Validate emitter coverage in TCGC "Generate client libraries" docs

cspell.yaml

@@ -89,6 +89,7 @@ words:
   - SERVICERP
   - seti
   - stac
+  - strconv
   - tcgc
   - tsmv
   - userrp

website/src/content/docs/docs/howtos/Generate client libraries/02package.mdx

@@ -85,7 +85,27 @@ client.feed(Food(name="pork", "quantity="1"))
 ```
 
 ```csharp
-// TODO
+namespace PetStore
+{
+  public partial class Food
+  {
+    public Food(string name, int quantity);
+    public string Name { get; }
+    public int Quantity { get; }
+  }
+
+  public partial class PetStoreClient
+  {
+    public PetStoreClient(Uri endpoint);
+    public PetStoreClient(Uri endpoint, PetStoreClientOptions options);
+    // protocol method
+    public virtual Response Feed(RequestContent content, RequestContext context = null);
+    public virtual Task<Response> FeedAsync(RequestContent content, RequestContext context = null);
+    // convenience method
+    public virtual Response Feed(Food food, CancellationToken cancellationToken = default);
+    public virtual Task<Response> FeedAsync(Food food, CancellationToken cancellationToken = default);
+  }
+}
 ```
 
 ```typescript
@@ -189,7 +209,26 @@ namespace Customization;
 ```
 
 ```csharp
-// TODO
+// Food is generated in the PetStore.Models namespace.
+namespace PetStore.Models
+{
+  public partial class Food
+  {
+    public Food(string name, int quantity);
+    public string Name { get; }
+    public int Quantity { get; }
+  }
+}
+
+namespace PetStore
+{
+  public partial class PetStoreClient
+  {
+    public PetStoreClient(Uri endpoint);
+    public virtual Response Feed(Food food, CancellationToken cancellationToken = default);
+    public virtual Task<Response> FeedAsync(Food food, CancellationToken cancellationToken = default);
+  }
+}
 ```
 
 ```typescript

website/src/content/docs/docs/howtos/Generate client libraries/03client.mdx

@@ -1342,7 +1342,25 @@ client2.pet()
 ```
 
 ```csharp
-// TODO
+namespace NewPetStore.Food
+{
+  public partial class FoodClient
+  {
+    public FoodClient(Uri endpoint);
+    public virtual Response Feed(CancellationToken cancellationToken = default);
+    public virtual Task<Response> FeedAsync(CancellationToken cancellationToken = default);
+  }
+}
+
+namespace NewPetStore.PetAction
+{
+  public partial class PetActionClient
+  {
+    public PetActionClient(Uri endpoint);
+    public virtual Response Pet(CancellationToken cancellationToken = default);
+    public virtual Task<Response> PetAsync(CancellationToken cancellationToken = default);
+  }
+}
 ```
 
 ```typescript
@@ -1948,7 +1966,9 @@ With `@clientInitialization`, you can change the initialization way, by passing
 @service
 namespace Storage;
 
-op download(@path blobName: string): void;
+namespace Blob {
+  op download(@path blobName: string): void;
+}
 ```
 
 ```typespec title="client.tsp"
@@ -1959,12 +1979,8 @@ using Azure.ClientGenerator.Core;
 
 namespace Customizations;
 
-model StorageClientOptions {
-  blobName: string;
-}
-
 @@clientInitialization(
-  Storage,
+  Storage.Blob,
   {
     initializedBy: InitializedBy.individually | InitializedBy.parent,
   }
@@ -1980,19 +1996,25 @@ NOT_SUPPORTED
 ```
 
 ```typescript
-export class StorageClient {
-  download(
-    blobName: string,
-    options: DownloadOptionalParams = { requestOptions: {} },
-  ): Promise<void>;
-}
-
-const client = new StorageClient();
-client.download("blobName");
+// TODO
 ```
 
 ```java
-// TODO
+// Java requires `enable-subclient: true` option in "tspconfig.yaml"
+
+public final class StorageClientBuilder {
+    public StorageClient buildClient();
+}
+
+// via ClientBuilder
+public final class BlobBuilder {
+    public BlobClient buildClient();
+}
+
+// via parent Client
+public final class StorageClient {
+    public BlobClient getBlobClient()
+}
 ```
 
