20public class DelegatingChatClient : IChatClient

35public abstract class RoutingChatClient : IChatClient

158private sealed class CountingDisposeClient : IChatClient

11public sealed class TestChatClient : IChatClient

17internal sealed class ContentSafetyChatClient : IChatClient

1350private sealed class TestSummarizingChatClient : IChatClient

11public sealed class TestChatClient : IChatClient

30internal sealed partial class OpenAIChatClient : IChatClient

33internal sealed class OpenAIResponsesChatClient : IChatClient

377private sealed class CountingDisposeClient : IChatClient

238private sealed class CountingDisposeClient : IChatClient

11public sealed class TestChatClient : IChatClient

11public sealed class TestChatClient : IChatClient

137var chat = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat-client") : host.Services.GetRequiredService<IChatClient>(); 245var chat = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat-client") : host.Services.GetRequiredService<IChatClient>();

205var chatClient = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat") : host.Services.GetRequiredService<IChatClient>(); 396var chatClient = keyed 397? host.Services.GetRequiredKeyedService<IChatClient>("chat") 398: host.Services.GetRequiredService<IChatClient>(); 451using var chat = host.Services.GetRequiredService<ProjectOpenAIClient>()

49var chat = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat") : host.Services.GetRequiredService<IChatClient>(); 53Assert.Null(host.Services.GetService<IChatClient>()); 76var chat = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat") : host.Services.GetRequiredService<IChatClient>(); 143Assert.Equal("local-model", host.Services.GetRequiredKeyedService<IChatClient>("local").GetService<ChatClient>()!.Model); 144Assert.Equal("account-model", host.Services.GetRequiredKeyedService<IChatClient>("account").GetService<ChatClient>()!.Model); 145Assert.Equal("project-model", host.Services.GetRequiredKeyedService<IChatClient>("project").GetService<ChatClient>()!.Model); 146Assert.Null(host.Services.GetService<IChatClient>()); 169var chat = keyed ? host.Services.GetRequiredKeyedService<IChatClient>("chat") : host.Services.GetRequiredService<IChatClient>();

14public class AzureOpenAIConformanceTests : ConformanceTests<IChatClient, AzureOpenAISettings> 64protected override void TriggerActivity(IChatClient service) 69public class AzureProjectOpenAIConformanceTests : ConformanceTests<IChatClient, AzureProjectOpenAISettings> 119protected override void TriggerActivity(IChatClient service)

13/// Provides extension methods for registering <see cref="IChatClient"/> as a singleton in the services provided by the <see cref="IHostApplicationBuilder"/>. 18/// Registers a singleton <see cref="IChatClient"/> in the services provided by the <paramref name="builder"/>. 22/// <returns>A <see cref="ChatClientBuilder"/> that can be used to build a pipeline around the inner <see cref="IChatClient"/>.</returns> 34/// Registers a keyed singleton <see cref="IChatClient"/> in the services provided by the <paramref name="builder"/>. 37/// <param name="serviceKey">The service key with which the <see cref="IChatClient"/> will be registered.</param> 39/// <returns>A <see cref="ChatClientBuilder"/> that can be used to build a pipeline around the inner <see cref="IChatClient"/>.</returns> 58private static IChatClient CreateInnerChatClient( 68var result = openAiClient.GetChatClient(deploymentName).AsIChatClient();

38var client = useKeyed ? 39host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 40host.Services.GetRequiredService<IChatClient>(); 68var client = useKeyed ? 69host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 70host.Services.GetRequiredService<IChatClient>(); 96var client = useKeyed ? 97host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 98host.Services.GetRequiredService<IChatClient>(); 128host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 129host.Services.GetRequiredService<IChatClient>(); 159host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 160host.Services.GetRequiredService<IChatClient>(); 194var client = useKeyed ? 195host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 196host.Services.GetRequiredService<IChatClient>(); 221var client = useKeyed ? 222host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 223host.Services.GetRequiredService<IChatClient>(); 255var client = useKeyed ? 256host.Services.GetRequiredKeyedService<IChatClient>("openai_chatclient") : 257host.Services.GetRequiredService<IChatClient>(); 274private static Task<ChatResponse> TestMiddleware(IEnumerable<ChatMessage> list, ChatOptions? options, IChatClient client, CancellationToken token)

13public class ConformanceTests : ConformanceTests<IChatClient, OpenAISettings> 88protected override void TriggerActivity(IChatClient service)

13/// Turns an <see cref="IChatClient"/> stream into content blocks the UI can render as they 18/// <see cref="IChatClient"/>, so any Microsoft.Extensions.AI client can drive it. 31private readonly IChatClient _chatClient; 47public UIAgent(IChatClient chatClient) 57public UIAgent(IChatClient chatClient, ChatOptions chatOptions) 68public UIAgent(IChatClient chatClient, ChatOptions chatOptions, ILoggerFactory? loggerFactory) 78public UIAgent(IChatClient chatClient, Action<UIAgentOptions>? configure) 89public UIAgent(IChatClient chatClient, Action<UIAgentOptions>? configure, ILoggerFactory? loggerFactory) 98internal UIAgent(IChatClient chatClient, UIAgentOptions options, ILoggerFactory? loggerFactory)

10/// Turns an <see cref="IChatClient"/> stream into renderable content blocks and typed observable state. 20public UIAgent(IChatClient chatClient, TState? initialState = null) 31public UIAgent(IChatClient chatClient, ChatOptions chatOptions, TState? initialState = null) 47IChatClient chatClient, 62IChatClient chatClient, 71IChatClient chatClient,

22/// Gets or sets the options passed to the underlying <see cref="IChatClient"/>.

