intellij-sdk-code-samples/simple_language_plugin/testData/FoldingTestData.java

public class Test {
  public static void main(String[] args)

  <fold text=' { '>

  {
    </fold > System.out.println("<fold text='http://en.wikipedia.org/'>simple:website</fold>");<fold text = ' }' >
  }

  </fold>

  public static void main1(String[] args)

  <fold text=' { '>

  {
    </fold > System.out.println(
      "<fold text='This is the value that could be looked up with the key \"key with spaces\".'>simple:key with " +
      "spaces</fold>");<
    fold text = ' }' >
  }

  </fold>

  public static void main2(String[] args)

  <fold text=' { '>

  {
    </fold > System.out.println("<fold text='Welcome to \n          Wikipedia!'>simple:message</fold>");<
    fold text = ' }' >
  }

  </fold>
}