@Override
    public boolean supports(final Credential credential) {
        return super.supports(credential) && StringUtils.isNotBlank(credential.getTenant());
    }
This is {@link TenantPrincipalResolver}.

@author Misagh Moayyed
@since 7.3.0
support/cas-server-support-person-directory-core/src/main/java/org/apereo/cas/authentication/principal/resolvers/TenantPrincipalResolver.java