Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v3, codecov/codecov-action@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'source' in 'XlmodExternalReference Enumerable.Single<XlmodExternalReference>(IEnumerable<XlmodExternalReference> source, Func<XlmodExternalReference, bool> predicate)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'source' in 'XlmodProperty Enumerable.Single<XlmodProperty>(IEnumerable<XlmodProperty> source, Func<XlmodProperty, bool> predicate)'.

Possible null reference argument for parameter 'source' in 'XlmodProperty Enumerable.Single<XlmodProperty>(IEnumerable<XlmodProperty> source, Func<XlmodProperty, bool> predicate)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'source' in 'XlmodRelationship Enumerable.Single<XlmodRelationship>(IEnumerable<XlmodRelationship> source, Func<XlmodRelationship, bool> predicate)'.