# Set the cluster availability level

{/* Stub. Operator recipe: declare cluster.capabilities.multiNode and availabilityZones, read the derived cluster.availability.substrate, pin cluster.availability.default, override one instance, read the emitted topologySpreadConstraints and PodDisruptionBudget. Source: clusters/test-spread.nix, scripts/kind-spread.sh, PR 115 and 116 bodies. */}