main = <No Member>;
library from "org-dartlang-test:///main.dart" as main {

  import "dart:collection";

  abstract class _WithListMixin&Object&ListMixin extends dart.core::Object implements dart.collection::ListMixin<dart.core::int*> /*isAnonymousMixin,isEliminatedMixin,hasConstConstructor*/  {
    const synthetic constructor •() → main::_WithListMixin&Object&ListMixin*
      : super dart.core::Object::•()
      ;
    abstract member-signature get length() → dart.core::int*;
    abstract member-signature operator [](dart.core::int* index) → dart.core::int*;
    abstract member-signature operator []=(dart.core::int* index, generic-covariant-impl dart.core::int* value) → void;
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ iterator() → dart.core::Iterator<dart.core::int*>
      return new dart._internal::ListIterator::•<dart.core::int*>(this);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ elementAt(dart.core::int index) → dart.core::int*
      return this.{dart.core::List::[]}(index);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ followedBy(generic-covariant-impl dart.core::Iterable<dart.core::int*> other) → dart.core::Iterable<dart.core::int*>
      return dart._internal::FollowedByIterable::firstEfficient<dart.core::int*>(this, other);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ forEach((dart.core::int*) → void action) → void {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        action.call(this.{dart.core::List::[]}(i));
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
    }
    @#C3
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ isEmpty() → dart.core::bool
      return this.{dart.core::List::length}.{dart.core::num::==}(0);
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ isNotEmpty() → dart.core::bool
      return !this.{dart.collection::ListMixin::isEmpty};
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ contains(dart.core::Object? element) → dart.core::bool {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        if(this.{dart.core::List::[]}(i).{dart.core::Object::==}(element))
          return true;
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      return false;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ every((dart.core::int*) → dart.core::bool test) → dart.core::bool {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        if(!test.call(this.{dart.core::List::[]}(i)))
          return false;
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      return true;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ any((dart.core::int*) → dart.core::bool test) → dart.core::bool {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        if(test.call(this.{dart.core::List::[]}(i)))
          return true;
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      return false;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ firstWhere((dart.core::int*) → dart.core::bool test, {generic-covariant-impl () →? dart.core::int* orElse = #C2}) → dart.core::int* {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        dart.core::int* element = this.{dart.core::List::[]}(i);
        if(test.call(element))
          return element;
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      if(!orElse.{dart.core::Object::==}(null))
        return orElse{() → dart.core::int*}.call();
      throw dart._internal::IterableElementError::noElement();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ lastWhere((dart.core::int*) → dart.core::bool test, {generic-covariant-impl () →? dart.core::int* orElse = #C2}) → dart.core::int* {
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = length.{dart.core::num::-}(1); i.{dart.core::num::>=}(0); i = i.{dart.core::num::-}(1)) {
        dart.core::int* element = this.{dart.core::List::[]}(i);
        if(test.call(element))
          return element;
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      if(!orElse.{dart.core::Object::==}(null))
        return orElse{() → dart.core::int*}.call();
      throw dart._internal::IterableElementError::noElement();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ singleWhere((dart.core::int*) → dart.core::bool test, {generic-covariant-impl () →? dart.core::int* orElse = #C2}) → dart.core::int* {
      dart.core::int length = this.{dart.core::List::length};
      late dart.core::int* match;
      dart.core::bool matchFound = false;
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        dart.core::int* element = this.{dart.core::List::[]}(i);
        if(test.call(element)) {
          if(matchFound) {
            throw dart._internal::IterableElementError::tooMany();
          }
          matchFound = true;
          match = element;
        }
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      if(matchFound)
        return match;
