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

kind: EncryptionConfiguration
apiVersion: apiserver.config.k8s.io/v1
resources:
  - resources:
      - secrets
    providers:
      - kms:
          name: foo
          endpoint: unix:///tmp/testprovider.sock
          timeout:   15s
      - kms:
          name: bar
          endpoint: unix:///tmp/testprovider.sock
          timeout:   15s