JetFile: fragment.kt
  BLOCK
    PsiErrorElement:Package directive and imports are forbidden in code fragments
      PACKAGE_DIRECTIVE
        PsiElement(package)('package')
        PsiWhiteSpace(' ')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('a')
      IMPORT_LIST
        <empty list>
    PsiWhiteSpace('\n')
    PROPERTY
      PsiElement(val)('val')
      PsiWhiteSpace(' ')
      PsiElement(IDENTIFIER)('a')
      PsiWhiteSpace(' ')
      PsiElement(EQ)('=')
      PsiWhiteSpace(' ')
      INTEGER_CONSTANT
        PsiElement(INTEGER_LITERAL)('1')