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 = <core::int, core::int>{1: 1, invalid-expression "unimplemented spread entry": null, invalid-expression "unimplemented spread entry": null};
  final core::Set<core::int> aSet = block {
    final core::Set<core::int> #t5 = col::LinkedHashSet::•<core::int>();
    #t5.{core::Set::add}(1);
    for (final core::int #t6 in <core::int>[2])
      #t5.{core::Set::add}(#t6);
    final dynamic #t7 = <core::int>[3];
    if(!#t7.{core::Object::==}(null))
      for (final core::int #t8 in #t7)
        #t5.{core::Set::add}(#t8);
  } =>#t5;
  final core::Map<dynamic, dynamic> aSetOrMap = <dynamic, dynamic>{invalid-expression "unimplemented spread entry": null};
  core::print(aList);
  core::print(aSet);
  core::print(aMap);
}
static method foo() → dynamic
  return null;