<PackageReference Include="System.Text.Json" Version="8.0.0-preview.2.23128.3" />

JsonNumberHandlingAttribute

public sealed class JsonNumberHandlingAttribute : JsonAttribute
When placed on a type, property, or field, indicates what JsonNumberHandling settings should be used when serializing or deserializing numbers.
public JsonNumberHandling Handling { get; }

Indicates what settings should be used when serializing or deserializing numbers.

public JsonNumberHandlingAttribute(JsonNumberHandling handling)

Initializes a new instance of JsonNumberHandlingAttribute.