@Override
  public void setSSLProperties(Properties sslProperties) {
    this.sslProperties = sslProperties;
    if (this.sslProperties == null) {
      this.sslProperties = new Properties();
    }
    configChanged();
  }
Returns true if the string is null or empty.
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/AgentConfigImpl.java