diff --git a/dwds/lib/src/injected/client.js b/dwds/lib/src/injected/client.js
index 477ac07..285829d 100644
--- a/dwds/lib/src/injected/client.js
+++ b/dwds/lib/src/injected/client.js
@@ -1,4 +1,4 @@
-// Generated by dart2js (NullSafetyMode.sound, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.3.0-174.3.beta.
+// Generated by dart2js (NullSafetyMode.sound, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.2.5.
 // The code supports the following hooks:
 // dartPrint(message):
 //    if this function is defined it is called instead of the Dart [print]
@@ -34,9 +34,8 @@
     var keys = Object.keys(from);
     for (var i = 0; i < keys.length; i++) {
       var key = keys[i];
-      if (!to.hasOwnProperty(key)) {
+      if (!to.hasOwnProperty(key))
         to[key] = from[key];
-      }
     }
   }
   function mixinPropertiesEasy(from, to) {
@@ -75,9 +74,8 @@
     }
   }
   function inheritMany(sup, classes) {
-    for (var i = 0; i < classes.length; i++) {
+    for (var i = 0; i < classes.length; i++)
       inherit(classes[i], sup);
-    }
   }
   function mixinEasy(cls, mixin) {
     mixinPropertiesEasy(mixin.prototype, cls.prototype);
@@ -100,13 +98,11 @@
         if (holder[name] === uninitializedSentinel) {
           result = holder[name] = sentinelInProgress;
           result = holder[name] = initializer();
-        } else {
+        } else
           result = holder[name];
-        }
       } finally {
-        if (result === sentinelInProgress) {
+        if (result === sentinelInProgress)
           holder[name] = null;
-        }
         holder[getterName] = function() {
           return this[name];
         };
@@ -118,9 +114,8 @@
     var uninitializedSentinel = holder;
     holder[name] = uninitializedSentinel;
     holder[getterName] = function() {
-      if (holder[name] === uninitializedSentinel) {
+      if (holder[name] === uninitializedSentinel)
         holder[name] = initializer();
-      }
       holder[getterName] = function() {
         return this[name];
       };
@@ -133,9 +128,8 @@
     holder[getterName] = function() {
       if (holder[name] === uninitializedSentinel) {
         var value = initializer();
-        if (holder[name] !== uninitializedSentinel) {
+        if (holder[name] !== uninitializedSentinel)
           A.throwLateFieldADI(name);
-        }
         holder[name] = value;
       }
       var finalValue = holder[name];
@@ -158,9 +152,8 @@
     return properties;
   }
   function convertAllToFastObject(arrayOfObjects) {
-    for (var i = 0; i < arrayOfObjects.length; ++i) {
+    for (var i = 0; i < arrayOfObjects.length; ++i)
       convertToFastObject(arrayOfObjects[i]);
-    }
   }
   var functionCounter = 0;
   function instanceTearOffGetter(isIntercepted, parameters) {
@@ -185,9 +178,8 @@
   }
   var typesOffset = 0;
   function tearOffParameters(container, isStatic, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, needsDirectAccess) {
-    if (typeof funType == "number") {
+    if (typeof funType == "number")
       funType += typesOffset;
-    }
     return {co: container, iS: isStatic, iI: isIntercepted, rC: requiredParameterCount, dV: optionalParameterDefaultValues, cs: callNames, fs: funsOrNames, fT: funType, aI: applyIndex || 0, nDA: needsDirectAccess};
   }
   function installStaticTearOff(holder, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex) {
@@ -580,9 +572,6 @@
     sort$1$ax(receiver, a0) {
       return J.getInterceptor$ax(receiver).sort$1(receiver, a0);
     },
-    take$1$ax(receiver, a0) {
-      return J.getInterceptor$ax(receiver).take$1(receiver, a0);
-    },
     then$1$1$x(receiver, a0, $T1) {
       return J.getInterceptor$x(receiver).then$1$1(receiver, a0, $T1);
     },
@@ -701,14 +690,6 @@
         return new A.EfficientLengthMappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
       return new A.MappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("MappedIterable<1,2>"));
     },
-    TakeIterable_TakeIterable(iterable, takeCount, $E) {
-      var _s9_ = "takeCount";
-      A.ArgumentError_checkNotNull(takeCount, _s9_, type$.int);
-      A.RangeError_checkNotNegative(takeCount, _s9_);
-      if (type$.EfficientLengthIterable_dynamic._is(iterable))
-        return new A.EfficientLengthTakeIterable(iterable, takeCount, $E._eval$1("EfficientLengthTakeIterable<0>"));
-      return new A.TakeIterable(iterable, takeCount, $E._eval$1("TakeIterable<0>"));
-    },
     SkipIterable_SkipIterable(iterable, count, $E) {
       var _s5_ = "count";
       if (type$.EfficientLengthIterable_dynamic._is(iterable)) {
@@ -1018,7 +999,7 @@
     SubListIterable: function SubListIterable(t0, t1, t2, t3) {
       var _ = this;
       _.__internal$_iterable = t0;
-      _._start = t1;
+      _.__internal$_start = t1;
       _._endOrLength = t2;
       _.$ti = t3;
     },
@@ -1062,21 +1043,6 @@
       this._f = t1;
       this.$ti = t2;
     },
-    TakeIterable: function TakeIterable(t0, t1, t2) {
-      this.__internal$_iterable = t0;
-      this._takeCount = t1;
-      this.$ti = t2;
-    },
-    EfficientLengthTakeIterable: function EfficientLengthTakeIterable(t0, t1, t2) {
-      this.__internal$_iterable = t0;
-      this._takeCount = t1;
-      this.$ti = t2;
-    },
-    TakeIterator: function TakeIterator(t0, t1, t2) {
-      this._iterator = t0;
-      this._remaining = t1;
-      this.$ti = t2;
-    },
     SkipIterable: function SkipIterable(t0, t1, t2) {
       this.__internal$_iterable = t0;
       this._skipCount = t1;
@@ -1703,11 +1669,14 @@
       t1.toString;
       $prototype = isStatic ? Object.create(new A.StaticClosure().constructor.prototype) : Object.create(new A.BoundClosure(null, null).constructor.prototype);
       $prototype.$initialize = $prototype.constructor;
-      $constructor = isStatic ? function static_tear_off() {
-        this.$initialize();
-      } : function tear_off(a, b) {
-        this.$initialize(a, b);
-      };
+      if (isStatic)
+        $constructor = function static_tear_off() {
+          this.$initialize();
+        };
+      else
+        $constructor = function tear_off(a, b) {
+          this.$initialize(a, b);
+        };
       $prototype.constructor = $constructor;
       $constructor.prototype = $prototype;
       $prototype.$_name = $name;
@@ -1805,9 +1774,12 @@
       }
     },
     Closure_forwardCallTo(stubName, $function, isIntercepted, needsDirectAccess) {
+      var arity, t1;
       if (isIntercepted)
         return A.Closure_forwardInterceptedCallTo(stubName, $function, needsDirectAccess);
-      return A.Closure_cspForwardCall($function.length, needsDirectAccess, stubName, $function);
+      arity = $function.length;
+      t1 = A.Closure_cspForwardCall(arity, needsDirectAccess, stubName, $function);
+      return t1;
     },
     Closure_cspForwardInterceptedCall(arity, needsDirectAccess, stubName, $function) {
       var getReceiver = A.BoundClosure_receiverOf,
@@ -2254,7 +2226,7 @@
     _AllMatchesIterable: function _AllMatchesIterable(t0, t1, t2) {
       this._re = t0;
       this._string = t1;
-      this.__js_helper$_start = t2;
+      this._start = t2;
     },