      if(!orElse.{dart.core::Object::==}(null))
        return orElse{() → dart.core::int*}.call();
      throw dart._internal::IterableElementError::noElement();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ join([dart.core::String separator = #C4]) → dart.core::String {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        return "";
      dart.core::StringBuffer buffer = let final dart.core::StringBuffer #t1 = new dart.core::StringBuffer::•() in let final void #t2 = #t1.{dart.core::StringBuffer::writeAll}(this, separator) in #t1;
      return buffer.{dart.core::StringBuffer::toString}();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ where((dart.core::int*) → dart.core::bool test) → dart.core::Iterable<dart.core::int*>
      return new dart._internal::WhereIterable::•<dart.core::int*>(this, test);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ whereType<T extends dart.core::Object? = dynamic>() → dart.core::Iterable<main::_WithListMixin&Object&ListMixin::whereType::T%>
      return new dart._internal::WhereTypeIterable::•<main::_WithListMixin&Object&ListMixin::whereType::T%>(this);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ map<T extends dart.core::Object? = dynamic>((dart.core::int*) → main::_WithListMixin&Object&ListMixin::map::T% f) → dart.core::Iterable<main::_WithListMixin&Object&ListMixin::map::T%>
      return new dart._internal::MappedListIterable::•<dart.core::int*, main::_WithListMixin&Object&ListMixin::map::T%>(this, f);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ expand<T extends dart.core::Object? = dynamic>((dart.core::int*) → dart.core::Iterable<main::_WithListMixin&Object&ListMixin::expand::T%> f) → dart.core::Iterable<main::_WithListMixin&Object&ListMixin::expand::T%>
      return new dart._internal::ExpandIterable::•<dart.core::int*, main::_WithListMixin&Object&ListMixin::expand::T%>(this, f);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ reduce(generic-covariant-impl (dart.core::int*, dart.core::int*) → dart.core::int* combine) → dart.core::int* {
      dart.core::int length = this.{dart.core::List::length};
      if(length.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      dart.core::int* value = this.{dart.core::List::[]}(0);
      for (dart.core::int i = 1; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        value = combine.call(value, this.{dart.core::List::[]}(i));
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      return value;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ fold<T extends dart.core::Object? = dynamic>(main::_WithListMixin&Object&ListMixin::fold::T% initialValue, (main::_WithListMixin&Object&ListMixin::fold::T%, dart.core::int*) → main::_WithListMixin&Object&ListMixin::fold::T% combine) → main::_WithListMixin&Object&ListMixin::fold::T% {
      main::_WithListMixin&Object&ListMixin::fold::T% value = initialValue;
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        value = combine.call(value, this.{dart.core::List::[]}(i));
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      return value;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ skip(dart.core::int count) → dart.core::Iterable<dart.core::int*>
      return new dart._internal::SubListIterable::•<dart.core::int*>(this, count, null);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ skipWhile((dart.core::int*) → dart.core::bool test) → dart.core::Iterable<dart.core::int*> {
      return new dart._internal::SkipWhileIterable::•<dart.core::int*>(this, test);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ take(dart.core::int count) → dart.core::Iterable<dart.core::int*>
      return new dart._internal::SubListIterable::•<dart.core::int*>(this, 0, count);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ takeWhile((dart.core::int*) → dart.core::bool test) → dart.core::Iterable<dart.core::int*> {
      return new dart._internal::TakeWhileIterable::•<dart.core::int*>(this, test);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ toList({dart.core::bool growable = #C5}) → dart.core::List<dart.core::int*> {
      if(this.{dart.collection::ListMixin::isEmpty})
        return dart.core::List::empty<dart.core::int*>(growable: growable);
      dart.core::int* first = this.{dart.core::List::[]}(0);
      dart.core::List<dart.core::int*> result = dart.core::List::filled<dart.core::int*>(this.{dart.core::List::length}, first, growable: growable);
      for (dart.core::int i = 1; i.{dart.core::num::<}(this.{dart.core::List::length}); i = i.{dart.core::num::+}(1)) {
        result.{dart.core::List::[]=}(i, this.{dart.core::List::[]}(i));
      }
      return result;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ toSet() → dart.core::Set<dart.core::int*> {
      dart.core::Set<dart.core::int*> result = dart.collection::LinkedHashSet::•<dart.core::int*>();
