[keycloak-user] Get federated roles in user federation provider or authenticator

Hi all, I would like to ask if there is a way to get "federated roles" in a custom authenticator or custom user federation provider? I found that defining my own UserAdapter which extends AbstracrUserAdapterFederatedStorage, there is a method which can be overrided named "Set<RoleModel> getRoleMappingsInternal()". I tried to create a role mapping and populate that set with the roles the user has (in external database). Although, when I receive the security context in my client application, the roles are missing (I only see some realm default roles I created in the realm). I take a step further and tried to debug the code and reached to the point when the role assignation is done, and the roles I define are obtained from the user adapter, but then the roles which remain are the only which are defined in Keycloak. Is my assumption right? Is there a way to get what I need? Or I need to define each role in Keycloak as well? My user federation provider is a read only provider to the external database and the intention was to not maintain duplicated configuration. Any help is appreciated. Kind regards, Juan