library;
import self as self;
import "dart:core" as core;

static const field core::Map<core::String*, dynamic>* generatorConfigDefaultJson = const <core::String*, dynamic>{"a": 1};
static method helper(core::Map<core::String*, dynamic>* input) → void
  ;
static method main() → void
  ;


Extra constant evaluation status:
Evaluated: MapLiteral @ org-dartlang-testcase:///issue40744.dart:5:53 -> MapConstant(const <String*, dynamic>{"a": 1})
Extra constant evaluation: evaluated: 1, effectively constant: 1