public static void SetStream(this ICustomOperationSpanBuilder builder, string stream) =>
builder.SetCustomAnnotation("stream", stream);
public static void SetCoordinates(this ICustomOperationSpanBuilder builder, StreamCoordinates coordinates) =>
builder.SetCustomAnnotation("coordinates", coordinates.ToString());
public static void SetShard(this ICustomOperationSpanBuilder builder, int index, int count) =>
builder.SetCustomAnnotation("shard", $"{index}/{count}");