     _AllMatchesIterator: function _AllMatchesIterator(t0, t1, t2) {
       var _ = this;
@@ -2382,6 +2354,12 @@
       var future = rti._precomputed1;
       return future == null ? rti._precomputed1 = A._Universe__lookupInterfaceRti(universe, "Future", [rti._primary]) : future;
     },
+    Rti__getIsSubtypeCache(rti) {
+      var probe = rti._isSubtypeCache;
+      if (probe != null)
+        return probe;
+      return rti._isSubtypeCache = new Map();
+    },
     Rti__isUnionOfFunctionType(rti) {
       var kind = rti._kind;
       if (kind === 6 || kind === 7 || kind === 8)
@@ -2514,11 +2492,13 @@
       return target;
     },
     closureFunctionType(closure) {
-      var signature = closure.$signature;
+      var t1,
+        signature = closure.$signature;
       if (signature != null) {
         if (typeof signature == "number")
           return A.getTypeFromTypesTable(signature);
-        return closure.$signature();
+        t1 = closure.$signature();
+        return t1;
       }
       return null;
     },
@@ -2629,7 +2609,7 @@
       var t1, unstarred, unstarredKind, isFn, $name, predicate, testRti = this;
       if (testRti === type$.Object)
         return A._finishIsFn(testRti, object, A._isObject);
-      if (!A.isSoundTopType(testRti))
+      if (!A.isStrongTopType(testRti))
         if (!(testRti === type$.legacy_Object))
           t1 = false;
         else
@@ -2659,7 +2639,7 @@
         return A._finishIsFn(testRti, object, isFn);
       if (unstarredKind === 9) {
         $name = unstarred._primary;
-        if (unstarred._rest.every(A.isDefinitelyTopType)) {
+        if (unstarred._rest.every(A.isTopType)) {
           testRti._specializedTestResource = "$is" + $name;
           if ($name === "List")
             return A._finishIsFn(testRti, object, A._isListTestViaProperty);
@@ -2678,7 +2658,7 @@
     _installSpecializedAsCheck(object) {
       var t1, testRti = this,
         asFn = A._generalAsCheckImplementation;
-      if (!A.isSoundTopType(testRti))
+      if (!A.isStrongTopType(testRti))
         if (!(testRti === type$.legacy_Object))
           t1 = false;
         else
@@ -2700,7 +2680,7 @@
     _nullIs(testRti) {
       var t1,
         kind = testRti._kind;
-      if (!A.isSoundTopType(testRti))
+      if (!A.isStrongTopType(testRti))
         if (!(testRti === type$.legacy_Object))
           if (!(testRti === type$.legacy_Never))
             if (kind !== 7)
@@ -2752,9 +2732,10 @@
       return !!J.getInterceptor$(object)[tag];
     },
     _generalAsCheckImplementation(object) {
-      var testRti = this;
+      var t1, testRti = this;
       if (object == null) {
-        if (A.isNullable(testRti))
+        t1 = A.isNullable(testRti);
+        if (t1)
           return object;
       } else if (testRti._is(object))
         return object;
@@ -3015,7 +2996,7 @@
       return typeParametersText + "(" + argumentsText + ") => " + returnTypeText;
     },
     _rtiToString(rti, genericContext) {
-      var questionArgument, s, argumentKind, $name, $arguments, t1, t2,
+      var s, questionArgument, argumentKind, $name, $arguments, t1, t2,
         kind = rti._kind;
       if (kind === 5)
         return "erased";
@@ -3027,8 +3008,10 @@
         return "Never";
       if (kind === 4)
         return "any";
-      if (kind === 6)
-        return A._rtiToString(rti._primary, genericContext);
+      if (kind === 6) {
+        s = A._rtiToString(rti._primary, genericContext);
+        return s;
+      }
       if (kind === 7) {
         questionArgument = rti._primary;
         s = A._rtiToString(questionArgument, genericContext);
@@ -3160,7 +3143,7 @@
       var baseKind, t1, rti;
       if (normalize) {
         baseKind = baseType._kind;
-        if (!A.isSoundTopType(baseType))
+        if (!A.isStrongTopType(baseType))
           t1 = baseType === type$.Null || baseType === type$.JSNull || baseKind === 7 || baseKind === 6;
         else
           t1 = true;
@@ -3187,7 +3170,7 @@
       var baseKind, t1, starArgument, rti;
       if (normalize) {
         baseKind = baseType._kind;
-        if (!A.isSoundTopType(baseType))
+        if (!A.isStrongTopType(baseType))
           if (!(baseType === type$.Null || baseType === type$.JSNull))
             if (baseKind !== 7)
               t1 = baseKind === 8 && A.isNullable(baseType._primary);
@@ -3226,10 +3209,17 @@
       return t1;
     },
     _Universe__createFutureOrRti(universe, baseType, key, normalize) {
-      var t1, rti;
+      var t1, t2, rti;
       if (normalize) {
         t1 = baseType._kind;
-        if (A.isSoundTopType(baseType) || baseType === type$.Object || baseType === type$.legacy_Object)
+        if (!A.isStrongTopType(baseType))
+          if (!(baseType === type$.legacy_Object))
+            t2 = false;
+          else
+            t2 = true;
+        else
+          t2 = true;
+        if (t2 || baseType === type$.Object)
           return baseType;
         else if (t1 === 1)
           return A._Universe__lookupInterfaceRti(universe, "Future", [baseType]);
@@ -3678,25 +3668,19 @@
     },
     isSubtype(universe, s, t) {
       var result,
-        sCache = s._isSubtypeCache;
-      if (sCache == null)
-        sCache = s._isSubtypeCache = new Map();
-      result = sCache.get(t);
-      if (result == null) {
-        result = A._isSubtype(universe, s, null, t, null, false) ? 1 : 0;
-        sCache.set(t, result);
-      }
-      if (0 === result)
-        return false;
-      if (1 === result)
-        return true;
-      return true;
+        sCache = A.Rti__getIsSubtypeCache(s),
+        probe = sCache.get(t);
+      if (probe != null)
+        return probe;
+      result = A._isSubtype(universe, s, null, t, null);
+      sCache.set(t, result);
+      return result;
     },
-    _isSubtype(universe, s, sEnv, t, tEnv, isLegacy) {
+    _isSubtype(universe, s, sEnv, t, tEnv) {
       var t1, sKind, leftTypeVariable, tKind, t2, sBounds, tBounds, sLength, i, sBound, tBound;
       if (s === t)
         return true;
-      if (!A.isSoundTopType(t))
+      if (!A.isStrongTopType(t))
         if (!(t === type$.legacy_Object))
           t1 = false;
         else
@@ -3708,7 +3692,7 @@
       sKind = s._kind;
       if (sKind === 4)
         return true;
-      if (A.isSoundTopType(s))
+      if (A.isStrongTopType(s))
         return false;
       if (s._kind !== 1)
         t1 = false;
@@ -3718,45 +3702,45 @@
         return true;
       leftTypeVariable = sKind === 14;
       if (leftTypeVariable)
-        if (A._isSubtype(universe, sEnv[s._primary], sEnv, t, tEnv, false))
+        if (A._isSubtype(universe, sEnv[s._primary], sEnv, t, tEnv))
           return true;
       tKind = t._kind;
       t1 = s === type$.Null || s === type$.JSNull;
       if (t1) {
         if (tKind === 8)
-          return A._isSubtype(universe, s, sEnv, t._primary, tEnv, false);
+          return A._isSubtype(universe, s, sEnv, t._primary, tEnv);
         return t === type$.Null || t === type$.JSNull || tKind === 7 || tKind === 6;
       }
       if (t === type$.Object) {
         if (sKind === 8)
-          return A._isSubtype(universe, s._primary, sEnv, t, tEnv, false);
