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

static method main() → dynamic {
  final core::List<core::int> aList = block {
    final core::List<core::int> #t1 = <core::int>[];
    #t1.{core::List::add}(1);
    for (final core::int #t2 in <core::int>[2])
      #t1.{core::List::add}(#t2);
    final dynamic #t3 = <core::int>[3];
    if(!#t3.{core::Object::==}(null))
      for (final core::int #t4 in #t3)
        #t1.{core::List::add}(#t4);
  } =>#t1;
  final core::Map<core::int, core::int> aMap = block {
    final core::Map<core::int, core::int> #t5 = <core::int, core::int>{};
    #t5.{core::Map::[]=}(1, 1);
    for (final core::MapEntry<core::int, core::int> #t6 in <dynamic, dynamic>{2: 2})
      #t5.{core::Map::[]=}(#t6.{core::MapEntry::key}, #t6.{core::MapEntry::value});
    for (final core::MapEntry<core::int, core::int> #t7 in <dynamic, dynamic>{3: 3})
      #t5.{core::Map::[]=}(#t7.{core::MapEntry::key}, #t7.{core::MapEntry::value});
  } =>#t5;
  final core::Set<core::int> aSet = block {
    final core::Set<core::int> #t8 = col::LinkedHashSet::•<core::int>();
    #t8.{core::Set::add}(1);
    for (final core::int #t9 in <core::int>[2])
      #t8.{core::Set::add}(#t9);
    final dynamic #t10 = <core::int>[3];
    if(!#t10.{core::Object::==}(null))
      for (final core::int #t11 in #t10)
        #t8.{core::Set::add}(#t11);
  } =>#t8;
  final core::Map<dynamic, dynamic> aSetOrMap = block {
    final core::Map<dynamic, dynamic> #t12 = <dynamic, dynamic>{};
    for (final core::MapEntry<dynamic, dynamic> #t13 in self::foo() as{TypeError} core::Map<dynamic, dynamic>)
      #t12.{core::Map::[]=}(#t13.{core::MapEntry::key}, #t13.{core::MapEntry::value});
  } =>#t12;
  core::print(aList);
  core::print(aSet);
  core::print(aMap);
}
static method foo() → dynamic
  return null;