      for (dart.core::int i = 0; i.{dart.core::num::<}(this.{dart.core::List::length}); i = i.{dart.core::num::+}(1)) {
        result.{dart.core::Set::add}(this.{dart.core::List::[]}(i));
      }
      return result;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ addAll(generic-covariant-impl dart.core::Iterable<dart.core::int*> iterable) → void {
      dart.core::int i = this.{dart.core::List::length};
      {
        dart.core::Iterator<dart.core::int*> :sync-for-iterator = iterable.{dart.core::Iterable::iterator};
        for (; :sync-for-iterator.{dart.core::Iterator::moveNext}(); ) {
          dart.core::int* element = :sync-for-iterator.{dart.core::Iterator::current};
          {
            assert(this.{dart.core::List::length}.{dart.core::num::==}(i) || (throw new dart.core::ConcurrentModificationError::•(this)));
            this.{dart.collection::ListMixin::add}(element);
            i = i.{dart.core::num::+}(1);
          }
        }
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ remove(dart.core::Object? element) → dart.core::bool {
      for (dart.core::int i = 0; i.{dart.core::num::<}(this.{dart.core::List::length}); i = i.{dart.core::num::+}(1)) {
        if(this.{dart.core::List::[]}(i).{dart.core::Object::==}(element)) {
          this.{dart.collection::ListMixin::_closeGap}(i, i.{dart.core::num::+}(1));
          return true;
        }
      }
      return false;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ _closeGap(dart.core::int start, dart.core::int end) → void {
      dart.core::int length = this.{dart.core::List::length};
      assert(0.{dart.core::num::<=}(start));
      assert(start.{dart.core::num::<}(end));
      assert(end.{dart.core::num::<=}(length));
      dart.core::int size = end.{dart.core::num::-}(start);
      for (dart.core::int i = end; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        this.{dart.core::List::[]=}(i.{dart.core::num::-}(size), this.{dart.core::List::[]}(i));
      }
      this.{dart.core::List::length} = length.{dart.core::num::-}(size);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ removeWhere((dart.core::int*) → dart.core::bool test) → void {
      this.{dart.collection::ListMixin::_filter}(test, false);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ retainWhere((dart.core::int*) → dart.core::bool test) → void {
      this.{dart.collection::ListMixin::_filter}(test, true);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ _filter((dart.core::int*) → dart.core::bool test, dart.core::bool retainMatching) → void {
      dart.core::List<dart.core::int*> retained = <dart.core::int*>[];
      dart.core::int length = this.{dart.core::List::length};
      for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
        dart.core::int* element = this.{dart.core::List::[]}(i);
        if(test.call(element).{dart.core::Object::==}(retainMatching)) {
          retained.{dart.core::List::add}(element);
        }
        if(!length.{dart.core::num::==}(this.{dart.core::List::length})) {
          throw new dart.core::ConcurrentModificationError::•(this);
        }
      }
      if(!retained.{dart.core::List::length}.{dart.core::num::==}(this.{dart.core::List::length})) {
        this.{dart.collection::ListMixin::setRange}(0, retained.{dart.core::List::length}, retained);
        this.{dart.core::List::length} = retained.{dart.core::List::length};
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ cast<R extends dart.core::Object? = dynamic>() → dart.core::List<main::_WithListMixin&Object&ListMixin::cast::R%>
      return dart.core::List::castFrom<dart.core::int*, main::_WithListMixin&Object&ListMixin::cast::R%>(this);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ sort([(dart.core::int*, dart.core::int*) →? dart.core::int compare = #C2]) → void {
      dart._internal::Sort::sort<dart.core::int*>(this, let final (dart.core::int*, dart.core::int*) →? dart.core::int #t3 = compare in #t3.{dart.core::Object::==}(null) ?{(dart.core::int*, dart.core::int*) → dart.core::int} #C6 : #t3{(dart.core::int*, dart.core::int*) → dart.core::int});
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ shuffle([dart.math::Random? random = #C2]) → void {
      random.{dart.core::Object::==}(null) ?{dart.math::Random} random = dart.math::Random::•() : null;
      if(random{dart.math::Random}.{dart.core::Object::==}(null))
        throw "!";
      dart.core::int length = this.{dart.core::List::length};
      while (length.{dart.core::num::>}(1)) {
        dart.core::int pos = random{dart.math::Random}.{dart.math::Random::nextInt}(length);
        length = length.{dart.core::num::-}(1);
        dart.core::int* tmp = this.{dart.core::List::[]}(length);
        this.{dart.core::List::[]=}(length, this.{dart.core::List::[]}(pos));