 ```go

website/src/content/docs/docs/howtos/Generate client libraries/04method.mdx

@@ -241,7 +241,14 @@ public final class PetStoreNamespaceClient {
 ```
 
 ```go
-// NOT_SUPPORTED
+// Go generates the model and method as `outputModel` / `getModel` (unexported),
+// so they are not part of the package's public API.
+type outputModel struct {
+    // READ-ONLY
+    Name *string
+}
+
+func (client *PetStoreNamespaceClient) getModel(ctx context.Context, apiVersion string, name string, options *petStoreNamespaceClientgetModelOptions) (petStoreNamespaceClientgetModelResponse, error)
 ```
 
 </ClientTabs>
@@ -340,7 +347,9 @@ public final class ImageGenerations {
 ```
 
 ```go
-// NOT_SUPPORTED
+// Go does not generate different code based on usage.
+// However, the model may not be generated if it's never used.
+// In that case, set a usage for the model.
 ```
 
 </ClientTabs>
@@ -1606,7 +1615,24 @@ def get(self, *, etag: Optional[str] = None, match_condition: Optional[MatchCond
 ```
 
 ```csharp
-# TODO
+namespace TestService
+{
+  public partial class Response
+  {
+    public string Name { get; }
+  }
+
+  public partial class TestServiceClient
+  {
+    public TestServiceClient(Uri endpoint);
+    // protocol method
+    public virtual Response Get(MatchConditions matchConditions, RequestContext context);
+    public virtual Task<Response> GetAsync(MatchConditions matchConditions, RequestContext context);
+    // convenience method
+    public virtual Response<Response> Get(MatchConditions matchConditions = default, CancellationToken cancellationToken = default);
+    public virtual Task<Response<Response>> GetAsync(MatchConditions matchConditions = default, CancellationToken cancellationToken = default);
+  }
+}
 ```
 
 ```typescript
@@ -1747,7 +1773,12 @@ public final class ContosoProviderHubClient {
 ```
 
 ```go
-// NOT_SUPPORTED
+// subscriptionID is moved from the client to the operation level.
+type ContosoProviderHubClient struct { ... }
+
+func (c *ClientFactory) NewContosoProviderHubClient() *ContosoProviderHubClient
+
+func (client *ContosoProviderHubClient) Get(ctx context.Context, subscriptionID string, extendedZoneName string, options *ContosoProviderHubClientGetOptions) (ContosoProviderHubClientGetResponse, error)
 ```
 
 </ClientTabs>
@@ -1835,7 +1866,8 @@ public void getSecrets(int maxResults);
 <ClientTabItem lang="go">
 
 ```go
-// NOT_SUPPORTED
+// maxResults is now required, exposed as a positional parameter.
+func (client *MyServiceClient) GetSecrets(ctx context.Context, maxResults int32, options *MyServiceClientGetSecretsOptions) (MyServiceClientGetSecretsResponse, error)
 ```
 
 </ClientTabItem>
@@ -1927,7 +1959,8 @@ public void getSecrets(int maxResults);
 <ClientTabItem lang="go">
 
 ```go
-// NOT_SUPPORTED
+// maxResults is now required, exposed as a positional parameter.
+func (client *MyServiceClient) GetSecrets(ctx context.Context, maxResults int32, options *MyServiceClientGetSecretsOptions) (MyServiceClientGetSecretsResponse, error)
 ```
 
 </ClientTabItem>
@@ -2003,7 +2036,8 @@ public void getSecrets();
 <ClientTabItem lang="go">
 
 ```go
-// NOT_SUPPORTED
+// maxResults parameter is removed.
+func (client *MyServiceClient) GetSecrets(ctx context.Context, options *MyServiceClientGetSecretsOptions) (MyServiceClientGetSecretsResponse, error)
 ```
 
 </ClientTabItem>
@@ -2142,7 +2176,8 @@ public void myOp(boolean c, String a, int b);
 <ClientTabItem lang="go">
 
 ```go
-// NOT_SUPPORTED
+// Parameters are now in the order: c, a, b.
+func (client *MyServiceClient) MyOp(ctx context.Context, c bool, a string, b int32, options *MyServiceClientMyOpOptions) (MyServiceClientMyOpResponse, error)
 ```
 
 </ClientTabItem>
@@ -2270,7 +2305,8 @@ export async function exists(
 ```
 
 ```java
-// NOT_SUPPORTED
+public boolean exists(String name);
+public Response<Boolean> existsWithResponse(String name, RequestOptions requestOptions);
 ```
 
 ```go