Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'existingValue' doesn't match overridden member (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' of 'void SecretYamlConverter.WriteYaml(IEmitter emitter, object value, Type type)' doesn't match implicitly implemented member 'void IYamlTypeConverter.WriteYaml(IEmitter emitter, object? value, Type type)' (possibly because of nullability attributes).

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.