void initMonitors(String name) {
        if (this.pool instanceof NamedConnectionPool) {
            ((NamedConnectionPool) this.pool).initMonitors(name);
        }
    }
A connection manager that uses {@link NamedConnectionPool}, which provides
connection reuse statistics, as its underlying connection pool.

@author awang
ribbon-httpclient/src/main/java/com/netflix/http4/MonitoredConnectionManager.java