<PackageReference Include="Azure.Storage.Files.DataLake" Version="12.29.0-beta.1" />

Azure.Storage.Files.DataLake.Optional

static class Optional
public static bool IsCollectionDefined<T>(IEnumerable<T> collection)

public static bool IsCollectionDefined<TKey, TValue>(IDictionary<TKey, TValue> collection)

public static bool IsCollectionDefined<TKey, TValue>(IReadOnlyDictionary<TKey, TValue> collection)

public static bool IsDefined<T>(T? value) where T : struct

public static bool IsDefined(object value)

public static bool IsDefined(string value)

public static bool IsDefined<T>(T? value, bool isDefined) where T : struct

public static bool IsDefined(object value, bool isDefined)

public static bool IsDefined(JsonElement value)

public static bool IsDefined(JsonElement value, bool isDefined)