+          return A._isSubtype(universe, s._primary, sEnv, t, tEnv);
         if (sKind === 6)
-          return A._isSubtype(universe, s._primary, sEnv, t, tEnv, false);
+          return A._isSubtype(universe, s._primary, sEnv, t, tEnv);
         return sKind !== 7;
       }
       if (sKind === 6)
-        return A._isSubtype(universe, s._primary, sEnv, t, tEnv, false);
+        return A._isSubtype(universe, s._primary, sEnv, t, tEnv);
       if (tKind === 6) {
         t1 = A.Rti__getQuestionFromStar(universe, t);
-        return A._isSubtype(universe, s, sEnv, t1, tEnv, false);
+        return A._isSubtype(universe, s, sEnv, t1, tEnv);
       }
       if (sKind === 8) {
-        if (!A._isSubtype(universe, s._primary, sEnv, t, tEnv, false))
+        if (!A._isSubtype(universe, s._primary, sEnv, t, tEnv))
           return false;
-        return A._isSubtype(universe, A.Rti__getFutureFromFutureOr(universe, s), sEnv, t, tEnv, false);
+        return A._isSubtype(universe, A.Rti__getFutureFromFutureOr(universe, s), sEnv, t, tEnv);
       }
       if (sKind === 7) {
-        t1 = A._isSubtype(universe, type$.Null, sEnv, t, tEnv, false);
-        return t1 && A._isSubtype(universe, s._primary, sEnv, t, tEnv, false);
+        t1 = A._isSubtype(universe, type$.Null, sEnv, t, tEnv);
+        return t1 && A._isSubtype(universe, s._primary, sEnv, t, tEnv);
       }
       if (tKind === 8) {
-        if (A._isSubtype(universe, s, sEnv, t._primary, tEnv, false))
+        if (A._isSubtype(universe, s, sEnv, t._primary, tEnv))
           return true;
-        return A._isSubtype(universe, s, sEnv, A.Rti__getFutureFromFutureOr(universe, t), tEnv, false);
+        return A._isSubtype(universe, s, sEnv, A.Rti__getFutureFromFutureOr(universe, t), tEnv);
       }
       if (tKind === 7) {
-        t1 = A._isSubtype(universe, s, sEnv, type$.Null, tEnv, false);
-        return t1 || A._isSubtype(universe, s, sEnv, t._primary, tEnv, false);
+        t1 = A._isSubtype(universe, s, sEnv, type$.Null, tEnv);
+        return t1 || A._isSubtype(universe, s, sEnv, t._primary, tEnv);
       }
       if (leftTypeVariable)
         return false;
@@ -3781,30 +3765,30 @@
         for (i = 0; i < sLength; ++i) {
           sBound = sBounds[i];
           tBound = tBounds[i];
-          if (!A._isSubtype(universe, sBound, sEnv, tBound, tEnv, false) || !A._isSubtype(universe, tBound, tEnv, sBound, sEnv, false))
+          if (!A._isSubtype(universe, sBound, sEnv, tBound, tEnv) || !A._isSubtype(universe, tBound, tEnv, sBound, sEnv))
             return false;
         }
-        return A._isFunctionSubtype(universe, s._primary, sEnv, t._primary, tEnv, false);
+        return A._isFunctionSubtype(universe, s._primary, sEnv, t._primary, tEnv);
       }
       if (tKind === 12) {
         if (s === type$.JavaScriptFunction)
           return true;
         if (t1)
           return false;
-        return A._isFunctionSubtype(universe, s, sEnv, t, tEnv, false);
+        return A._isFunctionSubtype(universe, s, sEnv, t, tEnv);
       }
       if (sKind === 9) {
         if (tKind !== 9)
           return false;
-        return A._isInterfaceSubtype(universe, s, sEnv, t, tEnv, false);
+        return A._isInterfaceSubtype(universe, s, sEnv, t, tEnv);
       }
       if (t2 && tKind === 11)
-        return A._isRecordSubtype(universe, s, sEnv, t, tEnv, false);
+        return A._isRecordSubtype(universe, s, sEnv, t, tEnv);
       return false;
     },
-    _isFunctionSubtype(universe, s, sEnv, t, tEnv, isLegacy) {
+    _isFunctionSubtype(universe, s, sEnv, t, tEnv) {
       var sParameters, tParameters, sRequiredPositional, tRequiredPositional, sRequiredPositionalLength, tRequiredPositionalLength, requiredPositionalDelta, sOptionalPositional, tOptionalPositional, sOptionalPositionalLength, tOptionalPositionalLength, i, t1, sNamed, tNamed, sNamedLength, tNamedLength, sIndex, tIndex, tName, sName, sIsRequired;
-      if (!A._isSubtype(universe, s._primary, sEnv, t._primary, tEnv, false))
+      if (!A._isSubtype(universe, s._primary, sEnv, t._primary, tEnv))
         return false;
       sParameters = s._rest;
       tParameters = t._rest;
@@ -3823,17 +3807,17 @@
         return false;
       for (i = 0; i < sRequiredPositionalLength; ++i) {
         t1 = sRequiredPositional[i];
-        if (!A._isSubtype(universe, tRequiredPositional[i], tEnv, t1, sEnv, false))
+        if (!A._isSubtype(universe, tRequiredPositional[i], tEnv, t1, sEnv))
           return false;
       }
       for (i = 0; i < requiredPositionalDelta; ++i) {
         t1 = sOptionalPositional[i];
-        if (!A._isSubtype(universe, tRequiredPositional[sRequiredPositionalLength + i], tEnv, t1, sEnv, false))
+        if (!A._isSubtype(universe, tRequiredPositional[sRequiredPositionalLength + i], tEnv, t1, sEnv))
           return false;
       }
       for (i = 0; i < tOptionalPositionalLength; ++i) {
         t1 = sOptionalPositional[requiredPositionalDelta + i];
-        if (!A._isSubtype(universe, tOptionalPositional[i], tEnv, t1, sEnv, false))
+        if (!A._isSubtype(universe, tOptionalPositional[i], tEnv, t1, sEnv))
           return false;
       }
       sNamed = sParameters._named;
@@ -3859,7 +3843,7 @@
           if (sIsRequired && !t1)
             return false;
           t1 = sNamed[sIndex - 1];
-          if (!A._isSubtype(universe, tNamed[tIndex + 2], tEnv, t1, sEnv, false))
+          if (!A._isSubtype(universe, tNamed[tIndex + 2], tEnv, t1, sEnv))
             return false;
           break;
         }
@@ -3871,8 +3855,8 @@
       }
       return true;
     },
-    _isInterfaceSubtype(universe, s, sEnv, t, tEnv, isLegacy) {
-      var rule, recipes, $length, supertypeArgs, i,
+    _isInterfaceSubtype(universe, s, sEnv, t, tEnv) {
+      var rule, recipes, $length, supertypeArgs, i, t1, t2,
         sName = s._primary,
         tName = t._primary;
       for (; sName !== tName;) {
@@ -3890,19 +3874,24 @@
         supertypeArgs = $length > 0 ? new Array($length) : init.typeUniverse.sEA;
         for (i = 0; i < $length; ++i)
           supertypeArgs[i] = A._Universe_evalInEnvironment(universe, s, recipes[i]);
-        return A._areArgumentsSubtypes(universe, supertypeArgs, null, sEnv, t._rest, tEnv, false);
+        return A._areArgumentsSubtypes(universe, supertypeArgs, null, sEnv, t._rest, tEnv);
       }
-      return A._areArgumentsSubtypes(universe, s._rest, null, sEnv, t._rest, tEnv, false);
+      t1 = s._rest;
+      t2 = t._rest;
+      return A._areArgumentsSubtypes(universe, t1, null, sEnv, t2, tEnv);
     },
-    _areArgumentsSubtypes(universe, sArgs, sVariances, sEnv, tArgs, tEnv, isLegacy) {
-      var i,
+    _areArgumentsSubtypes(universe, sArgs, sVariances, sEnv, tArgs, tEnv) {
+      var i, t1, t2,
         $length = sArgs.length;
-      for (i = 0; i < $length; ++i)
-        if (!A._isSubtype(universe, sArgs[i], sEnv, tArgs[i], tEnv, false))
+      for (i = 0; i < $length; ++i) {
+        t1 = sArgs[i];
+        t2 = tArgs[i];
+        if (!A._isSubtype(universe, t1, sEnv, t2, tEnv))
           return false;
+      }
       return true;
     },
-    _isRecordSubtype(universe, s, sEnv, t, tEnv, isLegacy) {
