@Override
    public List<TenantDefinition> findTenants() {
        return List.copyOf(tenantDefinitionList);
    }
This is {@link DefaultTenantsManager}.

@author Misagh Moayyed
@since 7.2.0
core/cas-server-core-multitenancy/src/main/java/org/apereo/cas/multitenancy/DefaultTenantsManager.java