kubernetes/staging/src/k8s.io/apiserver/pkg/server/options/testdata/encryption-configs/multiple-kms-providers.yaml

kind: EncryptionConfiguration
apiVersion: apiserver.config.k8s.io/v1
resources:
  - resources:
      - secrets
    providers:
      - kms:
          name: kms-provider-1
          cachesize: 1000
          endpoint: unix:///@provider1.sock
      - kms:
          name: kms-provider-2
          cachesize: 1000
          endpoint: unix:///@provider2.sock