Errors: {
}
method /*isLegacy, from org-dartlang-debug:synthetic_debug_expression */ debugExpr(dynamic a, dynamic b) → dynamic
  return ((dynamic a, dynamic b) → dart.core::bool* {
    if(!(a{dynamic}._usedData =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._usedData) || !(a{dynamic}._deletedKeys =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._deletedKeys) || !(a{dynamic}._hashMask =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._hashMask) || !(a{dynamic}._index{dynamic}.length =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._index{dynamic}.length) || !(a{dynamic}._data{dynamic}.length =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._data{dynamic}.length)) {
      return false;
    }
    for (dart.core::int* i = 0; i.{dart.core::num::<}(a{dynamic}._index{dynamic}.length as{TypeError,ForDynamic} dart.core::num*){(dart.core::num*) →* dart.core::bool*}; i = i.{dart.core::num::+}(1){(dart.core::num*) →* dart.core::int*}) {
      if(!(a{dynamic}._index{dynamic}.[](i) =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b{dynamic}._index{dynamic}.[](i))) {
        return false;
      }
    }
    for (dart.core::int* i = 0; i.{dart.core::num::<}(a{dynamic}._data{dynamic}.length as{TypeError,ForDynamic} dart.core::num*){(dart.core::num*) →* dart.core::bool*}; i = i.{dart.core::num::+}(1){(dart.core::num*) →* dart.core::int*}) {
      dynamic ad = a{dynamic}._data{dynamic}.[](i);
      dynamic bd = b{dynamic}._data{dynamic}.[](i);
      if(!dart.core::identical(ad, bd) && !(ad =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} a && bd =={dart.core::Object::==}{(dart.core::Object*) →* dart.core::bool*} b)) {
        return false;
      }
    }
    return true;
  })(a, b){(dynamic, dynamic) →* dart.core::bool*};