"not" operator is not included in the kit.

[jonathanmachado]

Link refeference https://prismic.io/docs/dotnet/query-the-api/how-to-query-the-api-dotnet#11_0-notpath-value

Not it's possible access not method.

Waiting for this.

Thanks and regards

[benembery]

@jonathanmachado this is supported in the newer .NET standard library. You could PR it back into this library if you can't upgrade.
https://github.com/adaptivewebworks/prismicio-netstandard-kit/blob/master/src/prismicio.AspNetCore/Predicates.cs#L175