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

ExpectContinuePolicy

using Azure.Core; using Azure.Core.Pipeline; namespace Azure.Storage { internal class ExpectContinuePolicy : HttpPipelineSynchronousPolicy { public long ContentLengthThreshold { get; set; } public override void OnSendingRequest(HttpMessage message) { if (message.Request.Content != null && !CompatSwitches.DisableExpectContinueHeader && (!message.Request.Content.TryComputeLength(out long length) || length >= ContentLengthThreshold)) message.Request.Headers.SetValue("Expect", "100-continue"); } } }