        this.{dart.core::List::[]=}(pos, tmp);
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ asMap() → dart.core::Map<dart.core::int, dart.core::int*> {
      return new dart._internal::ListMapView::•<dart.core::int*>(this);
    }
    operator /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ +(generic-covariant-impl dart.core::List<dart.core::int*> other) → dart.core::List<dart.core::int*>
      return block {
        final dart.core::List<dart.core::int*> #t4 = <dart.core::int*>[];
        {
          dart.core::Iterator<dart.core::int*> :sync-for-iterator = this.{dart.core::Iterable::iterator};
          for (; :sync-for-iterator.{dart.core::Iterator::moveNext}(); ) {
            final dart.core::int* #t5 = :sync-for-iterator.{dart.core::Iterator::current};
            #t4.{dart.core::List::add}(#t5);
          }
        }
        {
          dart.core::Iterator<dart.core::int*> :sync-for-iterator = other.{dart.core::Iterable::iterator};
          for (; :sync-for-iterator.{dart.core::Iterator::moveNext}(); ) {
            final dart.core::int* #t6 = :sync-for-iterator.{dart.core::Iterator::current};
            #t4.{dart.core::List::add}(#t6);
          }
        }
      } =>#t4;
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ sublist(dart.core::int start, [dart.core::int? end = #C2]) → dart.core::List<dart.core::int*> {
      dart.core::int listLength = this.{dart.core::List::length};
      end.{dart.core::num::==}(null) ?{dart.core::int} end = listLength : null;
      if(end{dart.core::int}.{dart.core::num::==}(null))
        throw "!";
      dart.core::RangeError::checkValidRange(start, end{dart.core::int}, listLength);
      return dart.core::List::from<dart.core::int*>(this.{dart.collection::ListMixin::getRange}(start, end{dart.core::int}));
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ getRange(dart.core::int start, dart.core::int end) → dart.core::Iterable<dart.core::int*> {
      dart.core::RangeError::checkValidRange(start, end, this.{dart.core::List::length});
      return new dart._internal::SubListIterable::•<dart.core::int*>(this, start, end);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ removeRange(dart.core::int start, dart.core::int end) → void {
      dart.core::RangeError::checkValidRange(start, end, this.{dart.core::List::length});
      if(end.{dart.core::num::>}(start)) {
        this.{dart.collection::ListMixin::_closeGap}(start, end);
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ fillRange(dart.core::int start, dart.core::int end, [generic-covariant-impl dart.core::int? fill = #C2]) → void {
      dart.core::int* value = fill as{ForNonNullableByDefault} dart.core::int*;
      dart.core::RangeError::checkValidRange(start, end, this.{dart.core::List::length});
      for (dart.core::int i = start; i.{dart.core::num::<}(end); i = i.{dart.core::num::+}(1)) {
        this.{dart.core::List::[]=}(i, value);
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ setRange(dart.core::int start, dart.core::int end, generic-covariant-impl dart.core::Iterable<dart.core::int*> iterable, [dart.core::int skipCount = #C7]) → void {
      dart.core::RangeError::checkValidRange(start, end, this.{dart.core::List::length});
      dart.core::int length = end.{dart.core::num::-}(start);
      if(length.{dart.core::num::==}(0))
        return;
      dart.core::RangeError::checkNotNegative(skipCount, "skipCount");
      dart.core::List<dart.core::int*> otherList;
      dart.core::int otherStart;
      if(iterable is{ForNonNullableByDefault} dart.core::List<dart.core::int*>) {
        otherList = iterable{dart.core::List<dart.core::int*>};
        otherStart = skipCount;
      }
      else {
        otherList = iterable.{dart.core::Iterable::skip}(skipCount).{dart.core::Iterable::toList}(growable: false);
        otherStart = 0;
      }
      if(otherStart.{dart.core::num::+}(length).{dart.core::num::>}(otherList.{dart.core::List::length})) {
        throw dart._internal::IterableElementError::tooFew();
      }
      if(otherStart.{dart.core::num::<}(start)) {
        for (dart.core::int i = length.{dart.core::num::-}(1); i.{dart.core::num::>=}(0); i = i.{dart.core::num::-}(1)) {
          this.{dart.core::List::[]=}(start.{dart.core::num::+}(i), otherList.{dart.core::List::[]}(otherStart.{dart.core::num::+}(i)));
        }
      }
      else {
        for (dart.core::int i = 0; i.{dart.core::num::<}(length); i = i.{dart.core::num::+}(1)) {
          this.{dart.core::List::[]=}(start.{dart.core::num::+}(i), otherList.{dart.core::List::[]}(otherStart.{dart.core::num::+}(i)));
        }
      }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ replaceRange(dart.core::int start, dart.core::int end, generic-covariant-impl dart.core::Iterable<dart.core::int*> newContents) → void {