+    _isRecordSubtype(universe, s, sEnv, t, tEnv) {
       var i,
         sFields = s._rest,
         tFields = t._rest,
@@ -3912,7 +3901,7 @@
       if (s._primary !== t._primary)
         return false;
       for (i = 0; i < sCount; ++i)
-        if (!A._isSubtype(universe, sFields[i], sEnv, tFields[i], tEnv, false))
+        if (!A._isSubtype(universe, sFields[i], sEnv, tFields[i], tEnv))
           return false;
       return true;
     },
@@ -3920,7 +3909,7 @@
       var t1,
         kind = t._kind;
       if (!(t === type$.Null || t === type$.JSNull))
-        if (!A.isSoundTopType(t))
+        if (!A.isStrongTopType(t))
           if (kind !== 7)
             if (!(kind === 6 && A.isNullable(t._primary)))
               t1 = kind === 8 && A.isNullable(t._primary);
@@ -3934,9 +3923,9 @@
         t1 = true;
       return t1;
     },
-    isDefinitelyTopType(t) {
+    isTopType(t) {
       var t1;
-      if (!A.isSoundTopType(t))
+      if (!A.isStrongTopType(t))
         if (!(t === type$.legacy_Object))
           t1 = false;
         else
@@ -3945,7 +3934,7 @@
         t1 = true;
       return t1;
     },
-    isSoundTopType(t) {
+    isStrongTopType(t) {
       var kind = t._kind;
       return kind === 2 || kind === 3 || kind === 4 || kind === 5 || t === type$.nullable_Object;
     },
@@ -3965,7 +3954,7 @@
       var _ = this;
       _._as = t0;
       _._is = t1;
-      _._cachedRuntimeType = _._specializedTestResource = _._isSubtypeCache = _._precomputed1 = null;
+      _._cachedRuntimeType = _._specializedTestResource = _._unsoundIsSubtypeCache = _._isSubtypeCache = _._precomputed1 = null;
       _._kind = 0;
       _._canonicalRecipe = _._bindCache = _._evalCache = _._rest = _._primary = null;
     },
@@ -4055,7 +4044,7 @@
     _wrapJsFunctionForAsync($function) {
       var $protected = function(fn, ERROR) {
         return function(errorCode, result) {
-          while (true) {
+          while (true)
             try {
               fn(errorCode, result);
               break;
@@ -4063,7 +4052,6 @@
               result = error;
               errorCode = ERROR;
             }
-          }
         };
       }($function, 1);
       return $.Zone__current.registerBinaryCallback$3$1(new A._wrapJsFunctionForAsync_closure($protected), type$.void, type$.int, type$.dynamic);
@@ -4090,8 +4078,12 @@
       var result, error, stackTrace, future, replacement, t1, exception;
       try {
         result = computation.call$0();
-        t1 = $T._eval$1("Future<0>")._is(result) ? result : A._Future$value(result, $T);
-        return t1;
+        if ($T._eval$1("Future<0>")._is(result))
+          return result;
+        else {
+          t1 = A._Future$value(result, $T);
+          return t1;
+        }
       } catch (exception) {
         error = A.unwrapException(exception);
         stackTrace = A.getTraceFromException(exception);
@@ -6044,37 +6036,39 @@
       return J.JSArray_markUnmodifiableList(A.List_List$from(elements, false, $E));
     },
     String_String$fromCharCodes(charCodes, start, end) {
-      var t1, t2, maxLength, array, len;
-      A.RangeError_checkNotNegative(start, "start");
-      t1 = end == null;
-      t2 = !t1;
-      if (t2) {
-        maxLength = end - start;
-        if (maxLength < 0)
-          throw A.wrapException(A.RangeError$range(end, start, null, "end", null));
-        if (maxLength === 0)
-          return "";
-      }
+      var array, len;
       if (Array.isArray(charCodes)) {
         array = charCodes;
         len = array.length;
-        if (t1)
-          end = len;
+        end = A.RangeError_checkValidRange(start, end, len);
         return A.Primitives_stringFromCharCodes(start > 0 || end < len ? array.slice(start, end) : array);
       }
       if (type$.NativeUint8List._is(charCodes))
-        return A.String__stringFromUint8List(charCodes, start, end);
-      if (t2)
-        charCodes = J.take$1$ax(charCodes, end);
-      if (start > 0)
-        charCodes = J.skip$1$ax(charCodes, start);
-      return A.Primitives_stringFromCharCodes(A.List_List$of(charCodes, true, type$.int));
+        return A.Primitives_stringFromNativeUint8List(charCodes, start, A.RangeError_checkValidRange(start, end, charCodes.length));
+      return A.String__stringFromIterable(charCodes, start, end);
     },
-    String__stringFromUint8List(charCodes, start, endOrNull) {
-      var len = charCodes.length;
-      if (start >= len)
-        return "";
-      return A.Primitives_stringFromNativeUint8List(charCodes, start, endOrNull == null || endOrNull > len ? len : endOrNull);
+    String__stringFromIterable(charCodes, start, end) {
+      var t1, it, i, list, _null = null;
+      if (start < 0)
+        throw A.wrapException(A.RangeError$range(start, 0, J.get$length$asx(charCodes), _null, _null));
+      t1 = end == null;
+      if (!t1 && end < start)
+        throw A.wrapException(A.RangeError$range(end, start, J.get$length$asx(charCodes), _null, _null));
+      it = J.get$iterator$ax(charCodes);
+      for (i = 0; i < start; ++i)
+        if (!it.moveNext$0())
+          throw A.wrapException(A.RangeError$range(start, 0, i, _null, _null));
+      list = [];
+      if (t1)
+        for (; it.moveNext$0();)
+          list.push(it.get$current(it));
+      else
+        for (i = start; i < end; ++i) {
+          if (!it.moveNext$0())
+            throw A.wrapException(A.RangeError$range(end, start, i, _null, _null));
+          list.push(it.get$current(it));
+        }
+      return A.Primitives_stringFromCharCodes(list);
     },
     RegExp_RegExp(source, caseSensitive, multiLine) {
       return new A.JSSyntaxRegExp(source, A.JSSyntaxRegExp_makeNative(source, multiLine, caseSensitive, false, false, false));
@@ -7297,147 +7291,148 @@
       return new A.UriData(text, indices, sourceUri);
     },
     _createTables() {
-      var _i, t1, t2, t3, b,
+      var _i, t2, t3, t4, t5,
         _s77_ = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-._~!$&'()*+,;=",
         _s1_ = ".", _s1_0 = ":", _s1_1 = "/", _s1_2 = "\\", _s1_3 = "?", _s1_4 = "#", _s2_ = "/\\",
-        tables = J.JSArray_JSArray$allocateGrowable(22, type$.Uint8List);
+        t1 = type$.Uint8List,
+        tables = J.JSArray_JSArray$allocateGrowable(22, t1);
       for (_i = 0; _i < 22; ++_i)
         tables[_i] = new Uint8Array(96);
-      t1 = new A._createTables_build(tables);
-      t2 = new A._createTables_setChars();
-      t3 = new A._createTables_setRange();
-      b = t1.call$2(0, 225);
-      t2.call$3(b, _s77_, 1);
-      t2.call$3(b, _s1_, 14);
-      t2.call$3(b, _s1_0, 34);
-      t2.call$3(b, _s1_1, 3);
-      t2.call$3(b, _s1_2, 227);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(14, 225);
-      t2.call$3(b, _s77_, 1);
-      t2.call$3(b, _s1_, 15);
-      t2.call$3(b, _s1_0, 34);
-      t2.call$3(b, _s2_, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(15, 225);
-      t2.call$3(b, _s77_, 1);
-      t2.call$3(b, "%", 225);
-      t2.call$3(b, _s1_0, 34);
-      t2.call$3(b, _s1_1, 9);
-      t2.call$3(b, _s1_2, 233);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(1, 225);
-      t2.call$3(b, _s77_, 1);
-      t2.call$3(b, _s1_0, 34);
