+ Assertions.assertEquals("constantValue", model.getPropertyChangedToConstant());
+ }
+}
diff --git a/typespec-tests/src/test/java/tsptest/subclass/generated/SubclassClientTestBase.java b/typespec-tests/src/test/java/tsptest/subclass/generated/SubclassClientTestBase.java
new file mode 100644
index 0000000000..5ade858bbc
--- /dev/null
+++ b/typespec-tests/src/test/java/tsptest/subclass/generated/SubclassClientTestBase.java
@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+// Code generated by Microsoft (R) TypeSpec Code Generator.
+
+package tsptest.subclass.generated;
+
+// The Java test files under 'generated' package are generated for your reference.
+// If you wish to modify these files, please copy them out of the 'generated' package, and modify there.
+// See https://aka.ms/azsdk/dpg/java/tests for guide on adding a test.
+
+import com.azure.core.http.policy.HttpLogDetailLevel;
+import com.azure.core.http.policy.HttpLogOptions;
+import com.azure.core.test.TestMode;
+import com.azure.core.test.TestProxyTestBase;
+import com.azure.core.util.Configuration;
+import tsptest.subclass.SubclassClient;
+import tsptest.subclass.SubclassClientBuilder;
+
+class SubclassClientTestBase extends TestProxyTestBase {
+ protected SubclassClient subclassClient;
+
+ @Override
+ protected void beforeTest() {
+ SubclassClientBuilder subclassClientbuilder
+ = new SubclassClientBuilder().endpoint(Configuration.getGlobalConfiguration().get("ENDPOINT", "endpoint"))
+ .httpClient(getHttpClientOrUsePlayback(getHttpClients().findFirst().orElse(null)))
+ .httpLogOptions(new HttpLogOptions().setLogLevel(HttpLogDetailLevel.BASIC));
+ if (getTestMode() == TestMode.RECORD) {
+ subclassClientbuilder.addPolicy(interceptorManager.getRecordPolicy());
+ }
+ subclassClient = subclassClientbuilder.buildClient();
+
+ }
+}
diff --git a/typespec-tests/tsp/subclass.tsp b/typespec-tests/tsp/subclass.tsp
new file mode 100644
index 0000000000..8f76d84f82
--- /dev/null
+++ b/typespec-tests/tsp/subclass.tsp
@@ -0,0 +1,58 @@
+import "@typespec/rest";
+import "@azure-tools/typespec-azure-core";
+import "@azure-tools/typespec-client-generator-core";
+
+using TypeSpec.Http;
+
+@service(#{ title: "Subclass" })
+namespace TspTest.Subclass;
+
+model DuplicateRequiredPropertyParent {
+ @encodedName("application/json", "property")
+ requiredProperty: string;
+
+ duplicateRequiredProperty: string;
+}
+model DuplicateRequiredProperty extends DuplicateRequiredPropertyParent {
+ @encodedName("application/json", "duplicateRequiredProperty")
+ newRequiredProperty: string;
+}
+
+model PropertyChangedToRequiredParent {
+ propertyChangedToRequired?: string;
+}
+model PropertyChangedToRequired extends PropertyChangedToRequiredParent {
+ propertyChangedToRequired: string;
+}
+
+model PropertyChangedToConstantParent {
+ propertyChangedToConstant: string;
+}
+model PropertyChangedToConstant extends PropertyChangedToConstantParent {
+ propertyChangedToConstant: "constantValue";
+}
+
+// Incompatible return type in Java method override
+// model PropertyChangedToEnumParent {
+// propertyChangedToEnum: string;
+// }
+// model PropertyChangedToEnum extends PropertyChangedToEnumParent {
+// propertyChangedToEnum: EnumModel;
+// }
+// union EnumModel {
+// string,
+// "value1",
+// }
+
+model Body {
+ duplicateRequiredProperty?: DuplicateRequiredProperty;
+ propertyChangedToRequired?: PropertyChangedToRequired;
+ propertyChangedToConstant?: PropertyChangedToConstant;
+}
+
+@route("/subclass")
+interface Subclass {
+ @post
+ @route("/property-in-subclass")
+ propertyInSubclass(@body body: Body): Body;
+}