code: public void setExtendedKeyUsage(java.util.Collection<String> extendedKeyUsage) {
          if (extendedKeyUsage == null) {
              this.extendedKeyUsage = null;
              return;
          }
  
          this.extendedKeyUsage = new java.util.ArrayList<String>(extendedKeyUsage);
      }
docs: <p>
  Specify one or more <a>ExtendedKeyUsage</a> extension values.
  </p>
  
  @param extendedKeyUsage
  Specify one or more <a>ExtendedKeyUsage</a> extension values.
  @see ExtendedKeyUsageName