-      t2.call$3(b, _s1_1, 10);
-      t2.call$3(b, _s1_2, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(2, 235);
-      t2.call$3(b, _s77_, 139);
-      t2.call$3(b, _s1_1, 131);
-      t2.call$3(b, _s1_2, 131);
-      t2.call$3(b, _s1_, 146);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(3, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_1, 68);
-      t2.call$3(b, _s1_2, 68);
-      t2.call$3(b, _s1_, 18);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(4, 229);
-      t2.call$3(b, _s77_, 5);
-      t3.call$3(b, "AZ", 229);
-      t2.call$3(b, _s1_0, 102);
-      t2.call$3(b, "@", 68);
-      t2.call$3(b, "[", 232);
-      t2.call$3(b, _s1_1, 138);
-      t2.call$3(b, _s1_2, 138);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(5, 229);
-      t2.call$3(b, _s77_, 5);
-      t3.call$3(b, "AZ", 229);
-      t2.call$3(b, _s1_0, 102);
-      t2.call$3(b, "@", 68);
-      t2.call$3(b, _s1_1, 138);
-      t2.call$3(b, _s1_2, 138);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(6, 231);
-      t3.call$3(b, "19", 7);
-      t2.call$3(b, "@", 68);
-      t2.call$3(b, _s1_1, 138);
-      t2.call$3(b, _s1_2, 138);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(7, 231);
-      t3.call$3(b, "09", 7);
-      t2.call$3(b, "@", 68);
-      t2.call$3(b, _s1_1, 138);
-      t2.call$3(b, _s1_2, 138);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      t2.call$3(t1.call$2(8, 8), "]", 5);
-      b = t1.call$2(9, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_, 16);
-      t2.call$3(b, _s2_, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(16, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_, 17);
-      t2.call$3(b, _s2_, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(17, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_1, 9);
-      t2.call$3(b, _s1_2, 233);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(10, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_, 18);
-      t2.call$3(b, _s1_1, 10);
-      t2.call$3(b, _s1_2, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(18, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_, 19);
-      t2.call$3(b, _s2_, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(19, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s2_, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(11, 235);
-      t2.call$3(b, _s77_, 11);
-      t2.call$3(b, _s1_1, 10);
-      t2.call$3(b, _s1_2, 234);
-      t2.call$3(b, _s1_3, 172);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(12, 236);
-      t2.call$3(b, _s77_, 12);
-      t2.call$3(b, _s1_3, 12);
-      t2.call$3(b, _s1_4, 205);
-      b = t1.call$2(13, 237);
-      t2.call$3(b, _s77_, 13);
-      t2.call$3(b, _s1_3, 13);
-      t3.call$3(t1.call$2(20, 245), "az", 21);
-      b = t1.call$2(21, 245);
-      t3.call$3(b, "az", 21);
-      t3.call$3(b, "09", 21);
-      t2.call$3(b, "+-.", 21);
+      t2 = new A._createTables_build(tables);
+      t3 = new A._createTables_setChars();
+      t4 = new A._createTables_setRange();
+      t5 = t1._as(t2.call$2(0, 225));
+      t3.call$3(t5, _s77_, 1);
+      t3.call$3(t5, _s1_, 14);
+      t3.call$3(t5, _s1_0, 34);
+      t3.call$3(t5, _s1_1, 3);
+      t3.call$3(t5, _s1_2, 227);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(14, 225));
+      t3.call$3(t5, _s77_, 1);
+      t3.call$3(t5, _s1_, 15);
+      t3.call$3(t5, _s1_0, 34);
+      t3.call$3(t5, _s2_, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(15, 225));
+      t3.call$3(t5, _s77_, 1);
+      t3.call$3(t5, "%", 225);
+      t3.call$3(t5, _s1_0, 34);
+      t3.call$3(t5, _s1_1, 9);
+      t3.call$3(t5, _s1_2, 233);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(1, 225));
+      t3.call$3(t5, _s77_, 1);
+      t3.call$3(t5, _s1_0, 34);
+      t3.call$3(t5, _s1_1, 10);
+      t3.call$3(t5, _s1_2, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(2, 235));
+      t3.call$3(t5, _s77_, 139);
+      t3.call$3(t5, _s1_1, 131);
+      t3.call$3(t5, _s1_2, 131);
+      t3.call$3(t5, _s1_, 146);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(3, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_1, 68);
+      t3.call$3(t5, _s1_2, 68);
+      t3.call$3(t5, _s1_, 18);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(4, 229));
+      t3.call$3(t5, _s77_, 5);
+      t4.call$3(t5, "AZ", 229);
+      t3.call$3(t5, _s1_0, 102);
+      t3.call$3(t5, "@", 68);
+      t3.call$3(t5, "[", 232);
+      t3.call$3(t5, _s1_1, 138);
+      t3.call$3(t5, _s1_2, 138);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(5, 229));
+      t3.call$3(t5, _s77_, 5);
+      t4.call$3(t5, "AZ", 229);
+      t3.call$3(t5, _s1_0, 102);
+      t3.call$3(t5, "@", 68);
+      t3.call$3(t5, _s1_1, 138);
+      t3.call$3(t5, _s1_2, 138);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(6, 231));
+      t4.call$3(t5, "19", 7);
+      t3.call$3(t5, "@", 68);
+      t3.call$3(t5, _s1_1, 138);
+      t3.call$3(t5, _s1_2, 138);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(7, 231));
+      t4.call$3(t5, "09", 7);
+      t3.call$3(t5, "@", 68);
+      t3.call$3(t5, _s1_1, 138);
+      t3.call$3(t5, _s1_2, 138);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t3.call$3(t1._as(t2.call$2(8, 8)), "]", 5);
+      t5 = t1._as(t2.call$2(9, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_, 16);
+      t3.call$3(t5, _s2_, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(16, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_, 17);
+      t3.call$3(t5, _s2_, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(17, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_1, 9);
+      t3.call$3(t5, _s1_2, 233);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(10, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_, 18);
+      t3.call$3(t5, _s1_1, 10);
+      t3.call$3(t5, _s1_2, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(18, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_, 19);
+      t3.call$3(t5, _s2_, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(19, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s2_, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(11, 235));
+      t3.call$3(t5, _s77_, 11);
+      t3.call$3(t5, _s1_1, 10);
+      t3.call$3(t5, _s1_2, 234);
+      t3.call$3(t5, _s1_3, 172);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(12, 236));
+      t3.call$3(t5, _s77_, 12);
+      t3.call$3(t5, _s1_3, 12);
+      t3.call$3(t5, _s1_4, 205);
+      t5 = t1._as(t2.call$2(13, 237));
+      t3.call$3(t5, _s77_, 13);
+      t3.call$3(t5, _s1_3, 13);
+      t4.call$3(t1._as(t2.call$2(20, 245)), "az", 21);
+      t2 = t1._as(t2.call$2(21, 245));
+      t4.call$3(t2, "az", 21);
+      t4.call$3(t2, "09", 21);
+      t3.call$3(t2, "+-.", 21);
       return tables;
     },
     _scan(uri, start, end, state, indices) {
@@ -9613,23 +9608,25 @@
       this.handleData = t0;
     },
     HtmlWebSocketChannel$connect(url, protocols) {
-      var localToForeignController, foreignToLocalController, t4, t5, _null = null,
+      var t4, localToForeignController, foreignToLocalController, t5, t6, _null = null,
         t1 = self,
         t2 = t1.WebSocket,