21private readonly Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, Task<ChatResponse>>? _getResponseFunc; 29private readonly Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, IAsyncEnumerable<ChatResponseUpdate>>? _getStreamingResponseFunc; 50IChatClient innerClient, 76IChatClient innerClient, 77Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, Task<ChatResponse>>? getResponseFunc, 78Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, IAsyncEnumerable<ChatResponseUpdate>>? getStreamingResponseFunc)

25/// <param name="innerClient">The underlying <see cref="IChatClient"/>.</param> 26protected CachingChatClient(IChatClient innerClient) 154/// This is used when there is a call to <see cref="IChatClient.GetResponseAsync"/>. 164/// This is used when there is a call to <see cref="IChatClient.GetStreamingResponseAsync"/>. 174/// This is used when there is a call to <see cref="IChatClient.GetResponseAsync"/>. 186/// This is used when there is a call to <see cref="IChatClient.GetStreamingResponseAsync"/>. 203/// be passed through to the inner <see cref="IChatClient"/> without attempting to read from or write to the cache.

12/// <summary>A builder for creating pipelines of <see cref="IChatClient"/>.</summary> 15private readonly Func<IServiceProvider, IChatClient> _innerClientFactory; 18private List<Func<IChatClient, IServiceProvider, IChatClient>>? _clientFactories; 21/// <param name="innerClient">The inner <see cref="IChatClient"/> that represents the underlying backend.</param> 23public ChatClientBuilder(IChatClient innerClient) 30/// <param name="innerClientFactory">A callback that produces the inner <see cref="IChatClient"/> that represents the underlying backend.</param> 31public ChatClientBuilder(Func<IServiceProvider, IChatClient> innerClientFactory) 36/// <summary>Builds an <see cref="IChatClient"/> that represents the entire pipeline. Calls to this instance will pass through each of the pipeline stages in turn.</summary> 38/// The <see cref="IServiceProvider"/> that should provide services to the <see cref="IChatClient"/> instances. 41/// <returns>An instance of <see cref="IChatClient"/> that represents the entire pipeline.</returns> 42public IChatClient Build(IServiceProvider? services = null) 45var chatClient = _innerClientFactory(services); 57$"Ensure that the callbacks passed to {nameof(Use)} return non-null {nameof(IChatClient)} instances."); 70public ChatClientBuilder Use(Func<IChatClient, IChatClient> clientFactory) 82public ChatClientBuilder Use(Func<IChatClient, IServiceProvider, IChatClient> clientFactory) 92/// an implementation for both <see cref="IChatClient.GetResponseAsync"/> and <see cref="IChatClient.GetStreamingResponseAsync"/>. 95/// A delegate that provides the implementation for both <see cref="IChatClient.GetResponseAsync"/> and 96/// <see cref="IChatClient.GetStreamingResponseAsync"/>. This delegate is invoked with the list of chat messages, the chat 117/// an implementation for both <see cref="IChatClient.GetResponseAsync"/> and <see cref="IChatClient.GetStreamingResponseAsync"/>. 120/// A delegate that provides the implementation for <see cref="IChatClient.GetResponseAsync"/>. When <see langword="null"/>, 121/// <paramref name="getStreamingResponseFunc"/> must be non-null, and the implementation of <see cref="IChatClient.GetResponseAsync"/> 125/// A delegate that provides the implementation for <see cref="IChatClient.GetStreamingResponseAsync"/>. When <see langword="null"/>, 126/// <paramref name="getResponseFunc"/> must be non-null, and the implementation of <see cref="IChatClient.GetStreamingResponseAsync"/> 132/// <paramref name="getResponseFunc"/> will provide the implementation of <see cref="IChatClient.GetResponseAsync"/>, and 133/// <paramref name="getStreamingResponseFunc"/> will provide the implementation of <see cref="IChatClient.GetStreamingResponseAsync"/>. 135/// is supplied without <paramref name="getStreamingResponseFunc"/>, the implementation of <see cref="IChatClient.GetStreamingResponseAsync"/> 138/// <see cref="IChatClient.GetResponseAsync"/> will be implemented by combining the updates from <paramref name="getStreamingResponseFunc"/>. 143Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, Task<ChatResponse>>? getResponseFunc, 144Func<IEnumerable<ChatMessage>, ChatOptions?, IChatClient, CancellationToken, IAsyncEnumerable<ChatResponseUpdate>>? getStreamingResponseFunc)

9/// <summary>Provides extension methods for working with <see cref="IChatClient"/> in the context of <see cref="ChatClientBuilder"/>.</summary> 20public static ChatClientBuilder AsBuilder(this IChatClient innerClient)