      dart.core::RangeError::checkValidRange(start, end, this.{dart.core::List::length});
      if(start.{dart.core::num::==}(this.{dart.core::List::length})) {
        this.{dart.collection::ListMixin::addAll}(newContents);
        return;
      }
      if(!(newContents is{ForNonNullableByDefault} dart._internal::EfficientLengthIterable<dynamic>)) {
        newContents = newContents.{dart.core::Iterable::toList}();
      }
      dart.core::int removeLength = end.{dart.core::num::-}(start);
      dart.core::int insertLength = newContents.{dart.core::Iterable::length};
      if(removeLength.{dart.core::num::>=}(insertLength)) {
        dart.core::int insertEnd = start.{dart.core::num::+}(insertLength);
        this.{dart.collection::ListMixin::setRange}(start, insertEnd, newContents);
        if(removeLength.{dart.core::num::>}(insertLength)) {
          this.{dart.collection::ListMixin::_closeGap}(insertEnd, end);
        }
      }
      else
        if(end.{dart.core::num::==}(this.{dart.core::List::length})) {
          dart.core::int i = start;
          {
            dart.core::Iterator<dart.core::int*> :sync-for-iterator = newContents.{dart.core::Iterable::iterator};
            for (; :sync-for-iterator.{dart.core::Iterator::moveNext}(); ) {
              dart.core::int* element = :sync-for-iterator.{dart.core::Iterator::current};
              {
                if(i.{dart.core::num::<}(end)) {
                  this.{dart.core::List::[]=}(i, element);
                }
                else {
                  this.{dart.collection::ListMixin::add}(element);
                }
                i = i.{dart.core::num::+}(1);
              }
            }
          }
        }
        else {
          dart.core::int delta = insertLength.{dart.core::num::-}(removeLength);
          dart.core::int oldLength = this.{dart.core::List::length};
          dart.core::int insertEnd = start.{dart.core::num::+}(insertLength);
          for (dart.core::int i = oldLength.{dart.core::num::-}(delta); i.{dart.core::num::<}(oldLength); i = i.{dart.core::num::+}(1)) {
            this.{dart.collection::ListMixin::add}(this.{dart.core::List::[]}(i.{dart.core::num::>}(0) ?{dart.core::int} i : 0));
          }
          if(insertEnd.{dart.core::num::<}(oldLength)) {
            this.{dart.collection::ListMixin::setRange}(insertEnd, oldLength, this, end);
          }
          this.{dart.collection::ListMixin::setRange}(start, insertEnd, newContents);
        }
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ indexOf(generic-covariant-impl dart.core::Object? element, [dart.core::int start = #C7]) → dart.core::int {
      if(start.{dart.core::num::<}(0))
        start = 0;
      for (dart.core::int i = start; i.{dart.core::num::<}(this.{dart.core::List::length}); i = i.{dart.core::num::+}(1)) {
        if(this.{dart.core::List::[]}(i).{dart.core::Object::==}(element))
          return i;
      }
      return 1.{dart.core::int::unary-}();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ indexWhere((dart.core::int*) → dart.core::bool test, [dart.core::int start = #C7]) → dart.core::int {
      if(start.{dart.core::num::<}(0))
        start = 0;
      for (dart.core::int i = start; i.{dart.core::num::<}(this.{dart.core::List::length}); i = i.{dart.core::num::+}(1)) {
        if(test.call(this.{dart.core::List::[]}(i)))
          return i;
      }
      return 1.{dart.core::int::unary-}();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ lastIndexOf(generic-covariant-impl dart.core::Object? element, [dart.core::int? start = #C2]) → dart.core::int {
      if(start.{dart.core::num::==}(null) || start{dart.core::int}.{dart.core::num::>=}(this.{dart.core::List::length}))
        start = this.{dart.core::List::length}.{dart.core::num::-}(1);
      if(start{dart.core::int}.{dart.core::num::==}(null))
        throw "!";
      for (dart.core::int i = start{dart.core::int}; i.{dart.core::num::>=}(0); i = i.{dart.core::num::-}(1)) {
        if(this.{dart.core::List::[]}(i).{dart.core::Object::==}(element))
          return i;
      }
      return 1.{dart.core::int::unary-}();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ lastIndexWhere((dart.core::int*) → dart.core::bool test, [dart.core::int? start = #C2]) → dart.core::int {
      if(start.{dart.core::num::==}(null) || start{dart.core::int}.{dart.core::num::>=}(this.{dart.core::List::length}))
        start = this.{dart.core::List::length}.{dart.core::num::-}(1);
      if(start{dart.core::int}.{dart.core::num::==}(null))
        throw "!";
      for (dart.core::int i = start{dart.core::int}; i.{dart.core::num::>=}(0); i = i.{dart.core::num::-}(1)) {
        if(test.call(this.{dart.core::List::[]}(i)))
          return i;
      }
