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This pull request standardizes the handling of the `ContinuationPoint` property in `BrowseResult` objects, ensuring it is always explicitly set to `null` (or its equivalent) when no continuation point is present. This change improves clarity and consistency in both the implementation and the tests, replacing checks for an "empty" continuation point with checks for a "null" continuation point. **Codebase consistency and correctness:** * All `BrowseResult` objects now explicitly set `ContinuationPoint = default` when no continuation point is to be returned, ensuring consistent initialization. (`src/Opc.Ua.Server/NodeManager/MasterNodeManager.cs`) [[1]](diffhunk://#diff-851e5925c677925c42bd70bce11ea1a75a5f5cbdb810ac851351385e16f54a71L1900-R1904) [[2]](diffhunk://#diff-851e5925c677925c42bd70bce11ea1a75a5f5cbdb810ac851351385e16f54a71L2068-R2076) [[3]](diffhunk://#diff-851e5925c677925c42bd70bce11ea1a75a5f5cbdb810ac851351385e16f54a71L2078-R2090) **Test updates for new semantics:** * All test assertions now use `ContinuationPoint.IsNull` instead of `IsEmpty` to check for the absence of a continuation point, reflecting the new contract. (`tests/Opc.Ua.InformationModel.Tests/BrowseContinuationPointTests.cs`, `tests/Opc.Ua.Server.Tests/NodeManager/MasterNodeManagerDeterministicTests.cs`) [[1]](diffhunk://#diff-904275d6b4bee35e6884f38e0db5cbc955216eaf2aa7f468ba285133470e1596L121-R122) [[2]](diffhunk://#diff-904275d6b4bee35e6884f38e0db5cbc955216eaf2aa7f468ba285133470e1596L394-R394) [[3]](diffhunk://#diff-904275d6b4bee35e6884f38e0db5cbc955216eaf2aa7f468ba285133470e1596L435-R435) [[4]](diffhunk://#diff-904275d6b4bee35e6884f38e0db5cbc955216eaf2aa7f468ba285133470e1596L634-R634) [[5]](diffhunk://#diff-bda1da5dc01533ffe61d1c65b6e968b6462e11a63758ac95ded000ffc885345eL420-R420) * Additional test cases have been added to verify that completed browse operations and error scenarios always return a null continuation point. (`tests/Opc.Ua.Server.Tests/NodeManager/MasterNodeManagerDeterministicTests.cs`) [[1]](diffhunk://#diff-3d9efc81935ec60d7513334833e9eab033925194f5a0d11105668204cc60f54aR203-R230) [[2]](diffhunk://#diff-3d9efc81935ec60d7513334833e9eab033925194f5a0d11105668204cc60f54aR327) [[3]](diffhunk://#diff-3d9efc81935ec60d7513334833e9eab033925194f5a0d11105668204cc60f54aR349)# Description _Describe the changes here to communicate to the maintainers why they should accept this pull request. By default - this will become the Commit message after merging and thus define history._ ## Related Issues _Reference all GitHub issues this PR addresses. If there is no issue yet, open one and link it here._ _If this is a relatively large or complex change, a design must have been discussed in the related tracking issue and signed off (which becomes the Architectural Decision Record (ADR))._ - Fixes #github-issue-number, ... ## Checklist _Put an `x` in the boxes that apply. You can complete these step by step after opening the PR._ - [x] I have signed the [CLA](https://opcfoundation.org/license/cla/ContributorLicenseAgreementv1.0.pdf) and read the [CONTRIBUTING](https://github.com/OPCFoundation/UA-.NETStandard/blob/master/CONTRIBUTING.md) doc. - [x] I have added tests that prove my fix is effective or that my feature works and increased code coverage. - [x] I have added all necessary documentation. - [ ] I have verified that my changes do not introduce (new) build or analyzer warnings. - [ ] I ran **all** tests locally using the **UA.slnx** solution against at least .net **framework** and .net **10**, and all passed. - [ ] I fixed **all** failing and flaky tests in the CI pipelines and **all** CodeQL warnings. - [ ] I have addressed **all** PR feedback received. --------- Co-authored-by: Marc Schier <marcschier@users.noreply.github.com> Co-authored-by: Marc Schier <marcschier@hotmail.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>