How to integrate with C#?

[gaoconggit]

# Replace "vX.Y.Z" with a specific version tag (e.g., "v0.1.0") from
# https://github.com/kubernetes-sigs/agent-sandbox/releases
export VERSION="v0.1.0"

# To install only the core components:
kubectl apply -f https://github.com/kubernetes-sigs/agent-sandbox/releases/download/${VERSION}/manifest.yaml

# To install the extensions components:
kubectl apply -f https://github.com/kubernetes-sigs/agent-sandbox/releases/download/${VERSION}/extensions.yaml

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I have successfully run the command line above.
I have already integrated Kubernetes jobs using KubernetesClient; how can I migrate to this new system?