Namespaces          []StringMatch `json:"namespaces,omitempty"`
	NotNamespaces       []StringMatch `json:"notNamespaces,omitempty"`
	Principals          []StringMatch `json:"principals,omitempty"`
	NotPrincipals       []StringMatch `json:"notPrincipals,omitempty"`
	SourceIps           []string      `json:"sourceIps,omitempty"`
	NotSourceIps        []string      `json:"notSourceIps,omitempty"`

  mtls:
    mode: STRICT
  portLevelMtls:
    9090:
      mode: PERMISSIVE
```

will be translated into this `Authorization`:

```yaml
action: DENY
groups:
- rules:
  - matches:
    - notPrincipals:
      - presence: {}
- rules:
  - matches:
    - notDestinationPorts:
      - 9090
name: converted_peer_authentication_strict-and-permissive-mtls
scope: WORKLOAD_SELECTOR
```

                                description: Optional.
                                items:
                                  type: string
                                type: array
                              notPrincipals:
                                description: Optional.
                                items:
                                  type: string
                                type: array