      return 1.{dart.core::int::unary-}();
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ insert(dart.core::int index, generic-covariant-impl dart.core::int* element) → void {
      dart.core::ArgumentError::checkNotNull<dart.core::int>(index, "index");
      dart.core::RangeError::checkValueInInterval(index, 0, this.{dart.core::List::length}, "index");
      if(index.{dart.core::num::==}(this.{dart.core::List::length})) {
        this.{dart.collection::ListMixin::add}(element);
        return;
      }
      this.{dart.core::List::length} = this.{dart.core::List::length}.{dart.core::num::+}(1);
      this.{dart.collection::ListMixin::setRange}(index.{dart.core::num::+}(1), this.{dart.core::List::length}, this, index);
      this.{dart.core::List::[]=}(index, element);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ removeAt(dart.core::int index) → dart.core::int* {
      dart.core::int* result = this.{dart.core::List::[]}(index);
      this.{dart.collection::ListMixin::_closeGap}(index, index.{dart.core::num::+}(1));
      return result;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ insertAll(dart.core::int index, generic-covariant-impl dart.core::Iterable<dart.core::int*> iterable) → void {
      dart.core::RangeError::checkValueInInterval(index, 0, this.{dart.core::List::length}, "index");
      if(index.{dart.core::num::==}(this.{dart.core::List::length})) {
        this.{dart.collection::ListMixin::addAll}(iterable);
        return;
      }
      if(!(iterable is{ForNonNullableByDefault} dart._internal::EfficientLengthIterable<dynamic>) || dart.core::identical(iterable, this)) {
        iterable = iterable.{dart.core::Iterable::toList}();
      }
      dart.core::int insertionLength = iterable.{dart.core::Iterable::length};
      if(insertionLength.{dart.core::num::==}(0)) {
        return;
      }
      dart.core::int oldLength = this.{dart.core::List::length};
      for (dart.core::int i = oldLength.{dart.core::num::-}(insertionLength); i.{dart.core::num::<}(oldLength); i = i.{dart.core::num::+}(1)) {
        this.{dart.collection::ListMixin::add}(this.{dart.core::List::[]}(i.{dart.core::num::>}(0) ?{dart.core::int} i : 0));
      }
      if(!iterable.{dart.core::Iterable::length}.{dart.core::num::==}(insertionLength)) {
        this.{dart.core::List::length} = this.{dart.core::List::length}.{dart.core::num::-}(insertionLength);
        throw new dart.core::ConcurrentModificationError::•(iterable);
      }
      dart.core::int oldCopyStart = index.{dart.core::num::+}(insertionLength);
      if(oldCopyStart.{dart.core::num::<}(oldLength)) {
        this.{dart.collection::ListMixin::setRange}(oldCopyStart, oldLength, this, index);
      }
      this.{dart.collection::ListMixin::setAll}(index, iterable);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ setAll(dart.core::int index, generic-covariant-impl dart.core::Iterable<dart.core::int*> iterable) → void {
      if(iterable is{ForNonNullableByDefault} dart.core::List<dynamic>) {
        this.{dart.collection::ListMixin::setRange}(index, index.{dart.core::num::+}(iterable.{dart.core::Iterable::length}), iterable);
      }
      else {
        {
          dart.core::Iterator<dart.core::int*> :sync-for-iterator = iterable.{dart.core::Iterable::iterator};
          for (; :sync-for-iterator.{dart.core::Iterator::moveNext}(); ) {
            dart.core::int* element = :sync-for-iterator.{dart.core::Iterator::current};
            {
              this.{dart.core::List::[]=}(let final dart.core::int #t7 = index in let final dart.core::int #t8 = index = #t7.{dart.core::num::+}(1) in #t7, element);
            }
          }
        }
      }
    }
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ reversed() → dart.core::Iterable<dart.core::int*>
      return new dart._internal::ReversedListIterable::•<dart.core::int*>(this);
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ toString() → dart.core::String
      return dart.collection::IterableBase::iterableToFullString(this, "[", "]");
    abstract member-signature get _identityHashCode() → dart.core::int*;
    abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → dart.core::bool*;
    abstract member-signature method _simpleInstanceOf(dynamic type) → dart.core::bool*;
    abstract member-signature method _simpleInstanceOfTrue(dynamic type) → dart.core::bool*;
    abstract member-signature method _simpleInstanceOfFalse(dynamic type) → dart.core::bool*;
    abstract member-signature operator ==(dynamic other) → dart.core::bool*;
    abstract member-signature get hashCode() → dart.core::int*;
    abstract member-signature method noSuchMethod(dart.core::Invocation* invocation) → dynamic;
    abstract member-signature get runtimeType() → dart.core::Type*;
    abstract member-signature set length(dart.core::int* newLength) → void;
