https://access.redhat.com/webassets/avalon/d/red_hat_build_of_keycloak-26/javadocs/org/keycloak/authorization/policy/provider/class-use/PolicyProvider.html
Uses of Interface org.keycloak.authorization.policy.provider.PolicyProvider (Keycloak Docs...
use: package: org.keycloak.authorization.policy.provider, interface: PolicyProvider
authorization policyusesinterfacekeycloakprovider
https://www.nuget.org/packages/BeyondAuth.PolicyProvider.Storage.RavenDB/
NuGet Gallery | BeyondAuth.PolicyProvider.Storage.RavenDB 1.4.1
BeyondAuth policy server RavenDB cache storage provider
nuget gallerystorageravendb