chore: update public API

Author: MaggieKimani1

test/Microsoft.OpenApi.Tests/PublicApi/PublicApi.approved.txt

@@ -421,7 +421,7 @@ namespace Microsoft.OpenApi.Models.Interfaces
         string? Const { get; }
         System.Text.Json.Nodes.JsonNode? Default { get; }
         System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Models.Interfaces.IOpenApiSchema>? Definitions { get; }
-        System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>> DependentRequired { get; }
+        System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>>? DependentRequired { get; }
         bool Deprecated { get; }
         Microsoft.OpenApi.Models.OpenApiDiscriminator? Discriminator { get; }
         string? DynamicAnchor { get; }
@@ -777,7 +777,7 @@ namespace Microsoft.OpenApi.Models
         where T : Microsoft.OpenApi.Interfaces.IOpenApiSerializable
     {
         protected OpenApiExtensibleDictionary() { }
-        protected OpenApiExtensibleDictionary(System.Collections.Generic.Dictionary<string, T>? dictionary, System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Interfaces.IOpenApiExtension>? extensions = null) { }
+        protected OpenApiExtensibleDictionary(System.Collections.Generic.Dictionary<string, T> dictionary, System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Interfaces.IOpenApiExtension>? extensions = null) { }
         public System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Interfaces.IOpenApiExtension>? Extensions { get; set; }
         public void SerializeAsV2(Microsoft.OpenApi.Writers.IOpenApiWriter writer) { }
         public void SerializeAsV3(Microsoft.OpenApi.Writers.IOpenApiWriter writer) { }
@@ -975,7 +975,7 @@ namespace Microsoft.OpenApi.Models
         public string? ReferenceV2 { get; }
         public string? ReferenceV3 { get; }
         public string? Summary { get; set; }
-        public Microsoft.OpenApi.Models.ReferenceType? Type { get; init; }
+        public Microsoft.OpenApi.Models.ReferenceType Type { get; init; }
         public void SerializeAsV2(Microsoft.OpenApi.Writers.IOpenApiWriter writer) { }
         public void SerializeAsV3(Microsoft.OpenApi.Writers.IOpenApiWriter writer) { }
         public void SerializeAsV31(Microsoft.OpenApi.Writers.IOpenApiWriter writer) { }
@@ -1024,7 +1024,7 @@ namespace Microsoft.OpenApi.Models
         public string? Const { get; set; }
         public System.Text.Json.Nodes.JsonNode? Default { get; set; }
         public System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Models.Interfaces.IOpenApiSchema>? Definitions { get; set; }
-        public System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>> DependentRequired { get; set; }
+        public System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>>? DependentRequired { get; set; }
         public bool Deprecated { get; set; }
         public string? Description { get; set; }
         public Microsoft.OpenApi.Models.OpenApiDiscriminator? Discriminator { get; set; }
@@ -1377,7 +1377,7 @@ namespace Microsoft.OpenApi.Models.References
         public string? Const { get; }
         public System.Text.Json.Nodes.JsonNode? Default { get; }
         public System.Collections.Generic.IDictionary<string, Microsoft.OpenApi.Models.Interfaces.IOpenApiSchema>? Definitions { get; }
-        public System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>> DependentRequired { get; }
+        public System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>>? DependentRequired { get; }
         public bool Deprecated { get; }
         public string? Description { get; set; }
         public Microsoft.OpenApi.Models.OpenApiDiscriminator? Discriminator { get; }
@@ -1988,8 +1988,8 @@ namespace Microsoft.OpenApi.Writers
         public virtual void WriteValue(double value) { }
         public virtual void WriteValue(int value) { }
         public virtual void WriteValue(long value) { }
-        public virtual void WriteValue(object value) { }
         public virtual void WriteValue(float value) { }
+        public virtual void WriteValue(object? value) { }
         public abstract void WriteValue(string? value);
         protected abstract void WriteValueSeparator();
         public static void WriteV2Examples(Microsoft.OpenApi.Writers.IOpenApiWriter writer, Microsoft.OpenApi.Models.OpenApiExample example, Microsoft.OpenApi.OpenApiSpecVersion version) { }
@@ -1999,10 +1999,10 @@ namespace Microsoft.OpenApi.Writers
         public static void WriteOptionalCollection(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IEnumerable<string?>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, string?> action) { }
         public static void WriteOptionalCollection<T>(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IEnumerable<T>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, T> action) { }
         public static void WriteOptionalMap(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, bool>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, bool> action) { }
+        public static void WriteOptionalMap(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, System.Collections.Generic.ISet<string>> action) { }
         public static void WriteOptionalMap(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, string>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, string> action) { }
         public static void WriteOptionalMap(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, System.Text.Json.Nodes.JsonNode>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, System.Text.Json.Nodes.JsonNode> action) { }
         public static void WriteOptionalMap<T>(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, T>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, T> action)
-        public static void WriteOptionalMap(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, System.Collections.Generic.ISet<string>> elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, System.Collections.Generic.ISet<string>> action) { }
             where T : Microsoft.OpenApi.Interfaces.IOpenApiElement { }
         public static void WriteOptionalMap<T>(this Microsoft.OpenApi.Writers.IOpenApiWriter writer, string name, System.Collections.Generic.IDictionary<string, T>? elements, System.Action<Microsoft.OpenApi.Writers.IOpenApiWriter, string, T> action)
             where T : Microsoft.OpenApi.Interfaces.IOpenApiElement { }