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ first() → dart.core::int* {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      return this.{dart.core::List::[]}(0);
    }
    set /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ first(generic-covariant-impl dart.core::int* value) → void {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      this.{dart.core::List::[]=}(0, value);
    }
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ last() → dart.core::int* {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      return this.{dart.core::List::[]}(this.{dart.core::List::length}.{dart.core::num::-}(1));
    }
    set /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ last(generic-covariant-impl dart.core::int* value) → void {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      this.{dart.core::List::[]=}(this.{dart.core::List::length}.{dart.core::num::-}(1), value);
    }
    get /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ single() → dart.core::int* {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0))
        throw dart._internal::IterableElementError::noElement();
      if(this.{dart.core::List::length}.{dart.core::num::>}(1))
        throw dart._internal::IterableElementError::tooMany();
      return this.{dart.core::List::[]}(0);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ add(generic-covariant-impl dart.core::int* element) → void {
      this.{dart.core::List::[]=}(let final dart.core::int #t9 = this.{dart.core::List::length} in let final dart.core::int #t10 = this.{dart.core::List::length} = #t9.{dart.core::num::+}(1) in #t9, element);
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ clear() → void {
      this.{dart.core::List::length} = 0;
    }
    method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ removeLast() → dart.core::int* {
      if(this.{dart.core::List::length}.{dart.core::num::==}(0)) {
        throw dart._internal::IterableElementError::noElement();
      }
      dart.core::int* result = this.{dart.core::List::[]}(this.{dart.core::List::length}.{dart.core::num::-}(1));
      this.{dart.core::List::length} = this.{dart.core::List::length}.{dart.core::num::-}(1);
      return result;
    }
    static method /*isNonNullableByDefault, from org-dartlang-sdk:///sdk_nnbd/lib/collection/list.dart */ _compareAny(dynamic a, dynamic b) → dart.core::int {
      return dart.core::Comparable::compare(a as{ForNonNullableByDefault} dart.core::Comparable<dynamic>, b as{ForNonNullableByDefault} dart.core::Comparable<dynamic>);
    }
  }
  class WithListMixin extends main::_WithListMixin&Object&ListMixin {
    field dart.core::int* length = 2;
    synthetic constructor •() → main::WithListMixin*
      : super main::_WithListMixin&Object&ListMixin::•()
      ;
    operator [](dart.core::int* index) → dart.core::int*
      return index;
    operator []=(dart.core::int* index, generic-covariant-impl dart.core::int* value) → void
      return null;
    abstract member-signature get iterator() → dart.core::Iterator<dart.core::int*>*;
    abstract member-signature method elementAt(dart.core::int* index) → dart.core::int*;
    abstract member-signature method followedBy(generic-covariant-impl dart.core::Iterable<dart.core::int*>* other) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method forEach((dart.core::int*) →* void action) → void;
    abstract member-signature get isEmpty() → dart.core::bool*;
    abstract member-signature get isNotEmpty() → dart.core::bool*;
    abstract member-signature method contains(dart.core::Object* element) → dart.core::bool*;
    abstract member-signature method every((dart.core::int*) →* dart.core::bool* test) → dart.core::bool*;
    abstract member-signature method any((dart.core::int*) →* dart.core::bool* test) → dart.core::bool*;
    abstract member-signature method firstWhere((dart.core::int*) →* dart.core::bool* test, {generic-covariant-impl () →* dart.core::int* orElse = #C2}) → dart.core::int*;
    abstract member-signature method lastWhere((dart.core::int*) →* dart.core::bool* test, {generic-covariant-impl () →* dart.core::int* orElse = #C2}) → dart.core::int*;
    abstract member-signature method singleWhere((dart.core::int*) →* dart.core::bool* test, {generic-covariant-impl () →* dart.core::int* orElse = #C2}) → dart.core::int*;
    abstract member-signature method join([dart.core::String* separator = #C4]) → dart.core::String*;
    abstract member-signature method where((dart.core::int*) →* dart.core::bool* test) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method whereType<T extends dart.core::Object* = dynamic>() → dart.core::Iterable<main::WithListMixin::whereType::T*>*;
    abstract member-signature method map<T extends dart.core::Object* = dynamic>((dart.core::int*) →* main::WithListMixin::map::T* f) → dart.core::Iterable<main::WithListMixin::map::T*>*;
