<PackageReference Include="Azure.Storage.Blobs" Version="12.26.0-beta.1" />

Azure.Storage.Blobs.Models.BlobBlock

public struct BlobBlock : IEquatable<BlobBlock>
Represents a single block in a block blob. It describes the block's ID and size.
namespace Azure.Storage.Blobs.Models { public readonly struct BlobBlock : IEquatable<BlobBlock> { public long SizeLong { get; } public int Size { get; } public string Name { get; } public bool Equals(BlobBlock other); } }