         t3 = url.toString$0(0);
       t1 = type$.List_nullable_Object._as(new t1.Array());
-      t1 = type$.JavaScriptObject._as(new t2(t3, t1));
+      t4 = type$.JavaScriptObject;
+      t1 = t4._as(new t2(t3, t1));
       t1.binaryType = "arraybuffer";
       t2 = new A.StreamChannelController(type$.StreamChannelController_nullable_Object);
       t3 = type$.nullable_Object;
       localToForeignController = A.StreamController_StreamController(_null, _null, true, t3);
       foreignToLocalController = A.StreamController_StreamController(_null, _null, true, t3);
-      t4 = A._instanceType(foreignToLocalController);
-      t5 = A._instanceType(localToForeignController);
-      t2.set$__StreamChannelController__local_F(A.GuaranteeChannel$(new A._ControllerStream(foreignToLocalController, t4._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(localToForeignController, t5._eval$1("_StreamSinkWrapper<1>")), true, t3));
-      t3 = A.GuaranteeChannel$(new A._ControllerStream(localToForeignController, t5._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(foreignToLocalController, t4._eval$1("_StreamSinkWrapper<1>")), false, t3);
+      t5 = A._instanceType(foreignToLocalController);
+      t6 = A._instanceType(localToForeignController);
+      t2.set$__StreamChannelController__local_F(A.GuaranteeChannel$(new A._ControllerStream(foreignToLocalController, t5._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(localToForeignController, t6._eval$1("_StreamSinkWrapper<1>")), true, t3));
+      t3 = A.GuaranteeChannel$(new A._ControllerStream(localToForeignController, t6._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(foreignToLocalController, t5._eval$1("_StreamSinkWrapper<1>")), false, t3);
       t2.__StreamChannelController__foreign_F !== $ && A.throwLateFieldAI("_foreign");
       t2.set$__StreamChannelController__foreign_F(t3);
+      t4._as(t1);
       t2 = new A.HtmlWebSocketChannel(t1, t2);
       t2.HtmlWebSocketChannel$1(t1);
       return t2;
@@ -10125,9 +10122,6 @@
         this.$indexSet(list, i, A.S(receiver[i]));
       return list.join(separator);
     },
-    take$1(receiver, n) {
-      return A.SubListIterable$(receiver, 0, A.checkNotNullable(n, "count", type$.int), A._arrayInstanceType(receiver)._precomputed1);
-    },
     skip$1(receiver, n) {
       return A.SubListIterable$(receiver, n, null, A._arrayInstanceType(receiver)._precomputed1);
     },
@@ -10716,10 +10710,6 @@
       var t1 = A._instanceType(this);
       return A.CastIterable_CastIterable(J.skip$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
     },
-    take$1(_, count) {
-      var t1 = A._instanceType(this);
-      return A.CastIterable_CastIterable(J.take$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
-    },
     elementAt$1(_, index) {
       return A._instanceType(this)._rest[1]._as(J.elementAt$1$ax(this.get$__internal$_source(), index));
     },
@@ -10910,9 +10900,6 @@
     skip$1(_, count) {
       return A.SubListIterable$(this, count, null, A._instanceType(this)._eval$1("ListIterable.E"));
     },
-    take$1(_, count) {
-      return A.SubListIterable$(this, 0, A.checkNotNullable(count, "count", type$.int), A._instanceType(this)._eval$1("ListIterable.E"));
-    },
     toList$1$growable(_, growable) {
       return A.List_List$of(this, true, A._instanceType(this)._eval$1("ListIterable.E"));
     },
@@ -10930,7 +10917,7 @@
     },
     get$_startIndex() {
       var $length = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._start;
+        t1 = this.__internal$_start;
       if (t1 > $length)
         return $length;
       return t1;
@@ -10938,7 +10925,7 @@
     get$length(_) {
       var endOrLength,
         $length = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._start;
+        t1 = this.__internal$_start;
       if (t1 >= $length)
         return 0;
       endOrLength = this._endOrLength;
@@ -10958,29 +10945,15 @@
     skip$1(_, count) {
       var newStart, endOrLength, _this = this;
       A.RangeError_checkNotNegative(count, "count");
-      newStart = _this._start + count;
+      newStart = _this.__internal$_start + count;
       endOrLength = _this._endOrLength;
       if (endOrLength != null && newStart >= endOrLength)
         return new A.EmptyIterable(_this.$ti._eval$1("EmptyIterable<1>"));
       return A.SubListIterable$(_this.__internal$_iterable, newStart, endOrLength, _this.$ti._precomputed1);
     },
-    take$1(_, count) {
-      var endOrLength, t1, newEnd, _this = this;
-      A.RangeError_checkNotNegative(count, "count");
-      endOrLength = _this._endOrLength;
-      t1 = _this._start;
-      newEnd = t1 + count;
-      if (endOrLength == null)
-        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
-      else {
-        if (endOrLength < newEnd)
-          return _this;
-        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
-      }
-    },
     toList$1$growable(_, growable) {
       var $length, result, i, _this = this,
-        start = _this._start,
+        start = _this.__internal$_start,
         t1 = _this.__internal$_iterable,
         t2 = J.getInterceptor$asx(t1),
         end = t2.get$length(t1),
@@ -11100,39 +11073,6 @@
     },
     $isIterator: 1
   };
-  A.TakeIterable.prototype = {
-    get$iterator(_) {
-      return new A.TakeIterator(J.get$iterator$ax(this.__internal$_iterable), this._takeCount, A._instanceType(this)._eval$1("TakeIterator<1>"));
-    }
-  };
-  A.EfficientLengthTakeIterable.prototype = {
-    get$length(_) {
-      var iterableLength = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._takeCount;
-      if (iterableLength > t1)
-        return t1;
-      return iterableLength;
-    },
-    $isEfficientLengthIterable: 1
-  };
-  A.TakeIterator.prototype = {
-    moveNext$0() {
-      if (--this._remaining >= 0)
-        return this._iterator.moveNext$0();
-      this._remaining = -1;
-      return false;
-    },
-    get$current(_) {
-      var t1;
-      if (this._remaining < 0) {
-        this.$ti._precomputed1._as(null);
-        return null;
-      }
-      t1 = this._iterator;
-      return t1.get$current(t1);
-    },
-    $isIterator: 1
-  };
   A.SkipIterable.prototype = {
     skip$1(_, count) {
       A.ArgumentError_checkNotNull(count, "count", type$.int);
@@ -11200,10 +11140,6 @@
     skip$1(_, count) {
       A.RangeError_checkNotNegative(count, "count");
       return this;
-    },
-    take$1(_, count) {
-      A.RangeError_checkNotNegative(count, "count");
-      return this;
     }
   };
   A.EmptyIterator.prototype = {
@@ -12007,7 +11943,7 @@
   };
   A._AllMatchesIterable.prototype = {
     get$iterator(_) {
-      return new A._AllMatchesIterator(this._re, this._string, this.__js_helper$_start);
+      return new A._AllMatchesIterator(this._re, this._string, this._start);
     }
   };
   A._AllMatchesIterator.prototype = {
@@ -14883,9 +14819,6 @@
     skip$1(receiver, count) {
       return A.SubListIterable$(receiver, count, null, A.instanceType(receiver)._eval$1("ListBase.E"));
     },
-    take$1(receiver, count) {
-      return A.SubListIterable$(receiver, 0, A.checkNotNullable(count, "count", type$.int), A.instanceType(receiver)._eval$1("ListBase.E"));