10/// <summary>Provides extension methods for registering <see cref="IChatClient"/> with a <see cref="IServiceCollection"/>.</summary> 13/// <summary>Registers a singleton <see cref="IChatClient"/> in the <see cref="IServiceCollection"/>.</summary> 15/// <param name="innerClient">The inner <see cref="IChatClient"/> that represents the underlying backend.</param> 23IChatClient innerClient, 32/// <summary>Registers a singleton <see cref="IChatClient"/> in the <see cref="IServiceCollection"/>.</summary> 34/// <param name="innerClientFactory">A callback that produces the inner <see cref="IChatClient"/> that represents the underlying backend.</param> 42Func<IServiceProvider, IChatClient> innerClientFactory, 49serviceCollection.Add(new ServiceDescriptor(typeof(IChatClient), builder.Build, lifetime)); 53/// <summary>Registers a keyed singleton <see cref="IChatClient"/> in the <see cref="IServiceCollection"/>.</summary> 56/// <param name="innerClient">The inner <see cref="IChatClient"/> that represents the underlying backend.</param> 65IChatClient innerClient, 74/// <summary>Registers a keyed singleton <see cref="IChatClient"/> in the <see cref="IServiceCollection"/>.</summary> 77/// <param name="innerClientFactory">A callback that produces the inner <see cref="IChatClient"/> that represents the underlying backend.</param> 86Func<IServiceProvider, IChatClient> innerClientFactory, 93serviceCollection.Add(new ServiceDescriptor(typeof(IChatClient), serviceKey, factory: (services, serviceKey) => builder.Build(services), lifetime));

19/// Provides extension methods on <see cref="IChatClient"/> that simplify working with structured output. 25/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 36this IChatClient chatClient, 44/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 56this IChatClient chatClient, 64/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 75this IChatClient chatClient, 83/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 95this IChatClient chatClient, 104/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 116this IChatClient chatClient, 125/// <param name="chatClient">The <see cref="IChatClient"/>.</param> 138this IChatClient chatClient,

30public ConfigureOptionsChatClient(IChatClient innerClient, Action<ChatOptions> configure)

31/// The provided implementation of <see cref="IChatClient"/> is thread-safe for concurrent use so long as the employed 48/// <param name="innerClient">The underlying <see cref="IChatClient"/>.</param> 50public DistributedCachingChatClient(IChatClient innerClient, IDistributedCache storage)

13/// Extension methods for adding a <see cref="DistributedCachingChatClient"/> to an <see cref="IChatClient"/> pipeline.

84/// If multiple function call requests are issued as part of a single iteration (a single response from the inner <see cref="IChatClient"/>), 92/// <see cref="IChatClient.GetStreamingResponseAsync"/> call as opposed to a <see cref="IChatClient.GetResponseAsync"/> call.

31/// <see cref="IChatClient"/>, it responds by invoking the corresponding <see cref="AIFunction"/> defined 50/// Due to the nature of interactions with an underlying <see cref="IChatClient"/>, if any <see cref="FunctionCallContent"/> is received 85/// <param name="innerClient">The underlying <see cref="IChatClient"/>, or the next instance in a chain of clients.</param> 88public FunctionInvokingChatClient(IChatClient innerClient, ILoggerFactory? loggerFactory = null, IServiceProvider? functionInvocationServices = null) 120/// in the chat history when calling the underlying <see cref="IChatClient"/>. 124/// when calling the underlying <see cref="IChatClient"/>. 136/// Setting the value to <see langword="true"/> can help the underlying <see cref="IChatClient"/> bypass problems on 208/// controlled by <see cref="IncludeDetailedErrors"/>). This allows the <see cref="IChatClient"/> to 346Throw.InvalidOperationException($"The inner {nameof(IChatClient)} returned a null {nameof(ChatResponse)}."); 546Throw.InvalidOperationException($"The inner {nameof(IChatClient)} streamed a null {nameof(ChatResponseUpdate)}."); 1646/// using the same message id that the <see cref="FunctionCallContent"/> was originally returned with from the downstream <see cref="IChatClient"/>.

20/// The provided implementation of <see cref="IChatClient"/> is thread-safe for concurrent use so long as the 58/// <param name="innerClient">The underlying <see cref="IChatClient"/>.</param> 63public ImageGeneratingChatClient(IChatClient innerClient, IImageGenerator imageGenerator, DataContentHandling dataContentHandling = DataContentHandling.AllImages)

18/// The provided implementation of <see cref="IChatClient"/> is thread-safe for concurrent use so long as the 37/// <param name="innerClient">The underlying <see cref="IChatClient"/>.</param> 39public LoggingChatClient(IChatClient innerClient, ILogger logger)

51/// <param name="innerClient">The underlying <see cref="IChatClient"/>.</param> 54public OpenTelemetryChatClient(IChatClient innerClient, ILogger? logger = null, string? sourceName = null)

23/// <param name="innerClient">The underlying <see cref="IChatClient"/>, or the next instance in a chain of clients.</param> 25public ReducingChatClient(IChatClient innerClient, IChatReducer reducer)

46private readonly IChatClient _chatClient; 66public SummarizingChatReducer(IChatClient chatClient, int targetCount, int? threshold) 124IChatClient chatClient, int indexOfFirstMessageToKeep, string summarizationPrompt, CancellationToken cancellationToken)

108IChatClient selectedClient = 177IChatClient selectedClient =

33IChatClient client, 60public IChatClient Client { get; }

32private readonly IChatClient[] _clients; 47public OrderedFailoverChatClient(IReadOnlyList<IChatClient> clients, bool leaveOpen = false) 51IChatClient[] clientsSnapshot = [.. clients]; 57foreach (IChatClient client in clientsSnapshot) 70protected override ValueTask<IChatClient> SelectClientAsync( 126foreach (IChatClient client in _clients)

47private readonly IChatClient[] _clients; 89IReadOnlyDictionary<IChatClient, IReadOnlyList<string>> clientProfiles, 90IChatClient defaultClient, 131var clients = new List<IChatClient> { defaultClient }; 132foreach (KeyValuePair<IChatClient, IReadOnlyList<string>> profile in clientProfiles) 134IChatClient client = profile.Key; 171protected override async ValueTask<IChatClient> SelectClientAsync( 289foreach (IChatClient client in _clients)

9/// Indicates that an <see cref="IChatClient"/> is free to select any of the available tools, or none at all.

