.Net: Remove experimental attribute from the new function calling mod…

…el classes (#9524)

Removes the Experimental attribute from the new function-calling model
classes and function call content classes as part of their graduation.

Corresponding tasks:
- #6706
- #8490

dotnet/src/Functions/Functions.Yaml/Functions.Yaml.csproj

@@ -6,7 +6,7 @@
     <RootNamespace>$(AssemblyName)</RootNamespace>
     <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
     <EnablePackageValidation>true</EnablePackageValidation>
-    <NoWarn>$(NoWarn);SKEXP0001</NoWarn>
+    <NoWarn>$(NoWarn)</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(IsReleaseCandidate)' == 'true'">

dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/StreamingKernelContentItemCollection.cs

@@ -3,7 +3,6 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 
 namespace Microsoft.SemanticKernel.ChatCompletion;
 
@@ -12,7 +11,6 @@ namespace Microsoft.SemanticKernel.ChatCompletion;
 /// <summary>
 /// Contains collection of streaming kernel content items of type <see cref="StreamingKernelContent"/>.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class StreamingKernelContentItemCollection : IList<StreamingKernelContent>, IReadOnlyList<StreamingKernelContent>
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/AutoFunctionChoiceBehavior.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 
@@ -11,7 +10,6 @@ namespace Microsoft.SemanticKernel;
 /// Represents a <see cref="FunctionChoiceBehavior"/> that provides either all of the <see cref="Kernel"/>'s plugins' functions to AI model to call or specified ones.
 /// This behavior allows the model to decide whether to call the functions and, if so, which ones to call.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class AutoFunctionChoiceBehavior : FunctionChoiceBehavior
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/FunctionChoice.cs

@@ -9,7 +9,6 @@ namespace Microsoft.SemanticKernel;
 /// Represents an AI model's decision-making strategy for calling functions, offering predefined choices: Auto, Required, and None.
 /// Auto allows the model to decide if and which functions to call, Required enforces calling one or more functions, and None prevents any function calls, generating only a user-facing message.
 /// </summary>
-[Experimental("SKEXP0001")]
 public readonly struct FunctionChoice : IEquatable<FunctionChoice>
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/FunctionChoiceBehavior.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 
@@ -11,7 +10,6 @@ namespace Microsoft.SemanticKernel;
 /// Represents the base class for different function choice behaviors.
 /// These behaviors define the way functions are chosen by AI model and various aspects of their invocation by AI connectors.
 /// </summary>
-[Experimental("SKEXP0001")]
 [JsonPolymorphic(TypeDiscriminatorPropertyName = "type")]
 [JsonDerivedType(typeof(AutoFunctionChoiceBehavior), typeDiscriminator: "auto")]
 [JsonDerivedType(typeof(RequiredFunctionChoiceBehavior), typeDiscriminator: "required")]
@@ -105,9 +103,7 @@ public static FunctionChoiceBehavior None(IEnumerable<KernelFunction>? functions
     /// </summary>
     /// <param name="context">The context provided by AI connectors, used to determine the configuration.</param>
     /// <returns>The configuration.</returns>
-#pragma warning disable SKEXP0001 // FunctionChoiceBehavior is an experimental feature and is subject to change in future updates. Suppress this diagnostic to proceed.
     public abstract FunctionChoiceBehaviorConfiguration GetConfiguration(FunctionChoiceBehaviorConfigurationContext context);
-#pragma warning restore SKEXP0001 // FunctionChoiceBehavior is an experimental feature and is subject to change in future updates. Suppress this diagnostic to proceed.
 
     /// <summary>
     /// Returns functions AI connector should provide to the AI model.

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/FunctionChoiceBehaviorConfiguration.cs

@@ -1,14 +1,12 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 
 namespace Microsoft.SemanticKernel;
 
 /// <summary>
 /// Represents function choice behavior configuration produced by a <see cref="FunctionChoiceBehavior" />.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionChoiceBehaviorConfiguration
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/FunctionChoiceBehaviorConfigurationContext.cs

@@ -1,14 +1,12 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System.Diagnostics.CodeAnalysis;
 using Microsoft.SemanticKernel.ChatCompletion;
 
 namespace Microsoft.SemanticKernel;
 
 /// <summary>
 /// The context is to be provided by the choice behavior consumer – AI connector in order to obtain the choice behavior configuration.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionChoiceBehaviorConfigurationContext
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/FunctionChoiceBehaviorOptions.cs