-    },
     cast$1$0(receiver, $R) {
       return new A.CastList(receiver, A.instanceType(receiver)._eval$1("@<ListBase.E>")._bind$1($R)._eval$1("CastList<1,2>"));
     },
@@ -15174,9 +15107,6 @@
     toString$0(_) {
       return A.Iterable_iterableToFullString(this, "{", "}");
     },
-    take$1(_, n) {
-      return A.TakeIterable_TakeIterable(this, n, A._instanceType(this)._precomputed1);
-    },
     skip$1(_, n) {
       return A.SkipIterable_SkipIterable(this, n, A._instanceType(this)._precomputed1);
     },
@@ -16870,9 +16800,6 @@
     get$isNotEmpty(_) {
       return !this.get$isEmpty(this);
     },
-    take$1(_, count) {
-      return A.TakeIterable_TakeIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
-    },
     skip$1(_, count) {
       return A.SkipIterable_SkipIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
     },
@@ -19225,30 +19152,23 @@
         isAttr = attrs._element.getAttribute("is");
         type$.Element._as(element);
         t1 = function(element) {
-          if (!(element.attributes instanceof NamedNodeMap)) {
+          if (!(element.attributes instanceof NamedNodeMap))
             return true;
-          }
-          if (element.id == "lastChild" || element.name == "lastChild" || element.id == "previousSibling" || element.name == "previousSibling" || element.id == "children" || element.name == "children") {
+          if (element.id == "lastChild" || element.name == "lastChild" || element.id == "previousSibling" || element.name == "previousSibling" || element.id == "children" || element.name == "children")
             return true;
-          }
           var childNodes = element.childNodes;
-          if (element.lastChild && element.lastChild !== childNodes[childNodes.length - 1]) {
+          if (element.lastChild && element.lastChild !== childNodes[childNodes.length - 1])
             return true;
-          }
-          if (element.children) {
-            if (!(element.children instanceof HTMLCollection || element.children instanceof NodeList)) {
+          if (element.children)
+            if (!(element.children instanceof HTMLCollection || element.children instanceof NodeList))
               return true;
-            }
-          }
           var length = 0;
-          if (element.children) {
+          if (element.children)
             length = element.children.length;
-          }
           for (var i = 0; i < length; i++) {
             var child = element.children[i];
-            if (child.id == "attributes" || child.name == "attributes" || child.id == "lastChild" || child.name == "lastChild" || child.id == "previousSibling" || child.name == "previousSibling" || child.id == "children" || child.name == "children") {
+            if (child.id == "attributes" || child.name == "attributes" || child.id == "lastChild" || child.name == "lastChild" || child.id == "previousSibling" || child.name == "previousSibling" || child.id == "children" || child.name == "children")
               return true;
-            }
           }
           return false;
         }(element);
@@ -20446,10 +20366,6 @@
     get$isNotEmpty(_) {
       return this._list.length !== 0;
     },
-    take$1(_, n) {
-      var t1 = this._list;
-      return A.SubListIterable$(t1, 0, A.checkNotNullable(n, "count", type$.int), A._arrayInstanceType(t1)._precomputed1);
-    },
     skip$1(_, n) {
       var t1 = this._list;
       return A.SubListIterable$(t1, n, null, A._arrayInstanceType(t1)._precomputed1);
@@ -21030,10 +20946,6 @@
     get$isNotEmpty(_) {
       return this._set$_set._collection$_length !== 0;
     },
-    take$1(_, n) {
-      var t1 = this._set$_set;
-      return A.TakeIterable_TakeIterable(t1, n, A._instanceType(t1)._precomputed1);
-    },
     skip$1(_, n) {
       var t1 = this._set$_set;
       return A.SkipIterable_SkipIterable(t1, n, A._instanceType(t1)._precomputed1);
@@ -25740,7 +25652,7 @@
     $signature: 3
   };
   A.HtmlWebSocketChannel.prototype = {
-    HtmlWebSocketChannel$1(innerWebSocket) {
+    HtmlWebSocketChannel$1(webSocket) {
       var _this = this,
         t1 = _this.__HtmlWebSocketChannel__readyCompleter_A = new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_void), type$._AsyncCompleter_void),
         t2 = _this.innerWebSocket,
@@ -26938,13 +26850,13 @@
       _inherit = hunkHelpers.inherit,
       _inheritMany = hunkHelpers.inheritMany;
     _inherit(A.Object, null);
-    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.TakeIterator, A.SkipIterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ListBase, A.Symbol, A._Record, A.MapView, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A._InitializedCell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.Expando, A.CssStyleDeclarationBase, A.EventStreamProvider, A._EventStreamSubscription, A._Html5NodeValidator, A.ImmutableListMixin, A.NodeValidatorBuilder, A._SimpleNodeValidator, A._SvgNodeValidator, A.FixedSizeListIterator, A._DOMWindowCrossFrame, A._SameOriginUriPolicy, A._ValidatingTreeSanitizer, A._StructuredClone, A._AcceptStructuredClone, A.JsObject, A.NullRejectionException, A._JSRandom, A._Random, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.Uuid, A.EventStreamProvider0, A._EventStreamSubscription0, A.WebSocketChannelException, A.LegacyRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
+    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.SkipIterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ListBase, A.Symbol, A._Record, A.MapView, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A._InitializedCell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.Expando, A.CssStyleDeclarationBase, A.EventStreamProvider, A._EventStreamSubscription, A._Html5NodeValidator, A.ImmutableListMixin, A.NodeValidatorBuilder, A._SimpleNodeValidator, A._SvgNodeValidator, A.FixedSizeListIterator, A._DOMWindowCrossFrame, A._SameOriginUriPolicy, A._ValidatingTreeSanitizer, A._StructuredClone, A._AcceptStructuredClone, A.JsObject, A.NullRejectionException, A._JSRandom, A._Random, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.Uuid, A.EventStreamProvider0, A._EventStreamSubscription0, A.WebSocketChannelException, A.LegacyRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
     _inheritMany(J.Interceptor, [J.JSBool, J.JSNull, J.JavaScriptObject, J.JavaScriptBigInt, J.JavaScriptSymbol, J.JSNumber, J.JSString]);
