JetFile: SimpleScript.ktscript
  NAMESPACE_HEADER
    <empty list>
  SCRIPT
    BLOCK
      CALL_EXPRESSION
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('println')
        VALUE_ARGUMENT_LIST
          PsiElement(LPAR)('(')
          VALUE_ARGUMENT
            INTEGER_CONSTANT
              PsiElement(INTEGER_LITERAL)('1')
          PsiElement(RPAR)(')')