Diagnostics from file:
  for PSI element of type KtNamedFunction at (3,5-32)
    ANONYMOUS_FUNCTION_WITH_NAME      text ranges: [(28,31)]
      PSI: KtNamedFunction at (3,5-32)
  for PSI element of type KtNameReferenceExpression at (3,31-32)
    RETURN_TYPE_MISMATCH      text ranges: [(50,51)]
      PSI: KtNameReferenceExpression at (3,31-32)
  for PSI element of type KtNameReferenceExpression at (2,6-9)
    UNRESOLVED_REFERENCE      text ranges: [(15,18)]
      PSI: KtNameReferenceExpression at (2,6-9)