     _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, J.JSArray, A.NativeByteBuffer, A.NativeTypedData, A.EventTarget, A.AccessibleNodeList, A.Blob, A.CssTransformComponent, A.CssRule, A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase, A.CssStyleValue, A.Event, A.DataTransferItemList, A.DomException, A.DomImplementation, A._DomRectList_JavaScriptObject_ListMixin, A.DomRectReadOnly, A._DomStringList_JavaScriptObject_ListMixin, A.DomTokenList, A._FileList_JavaScriptObject_ListMixin, A.Gamepad, A.History, A._HtmlCollection_JavaScriptObject_ListMixin, A.ImageData, A.Location, A.MediaList, A._MidiInputMap_JavaScriptObject_MapMixin, A._MidiOutputMap_JavaScriptObject_MapMixin, A.MimeType, A._MimeTypeArray_JavaScriptObject_ListMixin, A._NodeList_JavaScriptObject_ListMixin, A.Plugin, A._PluginArray_JavaScriptObject_ListMixin, A._RtcStatsReport_JavaScriptObject_MapMixin, A.SharedArrayBuffer, A.SpeechGrammar, A._SpeechGrammarList_JavaScriptObject_ListMixin, A.SpeechRecognitionResult, A._Storage_JavaScriptObject_MapMixin, A.StyleSheet, A._TextTrackCueList_JavaScriptObject_ListMixin, A.TimeRanges, A.Touch, A._TouchList_JavaScriptObject_ListMixin, A.TrackDefaultList, A.Url, A.__CssRuleList_JavaScriptObject_ListMixin, A.__GamepadList_JavaScriptObject_ListMixin, A.__NamedNodeMap_JavaScriptObject_ListMixin, A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin, A.__StyleSheetList_JavaScriptObject_ListMixin, A.KeyRange, A.Length, A._LengthList_JavaScriptObject_ListMixin, A.Number, A._NumberList_JavaScriptObject_ListMixin, A.PointList, A._StringList_JavaScriptObject_ListMixin, A.Transform, A._TransformList_JavaScriptObject_ListMixin, A.AudioBuffer, A._AudioParamMap_JavaScriptObject_MapMixin]);
     _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction, A.Promise, A.RequireLoader, A.JsError, A.JsMap]);
     _inherit(J.JSUnmodifiableArray, J.JSArray);
     _inheritMany(J.JSNumber, [J.JSInt, J.JSNumNotInt]);
-    _inheritMany(A.Iterable, [A._CastIterableBase, A.EfficientLengthIterable, A.MappedIterable, A.WhereIterable, A.TakeIterable, A.SkipIterable, A._KeysOrValues, A._AllMatchesIterable, A._StringAllMatchesIterable]);
+    _inheritMany(A.Iterable, [A._CastIterableBase, A.EfficientLengthIterable, A.MappedIterable, A.WhereIterable, A.SkipIterable, A._KeysOrValues, A._AllMatchesIterable, A._StringAllMatchesIterable]);
     _inheritMany(A._CastIterableBase, [A.CastIterable, A.__CastListBase__CastIterableBase_ListMixin]);
     _inherit(A._EfficientLengthCastIterable, A.CastIterable);
     _inherit(A._CastListBase, A.__CastListBase__CastIterableBase_ListMixin);
@@ -26957,7 +26869,6 @@
     _inheritMany(A.EfficientLengthIterable, [A.ListIterable, A.EmptyIterable, A.LinkedHashMapKeyIterable, A._HashMapKeyIterable]);
     _inheritMany(A.ListIterable, [A.SubListIterable, A.MappedListIterable, A.ReversedListIterable, A.ListQueue, A._JsonMapKeyIterable]);
     _inherit(A.EfficientLengthMappedIterable, A.MappedIterable);
-    _inherit(A.EfficientLengthTakeIterable, A.TakeIterable);
     _inherit(A.EfficientLengthSkipIterable, A.SkipIterable);
     _inheritMany(A.ListBase, [A.UnmodifiableListBase, A._FrozenElementList, A._ChildNodeListLazy]);
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     }
   }
   function getUnknownTagGenericBrowser(object, tag) {
-    if (object instanceof HTMLElement) return "HTMLElement";
+    if (self.HTMLElement && object instanceof HTMLElement) return "HTMLElement";
     return getUnknownTag(object, tag);
   }
   function prototypeForTag(tag) {
@@ -27503,7 +27414,7 @@
     return constructor.prototype;
   }
   function discriminator(tag) { return null; }
-  var isBrowser = typeof HTMLElement == "function";
+  var isBrowser = typeof navigator == "object";
   return {
     getTag: getTag,
     getUnknownTag: isBrowser ? getUnknownTagGenericBrowser : getUnknownTag,
@@ -27513,10 +27424,9 @@
     B.C_JS_CONST6 = function(getTagFallback) {
   return function(hooks) {
     if (typeof navigator != "object") return hooks;
-    var userAgent = navigator.userAgent;
-    if (typeof userAgent != "string") return hooks;
-    if (userAgent.indexOf("DumpRenderTree") >= 0) return hooks;
-    if (userAgent.indexOf("Chrome") >= 0) {
+    var ua = navigator.userAgent;
+    if (ua.indexOf("DumpRenderTree") >= 0) return hooks;
+    if (ua.indexOf("Chrome") >= 0) {
       function confirm(p) {
         return typeof window == "object" && window[p] && window[p].name == p;
       }
@@ -27529,10 +27439,26 @@
   if (typeof dartExperimentalFixupGetTag != "function") return hooks;
   hooks.getTag = dartExperimentalFixupGetTag(hooks.getTag);
 };
+    B.C_JS_CONST2 = function(hooks) {
+  var getTag = hooks.getTag;
+  var prototypeForTag = hooks.prototypeForTag;
+  function getTagFixed(o) {
+    var tag = getTag(o);
+    if (tag == "Document") {
+      if (!!o.xmlVersion) return "!Document";
+      return "!HTMLDocument";
+    }
+    return tag;
+  }
+  function prototypeForTagFixed(tag) {
+    if (tag == "Document") return null;
+    return prototypeForTag(tag);
+  }
+  hooks.getTag = getTagFixed;
+  hooks.prototypeForTag = prototypeForTagFixed;
+};
     B.C_JS_CONST5 = function(hooks) {
-  if (typeof navigator != "object") return hooks;
-  var userAgent = navigator.userAgent;
-  if (typeof userAgent != "string") return hooks;
+  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";
   if (userAgent.indexOf("Firefox") == -1) return hooks;
   var getTag = hooks.getTag;
   var quickMap = {
@@ -27549,9 +27475,7 @@
   hooks.getTag = getTagFirefox;
 };
     B.C_JS_CONST4 = function(hooks) {
-  if (typeof navigator != "object") return hooks;
-  var userAgent = navigator.userAgent;
-  if (typeof userAgent != "string") return hooks;
+  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";
   if (userAgent.indexOf("Trident/") == -1) return hooks;
   var getTag = hooks.getTag;
   var quickMap = {
@@ -27579,24 +27503,6 @@
   hooks.getTag = getTagIE;
   hooks.prototypeForTag = prototypeForTagIE;
 };
-    B.C_JS_CONST2 = function(hooks) {
-  var getTag = hooks.getTag;
-  var prototypeForTag = hooks.prototypeForTag;
-  function getTagFixed(o) {
-    var tag = getTag(o);
-    if (tag == "Document") {
-      if (!!o.xmlVersion) return "!Document";
-      return "!HTMLDocument";
-    }
-    return tag;
-  }
-  function prototypeForTagFixed(tag) {
-    if (tag == "Document") return null;
-    return prototypeForTag(tag);
-  }
-  hooks.getTag = getTagFixed;
-  hooks.prototypeForTag = prototypeForTagFixed;
-};
     B.C_JS_CONST3 = function(hooks) { return hooks; }
 ;
     B.C_JsonCodec = new A.JsonCodec();
@@ -28045,21 +27951,18 @@
     }
     var scripts = document.scripts;
     function onLoad(event) {
-      for (var i = 0; i < scripts.length; ++i) {
+      for (var i = 0; i < scripts.length; ++i)
         scripts[i].removeEventListener("load", onLoad, false);
-      }
       callback(event.target);
     }
-    for (var i = 0; i < scripts.length; ++i) {
+    for (var i = 0; i < scripts.length; ++i)
       scripts[i].addEventListener("load", onLoad, false);
-    }
   })(function(currentScript) {
     init.currentScript = currentScript;
     var callMain = A.main;
-    if (typeof dartMainRunner === "function") {
+    if (typeof dartMainRunner === "function")
       dartMainRunner(callMain, []);
-    } else {
+    else
       callMain([]);
-    }
   });
 })();
diff --git a/dwds/lib/src/version.dart b/dwds/lib/src/version.dart
index 6894be6..6bd4e88 100644
--- a/dwds/lib/src/version.dart
+++ b/dwds/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '23.0.0';
+const packageVersion = '23.0.0+1';
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index 65fb603..a03efa4 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dwds
 # Every time this changes you need to run `dart run build_runner build`.
-version: 23.0.0
+version: 23.0.0+1
 description: >-
   A service that proxies between the Chrome debug protocol and the Dart VM
   service protocol.