12/// <summary>Provides a collection of static methods for extending <see cref="IChatClient"/> instances.</summary> 15/// <summary>Asks the <see cref="IChatClient"/> for an object of type <typeparamref name="TService"/>.</summary> 22/// The purpose of this method is to allow for the retrieval of strongly typed services that may be provided by the <see cref="IChatClient"/>, 25public static TService? GetService<TService>(this IChatClient client, object? serviceKey = null) 33/// Asks the <see cref="IChatClient"/> for an object of the specified type <paramref name="serviceType"/> 44/// The purpose of this method is to allow for the retrieval of services that are required to be provided by the <see cref="IChatClient"/>, 47public static object GetRequiredService(this IChatClient client, Type serviceType, object? serviceKey = null) 58/// Asks the <see cref="IChatClient"/> for an object of type <typeparamref name="TService"/> 68/// The purpose of this method is to allow for the retrieval of strongly typed services that are required to be provided by the <see cref="IChatClient"/>, 71public static TService GetRequiredService<TService>(this IChatClient client, object? serviceKey = null) 92this IChatClient client, 112this IChatClient client, 132this IChatClient client, 152this IChatClient client,

8/// <summary>Provides metadata about an <see cref="IChatClient"/>.</summary> 37/// This value can be <see langword="null"/> if no default model is set on the corresponding <see cref="IChatClient"/>.

12/// <summary>Represents a chat message used by an <see cref="IChatClient" />.</summary>

61/// <summary>Gets or sets additional per-request instructions to be provided to the <see cref="IChatClient"/>.</summary> 144/// <see langword="true"/> for no limit. <see langword="false"/> if the <see cref="IChatClient"/> is asked to return a maximum of one tool call per request. If <see langword="null"/>, the provider can select its own default. 193/// property if the <see cref="IChatClient"/> implementation supports them. 194/// Streamed background responses, such as those returned by default by <see cref="IChatClient.GetStreamingResponseAsync"/>, 197/// Non-streamed background responses, such as those returned by <see cref="IChatClient.GetResponseAsync"/>, 199/// and passing it to this property on subsequent calls to <see cref="IChatClient.GetResponseAsync"/>. 207/// The underlying <see cref="IChatClient" /> implementation might have its own representation of options. 208/// When <see cref="IChatClient.GetResponseAsync" /> or <see cref="IChatClient.GetStreamingResponseAsync" /> 211/// which concrete <see cref="IChatClient" /> is being used and how it represents options, a new instance of that 212/// implementation-specific options type can be returned by this callback for the <see cref="IChatClient" /> 221public Func<IChatClient, object?>? RawRepresentationFactory { get; set; }

17/// request to a <see cref="IChatClient"/> might actually generate multiple round-trips to an inner <see cref="IChatClient"/> 68/// Some <see cref="IChatClient"/> implementations are capable of storing the state for a conversation, such that 69/// the input messages supplied to <see cref="IChatClient.GetResponseAsync"/> need only be the additional messages beyond 92/// <see cref="IChatClient"/> implementations that support background responses will return 99/// <see cref="ChatOptions.ContinuationToken"/> on subsequent calls to <see cref="IChatClient.GetResponseAsync"/>

13/// Represents a single streaming response chunk from an <see cref="IChatClient"/>. 142/// Some <see cref="IChatClient"/> implementations are capable of storing the state for a conversation, such that 143/// the input messages supplied to <see cref="IChatClient.GetStreamingResponseAsync"/> need only be the additional messages beyond 165/// <see cref="IChatClient"/> implementations that support background responses return 170/// passed to <see cref="ChatOptions.ContinuationToken"/> on subsequent calls to <see cref="IChatClient.GetStreamingResponseAsync"/>

9/// Describes how tools should be selected by a <see cref="IChatClient"/>. 34/// instances, and the <see cref="IChatClient"/> is free to invoke zero or more of them. 43/// instances, but the <see cref="IChatClient"/> should not request the invocation of 44/// any of them. This can be used when the <see cref="IChatClient"/> should know about

13/// Provides an optional base class for an <see cref="IChatClient"/> that passes through calls to another instance. 16/// This is recommended as a base type when building clients that can be chained around an underlying <see cref="IChatClient"/>. 27protected DelegatingChatClient(IChatClient innerClient) 39/// <summary>Gets the inner <see cref="IChatClient" />.</summary> 40protected IChatClient InnerClient { get; }

15/// sent to the underlying provider or returned from it. Unless a specific <see cref="IChatClient"/> implementation 19/// Unless otherwise specified, all members of <see cref="IChatClient"/> are thread-safe for concurrent use. 20/// It is expected that all implementations of <see cref="IChatClient"/> support being used by multiple requests concurrently. 24/// However, implementations of <see cref="IChatClient"/> might mutate the arguments supplied to <see cref="GetResponseAsync"/> and 27/// that no <see cref="IChatClient"/> instances are used which might employ such mutation. For example, the ConfigureOptions method is 59/// <summary>Asks the <see cref="IChatClient"/> for an object of the specified type <paramref name="serviceType"/>.</summary> 65/// The purpose of this method is to allow for the retrieval of strongly typed services that might be provided by the <see cref="IChatClient"/>,

9/// Indicates that an <see cref="IChatClient"/> should not request the invocation of any tools.

