The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'source' in 'string InternalExtensions.ReplaceIfExists(string source, string strToReplace, string replaceWith)'.

Nullability of reference types in value of type '(Node? shortCircuitValue, int?)' doesn't match target type '(Node node, int? collectionLength)'.

Possible null reference return.

Possible null reference return.

Possible null reference return.

Nullability of reference types in value of type '(Node? shortCircuitValue, int?)' doesn't match target type '(Node node, int? collectionLength)'.

Possible null reference assignment.