/// <summary>
/// Gets the <see cref="JsonTypeInfo"/> contract metadata resolved by the current <see cref="JsonSerializerOptions"/> instance.
/// </summary>
/// <param name="type">The type to resolve contract metadata for.</param>
/// <returns>The contract metadata resolved for <paramref name="type"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <see langword="null"/>.</exception>
/// <exception cref="ArgumentException"><paramref name="type"/> is not valid for serialization.</exception>
/// <remarks>
/// Returned metadata can be downcast to <see cref="JsonTypeInfo{T}"/> and used with the relevant <see cref="JsonSerializer"/> overloads.
///
/// If the <see cref="JsonSerializerOptions"/> instance is locked for modification, the method will return a cached instance for the metadata.
/// </remarks>
public JsonTypeInfo GetTypeInfo(Type type)
{
if (type is null)
{
ThrowHelper.ThrowArgumentNullException(nameof(type));
}
if (JsonTypeInfo.IsInvalidForSerialization(type))
{
ThrowHelper.ThrowArgumentException_CannotSerializeInvalidType(nameof(type), type, null, null);
}
return(GetTypeInfoInternal(type, resolveIfMutable: true));
}
