Cannot convert null literal to non-nullable reference type.

Possible null reference argument for parameter 'parentId' in 'Activity Activity.SetParentId(string parentId)'.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in return type of 'Task<PostalInformationResponse?> GrarClient.GetPostalInformation(string postcode)' doesn't match implicitly implemented member 'Task<PostalInformationResponse> IGrarClient.GetPostalInformation(string postcode)'.

'Contactgegevens.Empty' hides inherited member 'ReadOnlyCollection<Contactgegeven>.Empty'. Use the new keyword if hiding was intended.

'Datum' defines 'Equals' but not 'GetHashCode'

'HoofdactiviteitenVerenigingsloket.Empty' hides inherited member 'ReadOnlyCollection<HoofdactiviteitVerenigingsloket>.Empty'. Use the new keyword if hiding was intended.

'Locaties.Empty' hides inherited member 'ReadOnlyCollection<Locatie>.Empty'. Use the new keyword if hiding was intended.

'Vertegenwoordigers.Empty' hides inherited member 'ReadOnlyCollection<Vertegenwoordiger>.Empty'. Use the new keyword if hiding was intended.

Dereference of a possibly null reference.

XML comment has badly formed XML -- 'End tag was not expected at this location.'

Possible null reference argument for parameter 'postgreSqlOptions' in 'void ConfigurationExtensions.ThrowIfInvalid(PostgreSqlOptionsSection postgreSqlOptions)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'uriString' in 'Uri.Uri(string uriString)'.

Possible null reference argument for parameter 'uriString' in 'Uri.Uri(string uriString)'.

Possible null reference argument for parameter 'id' in 'AtomFeedConfiguration.AtomFeedConfiguration(string id, string title, string subtitle, string generatorTitle, string generatorUri, string generatorVersion, string rights, DateTimeOffset updated, SyndicationPerson author, SyndicationLink selfUri, List<SyndicationLink> alternateUris, List<SyndicationLink> relatedUris)'.

Possible null reference argument for parameter 'title' in 'AtomFeedConfiguration.AtomFeedConfiguration(string id, string title, string subtitle, string generatorTitle, string generatorUri, string generatorVersion, string rights, DateTimeOffset updated, SyndicationPerson author, SyndicationLink selfUri, List<SyndicationLink> alternateUris, List<SyndicationLink> relatedUris)'.

Possible null reference argument for parameter 'subtitle' in 'AtomFeedConfiguration.AtomFeedConfiguration(string id, string title, string subtitle, string generatorTitle, string generatorUri, string generatorVersion, string rights, DateTimeOffset updated, SyndicationPerson author, SyndicationLink selfUri, List<SyndicationLink> alternateUris, List<SyndicationLink> relatedUris)'.

Possible null reference argument for parameter 'generatorTitle' in 'AtomFeedConfiguration.AtomFeedConfiguration(string id, string title, string subtitle, string generatorTitle, string generatorUri, string generatorVersion, string rights, DateTimeOffset updated, SyndicationPerson author, SyndicationLink selfUri, List<SyndicationLink> alternateUris, List<SyndicationLink> relatedUris)'.

Possible null reference argument for parameter 'generatorUri' in 'AtomFeedConfiguration.AtomFeedConfiguration(string id, string title, string subtitle, string generatorTitle, string generatorUri, string generatorVersion, string rights, DateTimeOffset updated, SyndicationPerson author, SyndicationLink selfUri, List<SyndicationLink> alternateUris, List<SyndicationLink> relatedUris)'.

No files were found with the provided path: /TestResults/*.html. No artifacts will be uploaded.

Nullability of reference types in return type of 'Task<PostalInformationResponse?> GrarClient.GetPostalInformation(string postcode)' doesn't match implicitly implemented member 'Task<PostalInformationResponse> IGrarClient.GetPostalInformation(string postcode)'.

'Contactgegevens.Empty' hides inherited member 'ReadOnlyCollection<Contactgegeven>.Empty'. Use the new keyword if hiding was intended.

'Datum' defines 'Equals' but not 'GetHashCode'

'HoofdactiviteitenVerenigingsloket.Empty' hides inherited member 'ReadOnlyCollection<HoofdactiviteitVerenigingsloket>.Empty'. Use the new keyword if hiding was intended.

'Locaties.Empty' hides inherited member 'ReadOnlyCollection<Locatie>.Empty'. Use the new keyword if hiding was intended.

'Vertegenwoordigers.Empty' hides inherited member 'ReadOnlyCollection<Vertegenwoordiger>.Empty'. Use the new keyword if hiding was intended.

Non-nullable property 'Adresvoorstelling' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Possible null reference assignment.

Non-nullable property 'AdresId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.