    abstract member-signature method expand<T extends dart.core::Object* = dynamic>((dart.core::int*) →* dart.core::Iterable<main::WithListMixin::expand::T*>* f) → dart.core::Iterable<main::WithListMixin::expand::T*>*;
    abstract member-signature method reduce(generic-covariant-impl (dart.core::int*, dart.core::int*) →* dart.core::int* combine) → dart.core::int*;
    abstract member-signature method fold<T extends dart.core::Object* = dynamic>(main::WithListMixin::fold::T* initialValue, (main::WithListMixin::fold::T*, dart.core::int*) →* main::WithListMixin::fold::T* combine) → main::WithListMixin::fold::T*;
    abstract member-signature method skip(dart.core::int* count) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method skipWhile((dart.core::int*) →* dart.core::bool* test) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method take(dart.core::int* count) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method takeWhile((dart.core::int*) →* dart.core::bool* test) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method toList({dart.core::bool* growable = #C5}) → dart.core::List<dart.core::int*>*;
    abstract member-signature method toSet() → dart.core::Set<dart.core::int*>*;
    abstract member-signature method addAll(generic-covariant-impl dart.core::Iterable<dart.core::int*>* iterable) → void;
    abstract member-signature method remove(dart.core::Object* element) → dart.core::bool*;
    abstract member-signature method _closeGap(dart.core::int* start, dart.core::int* end) → void;
    abstract member-signature method removeWhere((dart.core::int*) →* dart.core::bool* test) → void;
    abstract member-signature method retainWhere((dart.core::int*) →* dart.core::bool* test) → void;
    abstract member-signature method _filter((dart.core::int*) →* dart.core::bool* test, dart.core::bool* retainMatching) → void;
    abstract member-signature method cast<R extends dart.core::Object* = dynamic>() → dart.core::List<main::WithListMixin::cast::R*>*;
    abstract member-signature method sort([(dart.core::int*, dart.core::int*) →* dart.core::int* compare = #C2]) → void;
    abstract member-signature method shuffle([dart.math::Random* random = #C2]) → void;
    abstract member-signature method asMap() → dart.core::Map<dart.core::int*, dart.core::int*>*;
    abstract member-signature operator +(generic-covariant-impl dart.core::List<dart.core::int*>* other) → dart.core::List<dart.core::int*>*;
    abstract member-signature method sublist(dart.core::int* start, [dart.core::int* end = #C2]) → dart.core::List<dart.core::int*>*;
    abstract member-signature method getRange(dart.core::int* start, dart.core::int* end) → dart.core::Iterable<dart.core::int*>*;
    abstract member-signature method removeRange(dart.core::int* start, dart.core::int* end) → void;
    abstract member-signature method fillRange(dart.core::int* start, dart.core::int* end, [generic-covariant-impl dart.core::int* fill = #C2]) → void;
    abstract member-signature method setRange(dart.core::int* start, dart.core::int* end, generic-covariant-impl dart.core::Iterable<dart.core::int*>* iterable, [dart.core::int* skipCount = #C7]) → void;
    abstract member-signature method replaceRange(dart.core::int* start, dart.core::int* end, generic-covariant-impl dart.core::Iterable<dart.core::int*>* newContents) → void;
    abstract member-signature method indexOf(generic-covariant-impl dart.core::Object* element, [dart.core::int* start = #C7]) → dart.core::int*;
    abstract member-signature method indexWhere((dart.core::int*) →* dart.core::bool* test, [dart.core::int* start = #C7]) → dart.core::int*;
    abstract member-signature method lastIndexOf(generic-covariant-impl dart.core::Object* element, [dart.core::int* start = #C2]) → dart.core::int*;
    abstract member-signature method lastIndexWhere((dart.core::int*) →* dart.core::bool* test, [dart.core::int* start = #C2]) → dart.core::int*;
    abstract member-signature method insert(dart.core::int* index, generic-covariant-impl dart.core::int* element) → void;
    abstract member-signature method removeAt(dart.core::int* index) → dart.core::int*;
    abstract member-signature method insertAll(dart.core::int* index, generic-covariant-impl dart.core::Iterable<dart.core::int*>* iterable) → void;
    abstract member-signature method setAll(dart.core::int* index, generic-covariant-impl dart.core::Iterable<dart.core::int*>* iterable) → void;
    abstract member-signature get reversed() → dart.core::Iterable<dart.core::int*>*;
  }
}
constants  {
  #C1 = "vm:prefer-inline"
  #C2 = null
  #C3 = dart.core::pragma {name:#C1, options:#C2}
  #C4 = ""
  #C5 = true
  #C6 = tearoff dart.collection::ListMixin::_compareAny
  #C7 = 0
}