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

static const field core::Map<core::String*, dynamic>* generatorConfigDefaultJson = #C4;
static method helper(core::Map<core::String*, dynamic>* input) → void {
  core::print(input);
}
static method main() → void {
  final core::Map<core::String*, core::Null?>* nullValueMap = core::Map::fromEntries<core::String*, core::Null?>((#C4).{core::Map::entries}.{core::Iterable::map}<core::MapEntry<core::String*, core::Null?>*>((core::MapEntry<core::String*, dynamic>* e) → core::MapEntry<core::String*, core::Null?>* => new core::MapEntry::_<core::String*, core::Null?>(e.{core::MapEntry::key}, null)));
  self::helper(nullValueMap);
}

constants  {
  #C1 = "a"
  #C2 = 1
  #C3 = <dynamic>[#C1, #C2]
  #C4 = core::_ImmutableMap<core::String*, dynamic> {_kvPairs:#C3}
}