@@ -1,14 +1,12 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel;
 
 /// <summary>
 /// Represents the options for a function choice behavior.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionChoiceBehaviorOptions
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/NoneFunctionChoiceBehavior.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 
@@ -12,7 +11,6 @@ namespace Microsoft.SemanticKernel;
 /// The model may use the provided function in the response it generates. E.g. the model may describe which functions it would call and with what parameter values.
 /// This response is useful if the user should first validate what functions the model will use.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class NoneFunctionChoiceBehavior : FunctionChoiceBehavior
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/FunctionChoiceBehaviors/RequiredFunctionChoiceBehavior.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 
@@ -11,7 +10,6 @@ namespace Microsoft.SemanticKernel;
 /// Represents <see cref="FunctionChoiceBehavior"/> that provides either all of the <see cref="Kernel"/>'s plugins' functions to AI model to call or specified ones.
 /// This behavior forces the model to always call one or more functions.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class RequiredFunctionChoiceBehavior : FunctionChoiceBehavior
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/AI/PromptExecutionSettings.cs

@@ -90,7 +90,6 @@ public string? ModelId
     /// The intermediate messages will be retained in the provided <see cref="ChatHistory"/>.
     /// </remarks>
     [JsonPropertyName("function_choice_behavior")]
-    [Experimental("SKEXP0001")]
     public FunctionChoiceBehavior? FunctionChoiceBehavior
     {
         get => this._functionChoiceBehavior;
@@ -149,15 +148,13 @@ public virtual void Freeze()
     /// </summary>
     public virtual PromptExecutionSettings Clone()
     {
-#pragma warning disable SKEXP0001 // FunctionChoiceBehavior is an experimental feature and is subject to change in future updates. Suppress this diagnostic to proceed.
         return new()
         {
             ModelId = this.ModelId,
             ServiceId = this.ServiceId,
             FunctionChoiceBehavior = this.FunctionChoiceBehavior,
             ExtensionData = this.ExtensionData is not null ? new Dictionary<string, object>(this.ExtensionData) : null
         };
-#pragma warning restore SKEXP0001 // FunctionChoiceBehavior is an experimental feature and is subject to change in future updates. Suppress this diagnostic to proceed.
     }
 
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/Contents/FunctionCallContent.cs

@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 using System.Threading;
@@ -13,7 +12,6 @@ namespace Microsoft.SemanticKernel;
 /// <summary>
 /// Represents a function call requested by AI model.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionCallContent : KernelContent
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/Contents/FunctionCallContentBuilder.cs

@@ -13,7 +13,6 @@ namespace Microsoft.SemanticKernel;
 /// <summary>
 /// A builder class for creating <see cref="FunctionCallContent"/> objects from incremental function call updates represented by <see cref="StreamingFunctionCallUpdateContent"/>.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionCallContentBuilder
 {
     private Dictionary<int, string>? _functionCallIdsByIndex = null;

dotnet/src/SemanticKernel.Abstractions/Contents/FunctionResultContent.cs

@@ -1,6 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 using Microsoft.SemanticKernel.ChatCompletion;
 
@@ -9,7 +8,6 @@ namespace Microsoft.SemanticKernel;
 /// <summary>
 /// Represents the result of a function call.
 /// </summary>
-[Experimental("SKEXP0001")]
 public sealed class FunctionResultContent : KernelContent
 {
     /// <summary>

dotnet/src/SemanticKernel.Abstractions/Contents/StreamingChatMessageContent.cs

@@ -52,7 +52,6 @@ public string? Content
     /// Chat message content items.
     /// </summary>
     [JsonIgnore]
-    [Experimental("SKEXP0001")]
     public StreamingKernelContentItemCollection Items
     {
         get => this._items ??= [];

dotnet/src/SemanticKernel.Abstractions/Contents/StreamingFunctionCallUpdateContent.cs

@@ -1,14 +1,12 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System.Diagnostics.CodeAnalysis;
 using System.Text;
 
 namespace Microsoft.SemanticKernel;
 
 /// <summary>
 /// Represents a function streaming call requested by LLM.
 /// </summary>
-[Experimental("SKEXP0001")]
 public class StreamingFunctionCallUpdateContent : StreamingKernelContent
 {
     /// <summary>