Azure SDK Review - Storage STG 99 Feature Intro

New SDK Review meeting has been requested.

**Service Name**: Azure Container Storage
**Review Created By**: Sean McCullough
**Review Date**: 04/29/2025 02:05 PM PT

**Release Plan**:[](https://web.powerapps.com/apps/821ab569-ae60-420d-8264-d7b5d5ef734c?release-plan-id=)
**Hero Scenarios Link**: Not Provided
**Architecture Diagram Link**: [here](https://microsoft.sharepoint.com/:u:/t/ProjectMandalay/EaESZYSJZe9Mh3AU_W6HFDgBoJW6PyeVsnpAmuZ8kF3Iew?e=CKvYzg)
**Core Concepts Doc Link**: Not Provided
**APIView Links**:

**Description**: Storage STG 98 feature intro meeting

Detailed meeting information and documents provided can be accessed [here](https://web.powerapps.com/apps/f0a98ca4-117c-4d4b-a06a-3e2cdfe46753?view=edit&event=bf476c9d-eafe-ef11-bae2-00224805fc27)

Features
- Returning source error code with CopyBlob error response
- [.NET PR](https://github.com/Azure/azure-sdk-for-net/pull/42845)
- ShareSnapshotNotFound error code
- [.NET PR](https://github.com/Azure/azure-sdk-for-net/pull/48975)
- Make QueueProperties.ApproximateMessagesCount a long
- [.NET PR](https://github.com/Azure/azure-sdk-for-net/pull/49000)

Start with the linked .NET PRs (#42845, #48975, and #49000) and the meeting information linked in the issue. The issue names no repository files, tests, or acceptance criteria, so completion cannot be determined from the issue alone.

Written by the indexing model from the issue text.