https://github.com/linksplatform/Collections/blob/f4904999fdc5b74835877f687143262004bda56c/Platform.Collections/Segments/Segment.cs#L12 https://docs.microsoft.com/en-us/dotnet/api/system.arraysegment-1 https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.primitives.stringsegment
