JetFile: fragment.kt
  BLOCK
    BINARY_EXPRESSION
      INTEGER_CONSTANT
        PsiElement(INTEGER_LITERAL)('1')
      PsiWhiteSpace(' ')
      OPERATION_REFERENCE
        PsiElement(PLUS)('+')
      PsiWhiteSpace(' ')
      INTEGER_CONSTANT
        PsiElement(INTEGER_LITERAL)('1')
    PsiWhiteSpace('\n')
    BINARY_EXPRESSION
      INTEGER_CONSTANT
        PsiElement(INTEGER_LITERAL)('1')
      PsiWhiteSpace(' ')
      OPERATION_REFERENCE
        PsiElement(MUL)('*')
      PsiWhiteSpace(' ')
      INTEGER_CONSTANT
        PsiElement(INTEGER_LITERAL)('1')