16/// Provides a template for an <see cref="IChatClient"/> that selects and invokes another chat client. 43Func<RoutingContext, CancellationToken, ValueTask<IChatClient>> clientSelector) 59protected abstract ValueTask<IChatClient> SelectClientAsync( 70IChatClient client = await SelectClientAsync(context, cancellationToken).ConfigureAwait(false) ?? 87IChatClient client = await SelectClientAsync(context, cancellationToken).ConfigureAwait(false) ?? 123private readonly Func<RoutingContext, CancellationToken, ValueTask<IChatClient>> _clientSelector; 126Func<RoutingContext, CancellationToken, ValueTask<IChatClient>> clientSelector) 131protected override ValueTask<IChatClient> SelectClientAsync(

14/// One context is created for each call to <see cref="IChatClient.GetResponseAsync"/> and for each enumeration 15/// started from the sequence returned by <see cref="IChatClient.GetStreamingResponseAsync"/>.

40/// Unsupported inputs will be ignored by the <see cref="IChatClient"/> to which the tool is passed.

17/// to their corresponding JSON schemas transformed according to the specified <see cref="TransformOptions"/> policy. It is intended for use by <see cref="IChatClient"/> 21/// It is recommended <see cref="IChatClient"/> implementations with schema transformation requirements create a single static instance of this cache.

42if (serviceType == typeof(IChatClient)) 57Assert.Null(client.GetService<IChatClient>()); 69Assert.Throws<InvalidOperationException>(() => client.GetRequiredService<IChatClient>());

81Func<IChatClient, object?> rawRepresentationFactory = (c) => null;

126var client = delegating.GetService<IChatClient>(expectedKey); 163private sealed class NoOpDelegatingChatClient(IChatClient innerClient)

85using RoutingChatClient router = RoutingChatClient.Create((_, _) => new((IChatClient)null!)); 126Assert.Same(client, client.GetService(typeof(IChatClient))); 145private readonly Func<RoutingContext, IChatClient> _select; 147public DelegatingTestRouter(Func<RoutingContext, IChatClient> select) 152protected override ValueTask<IChatClient> SelectClientAsync(

7/// Specifies the <see cref="IChatClient"/> that should be used when evaluation is performed using an AI model. 9/// <param name="chatClient">An <see cref="IChatClient"/> that can be used to communicate with an AI model.</param> 10public sealed class ChatConfiguration(IChatClient chatClient) 13/// Gets an <see cref="IChatClient"/> that can be used to communicate with an AI model. 15public IChatClient ChatClient { get; } = chatClient;

89/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or

33/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or 76/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or 118/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or 158/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or 206/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or 251/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or

43/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that should be used if one or

74/// The <see cref="ChatClientMetadata"/> for the <see cref="IChatClient"/> that was used to communicate with the

74/// The <see cref="ChatClientMetadata"/> for the <see cref="IChatClient"/> that was used to communicate with the

48IChatClient chatClient = chatConfiguration.ChatClient; 49IChatClient chatClientWithToolCalling = chatClient.AsBuilder().UseFunctionInvocation().Build(); 204GetConversationWithoutToolsAsync(IChatClient chatClient) 217GetConversationWithToolsAsync(IChatClient chatClient)

85IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient; 126IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient; 164IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient; 199IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient;

182IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient; 260IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient; 587IChatClient chatClient = scenarioRun.ChatConfiguration!.ChatClient;

20IChatClient chatClient = openAIClient.AsIChatClient();

34/// for the <see cref="IChatClient"/>. 110/// <see cref="IChatClient"/>.

36/// Gets a <see cref="Evaluation.ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that is used by 54/// the configured <see cref="IChatClient"/> and the <see cref="ChatOptions"/> that are supplied as part of 108/// A <see cref="Evaluation.ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that is used by 212IChatClient originalChatClient = chatConfiguration.ChatClient; 228IChatClient chatClient; 265private static IEnumerable<string> GetCachingKeysForChatClient(IChatClient chatClient)

21IChatClient originalChatClient,

89/// Gets a <see cref="Evaluation.ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that is used by

18internal SimpleChatClient(IChatClient originalChatClient, ChatDetails chatDetails)

74/// The <see cref="ChatClientMetadata"/> for the <see cref="IChatClient"/> that was used to communicate with the

28/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that is used by AI-based

28/// A <see cref="ChatConfiguration"/> that specifies the <see cref="IChatClient"/> that is used by AI-based

20private readonly IChatClient? _originalChatClient; 25IChatClient? originalChatClient = null) 169Failed to invoke '{nameof(IChatClient)}.{callerMemberName}()'.

