'ArgumentNullException' does not contain a definition for 'ThrowIfNull'

'ArgumentNullException' does not contain a definition for 'ThrowIfNull'

'ArgumentNullException' does not contain a definition for 'ThrowIfNull'

The type or namespace name 'Common' does not exist in the namespace 'Prism.Core.Tests' (are you missing an assembly reference?)

Process completed with exit code 1.

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

Nullability of reference types in return type of 'IEnumerator<KeyValuePair<string, object?>> ParametersBase.GetEnumerator()' doesn't match implicitly implemented member 'IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()'.

Possible null reference return.

Possible null reference assignment.

Possible null reference assignment.

Argument of type 'List<KeyValuePair<string, object?>>' cannot be used for parameter 'parameters' of type 'IEnumerable<KeyValuePair<string, object>>' in 'bool ParametersExtensions.ContainsKey(IEnumerable<KeyValuePair<string, object>> parameters, string key)' due to differences in the nullability of reference types.

Argument of type 'List<KeyValuePair<string, object?>>' cannot be used for parameter 'parameters' of type 'IEnumerable<KeyValuePair<string, object>>' in 'T ParametersExtensions.GetValue<T>(IEnumerable<KeyValuePair<string, object>> parameters, string key)' due to differences in the nullability of reference types.

Argument of type 'List<KeyValuePair<string, object?>>' cannot be used for parameter 'parameters' of type 'IEnumerable<KeyValuePair<string, object>>' in 'IEnumerable<T> ParametersExtensions.GetValues<T>(IEnumerable<KeyValuePair<string, object>> parameters, string key)' due to differences in the nullability of reference types.

Argument of type 'List<KeyValuePair<string, object?>>' cannot be used for parameter 'parameters' of type 'IEnumerable<KeyValuePair<string, object>>' in 'bool ParametersExtensions.TryGetValue<T>(IEnumerable<KeyValuePair<string, object>> parameters, string key, out T value)' due to differences in the nullability of reference types.

Nullability of reference types in return type of 'IEnumerator<KeyValuePair<string, object?>> ParametersBase.GetEnumerator()' doesn't match implicitly implemented member 'IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()'.