foo{println it
3
-----
Groovy script
  Method call
    Reference expression
      PsiElement(identifier)('foo')
    Arguments
      <empty list>
    Closable block
      PsiElement({)('{')
      Parameter list
        <empty list>
      Call expression
        Reference expression
          PsiElement(identifier)('println')
        PsiWhiteSpace(' ')
        Command arguments
          Reference expression
            PsiElement(identifier)('it')
      PsiElement(new line)('\n')
      Literal
        PsiElement(Integer)('3')
      PsiErrorElement:'}' expected
        <empty list>