58/// The <see cref="IChatClient"/> that should be used to communicate with the Azure AI Foundry Evaluation Service 82IChatClient contentSafetyServiceChatClient,

26/// a new <see cref="IChatClient"/> that can be used both to communicate with the AI model that 62/// The original <see cref="IChatClient"/>. The returned <see cref="ChatConfiguration.ChatClient"/> will be a 73IChatClient originalChatClient)

76IChatClient chatClient = chatConfiguration.ChatClient;

74/// The <see cref="ChatClientMetadata"/> for the <see cref="IChatClient"/> that was used to communicate with the

13internal sealed class CallCountingChatClient(IChatClient innerClient) : DelegatingChatClient(innerClient)

41protected IChatClient? ChatClient { get; } 49protected abstract IChatClient? CreateChatClient(); 724using var chatClient = CreateChatClient()! 763using var chatClient = CreateChatClient()! 805using var chatClient = CreateChatClient()! 838using var chatClient = CreateChatClient()!.AsBuilder() 857using var chatClient = CreateChatClient()!.AsBuilder() 879using var chatClient = CreateChatClient()! 905using var chatClient = CreateChatClient()! 937var chatClient = CreateChatClient()!.AsBuilder() 1088var captureOutputChatClient = ChatClient.AsBuilder() 1232var chatClient = ChatClient 1352private IChatClient _summarizerChatClient; 1353private IChatClient _innerChatClient; 1361public TestSummarizingChatClient(IChatClient innerClient, int targetCount, int threshold)

24private readonly IChatClient? _baseChatClient; 42protected IChatClient? ChatClient { get; } 60protected abstract IChatClient? CreateChatClient(); 69protected async Task<ChatResponse> GetResponseAsync(bool useStreaming, IEnumerable<ChatMessage> messages, ChatOptions? options = null, IChatClient? chatClient = null) 363using var imageGeneratingClient = _baseChatClient!

31internal sealed class PromptBasedFunctionCallingChatClient(IChatClient innerClient)

18/// <summary>Provides an example of a custom <see cref="IChatClient"/> for reducing chat message lists.</summary> 38using var client = innerClient

16protected override IChatClient? CreateChatClient() => 36using var chatClient = CreateChatClient()! 60using var chatClient = CreateChatClient()! 108private sealed class AssertNoToolsDefinedChatClient(IChatClient innerClient) : DelegatingChatClient(innerClient)

15protected override IChatClient? CreateChatClient() =>

129/// The <see cref="IChatClient"/> returned by <see cref="OpenAIClientExtensions.AsIChatClient(ResponsesClient, string)"/> will 144/// The returned tool is only suitable for use with the <see cref="IChatClient"/> returned by 145/// <see cref="OpenAIClientExtensions.AsIChatClient(ResponsesClient, string)"/> (or <see cref="IChatClient"/>s that delegate 146/// to such an instance). It is likely to be ignored by any other <see cref="IChatClient"/> implementation. 152/// capable of being respected by any <see cref="IChatClient"/> implementation. This method does not attempt to 154/// the <see cref="IChatClient"/> returned by <see cref="OpenAIClientExtensions.AsIChatClient(ResponsesClient, string)"/> will

29/// <summary>Represents an <see cref="IChatClient"/> for an OpenAI <see cref="OpenAIClient"/> or <see cref="ChatClient"/>.</summary> 75object? IChatClient.GetService(Type serviceType, object? serviceKey)

115/// <summary>Gets an <see cref="IChatClient"/> for use with this <see cref="ChatClient"/>.</summary> 117/// <returns>An <see cref="IChatClient"/> that can be used to converse via the <see cref="ChatClient"/>.</returns> 119public static IChatClient AsIChatClient(this ChatClient chatClient) => 122/// <summary>Gets an <see cref="IChatClient"/> for use with this <see cref="ResponsesClient"/>.</summary> 125/// <returns>An <see cref="IChatClient"/> that can be used to converse via the <see cref="ResponsesClient"/>.</returns> 128public static IChatClient AsIChatClient(this ResponsesClient responseClient, string? defaultModelId = null) =>

20/// Retrieve the instance via <see cref="IChatClient.GetService(System.Type, object?)"/>

31/// <summary>Represents an <see cref="IChatClient"/> for an <see cref="ResponsesClient"/>.</summary> 87object? IChatClient.GetService(Type serviceType, object? serviceKey)

