private boolean shouldSkipServer(ServerStats stats) {
        if ((circuitBreakerFiltering.getOrDefault() && stats.isCircuitBreakerTripped())
                || stats.getActiveRequestsCount() >= getActiveConnectionsLimit()) {
            return true;
        }
        return false;
    }
Predicate with the logic of filtering out circuit breaker tripped servers and servers 
with too many concurrent connections from this client.

@author awang
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/AvailabilityPredicate.java