KtFile: SimpleScript.kts
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>
  SCRIPT
    BLOCK
      SCRIPT_INITIALIZER
        CALL_EXPRESSION
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('println')
          VALUE_ARGUMENT_LIST
            PsiElement(LPAR)('(')
            VALUE_ARGUMENT
              INTEGER_CONSTANT
                PsiElement(INTEGER_LITERAL)('1')
            PsiElement(RPAR)(')')