8protected override IChatClient? CreateChatClient() =>

40IChatClient chatClient = client.GetChatClient(model).AsIChatClient(); 57IChatClient chatClient = openAIClient.AsIChatClient(); 59Assert.Same(chatClient, chatClient.GetService<IChatClient>()); 65using IChatClient pipeline = chatClient 78Assert.IsType<FunctionInvokingChatClient>(pipeline.GetService<IChatClient>()); 85IChatClient chatClient = openAIClient.AsIChatClient(); 87Assert.Same(chatClient, chatClient.GetService<IChatClient>()); 90using IChatClient pipeline = chatClient 103Assert.IsType<FunctionInvokingChatClient>(pipeline.GetService<IChatClient>()); 153using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 232using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 291using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 362using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 415using IChatClient client = CreateChatClient(httpClient, modelId: "gpt-4o-mini"); 492using IChatClient client = CreateChatClient(httpClient, modelId: "gpt-4o-mini"); 575using IChatClient client = CreateChatClient(httpClient, modelId: "gpt-4o-mini"); 649using IChatClient client = CreateChatClient(httpClient, modelId: "gpt-4o-mini"); 758using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 849using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 956using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1052using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1171using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1256using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1355using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1495using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1620using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1667using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1715using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1761using IChatClient client = CreateChatClient(httpClient, "gpt-4o-mini"); 1778private static IChatClient CreateChatClient(HttpClient httpClient, string modelId) => 1900using IChatClient client = CreateChatClient(httpClient, "o4-mini"); 1945using IChatClient client = CreateChatClient(httpClient, "gpt-oss-120b"); 1995using IChatClient client = CreateChatClient(httpClient, "gpt-oss-120b"); 2038using IChatClient client = CreateChatClient(httpClient, "example-model"); 2107using IChatClient client = new OpenAIClient(new ApiKeyCredential("apikey"), new OpenAIClientOptions { Transport = new HttpClientPipelineTransport(httpClient) })

273using var chatClient = IntegrationTestHelpers.GetOpenAIClient()! 339using var chatClient = IntegrationTestHelpers.GetOpenAIClient()! 389using var chatClient = IntegrationTestHelpers.GetOpenAIClient()!

12protected override IChatClient? CreateChatClient() =>

34IChatClient client = NewChatClient(); 46IChatClient client = new OpenAIClient(new ApiKeyCredential("k")).GetResponsesClient().AsIChatClient("m"); 73IChatClient inner = NewChatClient(); 76using IChatClient pipeline = inner 90IChatClient client = NewChatClient(http); 106IChatClient client = NewChatClient(http); 122IChatClient client = NewChatClient(http); 148private static IChatClient NewChatClient(HttpClient? http = null)

21protected override IChatClient? CreateChatClient() => 224using var client = CreateChatClient()!; 264using var client = CreateChatClient()!; 529using var client = CreateChatClient()!;

43IChatClient chatClient = client.GetResponsesClient().AsIChatClient(model); 54IChatClient chatClient = openAIClient.AsIChatClient("model"); 56Assert.Same(chatClient, chatClient.GetService<IChatClient>()); 59using IChatClient pipeline = chatClient 72Assert.IsType<FunctionInvokingChatClient>(pipeline.GetService<IChatClient>()); 151using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 294using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 424using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 554using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 656using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 730using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 850using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 990using IChatClient client = CreateResponseClient(httpClient, "computer-use-preview"); 1085using IChatClient client = CreateResponseClient(httpClient, "computer-use-preview"); 1192using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 1337using IChatClient client = CreateResponseClient(httpClient, modelId: "gpt-4o-mini"); 1465using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 1599using (IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini")) 1720using (IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini")) 1859using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2087using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2500using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2707using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2818using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2908using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 2980using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 3069using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 3121using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 3216using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3297using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3364using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3488using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3708using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3795using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 3864using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 3916using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 3974using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4033using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4094using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4156using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4219using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4292using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4373using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4444using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4514using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4591using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4669using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4735using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4796using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4866using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4925using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 4981using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5042using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5100using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5157using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5216using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5278using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5334using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5389using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5446using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5503using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5540using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5572using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5616using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5669using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5724using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5762using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5797using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5832using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5867using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5905using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5943using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 5963using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6001using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6044using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6087using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6130using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6205using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6277using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6318using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6372using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6435using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 6508using IChatClient client = CreateResponseClient(httpClient, "gpt-4o"); 6608using IChatClient client = CreateResponseClient(httpClient, "gpt-4o"); 6725using IChatClient client = CreateResponseClient(httpClient, "gpt-4o"); 6864using IChatClient client = CreateResponseClient(httpClient, "gpt-4o"); 6964using IChatClient client = CreateResponseClient(httpClient, "gpt-4o"); 7100using (IChatClient client = CreateResponseClient(httpClient, "gpt-4o")) 7108using (IChatClient client = CreateResponseClient(httpClient, "gpt-4o")) 7190using IChatClient client = CreateResponseClient(httpClient, "o4-mini"); 7254using IChatClient client = new OpenAIClient(new ApiKeyCredential("apikey"), new OpenAIClientOptions { Transport = new HttpClientPipelineTransport(httpClient) }) 7329using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 7350private static IChatClient CreateResponseClient(HttpClient httpClient, string modelId) => 7611using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 7738using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-2024-08-06"); 7848using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 7932using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 8024using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8094using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8200using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8301using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8406using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8506using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8593using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8684using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8769using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8882using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 8981using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 9086using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 9199using IChatClient client = CreateResponseClient(httpClient, "gpt-5.4-mini"); 9304using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini"); 9397using IChatClient client = CreateResponseClient(httpClient, "gpt-4o-mini");

61Assert.Throws<ArgumentNullException>("innerClient", () => new ChatClientBuilder((IChatClient)null!)); 62Assert.Throws<ArgumentNullException>("innerClient", () => ((IChatClient)null!).AsBuilder()); 68Assert.Throws<ArgumentNullException>("innerClientFactory", () => new ChatClientBuilder((Func<IServiceProvider, IChatClient>)null!)); 99private sealed class InnerClientCapturingChatClient(string name, IChatClient innerClient) : DelegatingChatClient(innerClient) 104public new IChatClient InnerClient => base.InnerClient;

