IPowerDNSMetadataKind
IPowerDNSMetadataKind: "ALLOW-AXFR-FROM" | "API-RECTIFY" | "AXFR-SOURCE" | "ALLOW-DNSUPDATE-FROM" | "TSIG-ALLOW-DNSUPDATE" | "FORWARD-DNSUPDATE" | "SOA-EDIT-DNSUPDATE" | "NOTIFY-DNSUPDATE" | "ALSO-NOTIFY" | "AXFR-MASTER-TSIG" | "GSS-ALLOW-AXFR-PRINCIPAL" | "IXFR" | "LUA-AXFR-SCRIPT" | "NSEC3NARROW" | "NSEC3PARAM" | "PRESIGNED" | "PUBLISH-CDNSKEY" | "PUBLISH-CDS" | "SLAVE-RENOTIFY" | "SOA-EDIT" | "SOA-EDIT-API" | "TSIG-ALLOW-AXFR" | "TSIG-ALLOW-DNSUPDATE" | string