41using IChatClient innerClient = new TestChatClient 58using var client = innerClient

26var instance1 = scope1.ServiceProvider.GetRequiredService<IChatClient>(); 27var instance1Copy = scope1.ServiceProvider.GetRequiredService<IChatClient>(); 28var instance2 = scope2.ServiceProvider.GetRequiredService<IChatClient>(); 50var instance1 = scope1.ServiceProvider.GetRequiredService<IChatClient>(); 51var instance1Copy = scope1.ServiceProvider.GetRequiredService<IChatClient>(); 52var instance2 = scope2.ServiceProvider.GetRequiredService<IChatClient>(); 73Assert.Null(services.GetService<IChatClient>()); 75var instance1 = scope1.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 76var instance1Copy = scope1.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 77var instance2 = scope2.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 99Assert.Null(services.GetService<IChatClient>()); 101var instance1 = scope1.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 102var instance1Copy = scope1.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 103var instance2 = scope2.ServiceProvider.GetRequiredKeyedService<IChatClient>("mykey"); 126Assert.Equal(typeof(IChatClient), sd.ServiceType); 148Assert.Equal(typeof(IChatClient), sd.ServiceType); 248public class SingletonMiddleware(IChatClient inner, IServiceProvider services) : DelegatingChatClient(inner) 250public new IChatClient InnerClient => base.InnerClient;

123private sealed class CustomCachingChatClient(IChatClient innerClient, IDistributedCache storage, Func<IEnumerable<ChatMessage>, ChatOptions?, bool> enableCaching) : 875private sealed class CachingChatClientWithCustomKey(IChatClient innerClient, IDistributedCache storage)

910IChatClient service = innerClient.AsBuilder() 991IChatClient service = innerClient.AsBuilder() 1551IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(); 1632IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(); 2042IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(); 2124IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(); 2178private sealed class ApprovalHistoryNormalizingChatClient(IChatClient inner) : DelegatingChatClient(inner)

1589using IChatClient service = innerClient.AsBuilder().UseFunctionInvocation().Build(); 1900var client = innerClient.AsBuilder() 2385IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(services); 2449IChatClient service = configurePipeline(innerClient.AsBuilder()).Build(services);

161using var client = innerClient 178using var client = innerClient 196using var client = innerClient

30Assert.Same(innerClient, innerClient.AsBuilder().UseLogging(NullLoggerFactory.Instance).Build().GetService(typeof(IChatClient))); 55using IChatClient innerClient = new TestChatClient 63using IChatClient client = innerClient 100using IChatClient innerClient = new TestChatClient 112using IChatClient client = innerClient

924using var chatClient = innerClient 984using var chatClient = innerClient 1028using var chatClient = innerClient 1073using var chatClient = innerClient

114using var client = innerClient 151using var client = innerClient

34using IChatClient innerClient = new TestChatClient 55using IChatClient client = new ChatClientBuilder(innerClient) 83using IChatClient innerClient = new TestChatClient 95using IChatClient client = new ChatClientBuilder(innerClient) 125using IChatClient innerClient = new TestChatClient 137using IChatClient client = new ChatClientBuilder(innerClient) 147IEnumerable<ChatMessage> messages, ChatOptions? options, IChatClient innerClient, [EnumeratorCancellation] CancellationToken cancellationToken) 176using IChatClient innerClient = new TestChatClient 197using IChatClient client = new ChatClientBuilder(innerClient) 218IEnumerable<ChatMessage> messages, ChatOptions? options, IChatClient innerClient, [EnumeratorCancellation] CancellationToken cancellationToken)

1195private readonly Func<RoutingContext, IChatClient> _select; 1197public DelegatingTestRouter(Func<RoutingContext, IChatClient> select) 1202protected override ValueTask<IChatClient> SelectClientAsync( 1210private readonly Func<RoutingContext, IChatClient> _select; 1214Func<RoutingContext, IChatClient> select, 1221protected override ValueTask<IChatClient> SelectClientAsync(

222var clients = new List<IChatClient> { inner };

21var profiles = new Dictionary<IChatClient, IReadOnlyList<string>>(ChatClientReferenceComparer.Instance) 35new Dictionary<IChatClient, IReadOnlyList<string>>(), 40new Dictionary<IChatClient, IReadOnlyList<string>> 48new Dictionary<IChatClient, IReadOnlyList<string>> 107var profiles = new Dictionary<IChatClient, IReadOnlyList<string>>(ChatClientReferenceComparer.Instance) 156var profiles = new Dictionary<IChatClient, IReadOnlyList<string>>(ChatClientReferenceComparer.Instance) 199var profiles = new Dictionary<IChatClient, IReadOnlyList<string>>(ChatClientReferenceComparer.Instance) 223var profiles = new Dictionary<IChatClient, IReadOnlyList<string>>(ChatClientReferenceComparer.Instance) 277private sealed class ChatClientReferenceComparer : IEqualityComparer<IChatClient> 281public bool Equals(IChatClient? x, IChatClient? y) => ReferenceEquals(x, y); 283public int GetHashCode(IChatClient obj) => RuntimeHelpers.GetHashCode(obj);

19public EnricherOptions(IChatClient chatClient) 27public IChatClient ChatClient { get; }