library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:20:34: Error: Operator '+' cannot be called on 'int?' because it is potentially null.
// var topLevelBinary = nullableInt + 0;
//                                  ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:21:21: Error: Operator 'unary-' cannot be called on 'int?' because it is potentially null.
// var topLevelUnary = -nullableInt;
//                     ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:22:35: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
// var topLevelIndexGet = nullableMap[0];
//                                   ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:23:35: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
// var topLevelIndexSet = nullableMap[0] = 1;
//                                   ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:24:38: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
// var topLevelIndexGetSet = nullableMap[0] += 1;
//                                      ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:24:38: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
// var topLevelIndexGetSet = nullableMap[0] += 1;
//                                      ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:25:41: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
// var topLevelPropertyGet = nullableClass.property;
//                                         ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:26:41: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
// var topLevelPropertySet = nullableClass.property = 1;
//                                         ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:27:44: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
// var topLevelPropertyGetSet = nullableClass.property += 1;
//                                            ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:28:46: Error: Method 'method' cannot be called on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try calling using ?. instead.
// var topLevelMethodInvocation = nullableClass.method();
//                                              ^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:29:43: Error: Property 'method' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
// var topLevelMethodTearOff = nullableClass.method;
//                                           ^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:30:52: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try calling using ?. instead.
// var topLevelFunctionImplicitCall = nullableFunction();
//                                                    ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:31:53: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try calling using ?. instead.
// var topLevelFunctionExplicitCall = nullableFunction.call();
//                                                     ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:32:48: Error: Property 'call' cannot be accessed on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try accessing using ?. instead.
// var topLevelFunctionTearOff = nullableFunction.call;
//                                                ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:33:60: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
// Try calling using ?. instead.
// var topLevelFunctionTypeImplicitCall = nullableFunctionType();
//                                                            ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:34:61: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
// Try calling using ?. instead.
// var topLevelFunctionTypeExplicitCall = nullableFunctionType.call();
//                                                             ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:35:56: Error: Property 'call' cannot be accessed on 'void Function()?' because it is potentially null.
// Try accessing using ?. instead.
// var topLevelFunctionTypeTearOff = nullableFunctionType.call;
//                                                        ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:38:33: Error: Operator '+' cannot be called on 'int?' because it is potentially null.
//   var localBinary = nullableInt + 0;
//                                 ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:39:20: Error: Operator 'unary-' cannot be called on 'int?' because it is potentially null.
//   var localUnary = -nullableInt;
//                    ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:40:34: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
//   var localIndexGet = nullableMap[0];
//                                  ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:41:34: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
//   var localIndexSet = nullableMap[0] = 1;
//                                  ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:42:37: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
//   var localIndexGetSet = nullableMap[0] += 1;
//                                     ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:42:37: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
//  - 'Map' is from 'dart:core'.
//   var localIndexGetSet = nullableMap[0] += 1;
//                                     ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:43:40: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
//   var localPropertyGet = nullableClass.property;
//                                        ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:44:40: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
//   var localPropertySet = nullableClass.property = 1;
//                                        ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:45:43: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
//   var localPropertyGetSet = nullableClass.property += 1;
//                                           ^^^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:46:45: Error: Method 'method' cannot be called on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try calling using ?. instead.
//   var localMethodInvocation = nullableClass.method();
//                                             ^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:47:42: Error: Property 'method' cannot be accessed on 'Class?' because it is potentially null.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
// Try accessing using ?. instead.
//   var localMethodTearOff = nullableClass.method;
//                                          ^^^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:48:51: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try calling using ?. instead.
//   var localFunctionImplicitCall = nullableFunction();
//                                                   ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:49:52: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try calling using ?. instead.
//   var localFunctionExplicitCall = nullableFunction.call();
//                                                    ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:50:47: Error: Property 'call' cannot be accessed on 'Function?' because it is potentially null.
//  - 'Function' is from 'dart:core'.
// Try accessing using ?. instead.
//   var localFunctionTearOff = nullableFunction.call;
//                                               ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:51:59: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
// Try calling using ?. instead.
//   var localFunctionTypeImplicitCall = nullableFunctionType();
//                                                           ^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:52:60: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
// Try calling using ?. instead.
//   var localFunctionTypeExplicitCall = nullableFunctionType.call();
//                                                            ^^^^
//
// pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:53:55: Error: Property 'call' cannot be accessed on 'void Function()?' because it is potentially null.
// Try accessing using ?. instead.
//   var localFunctionTypeTearOff = nullableFunctionType.call;
//                                                       ^^^^
//
import self as self;
import "dart:core" as core;

class Class extends core::Object {
  field core::int property = 0;
  synthetic constructor •() → self::Class
    : super core::Object::•()
    ;
  method method() → core::int
    return 0;
}
static field core::num topLevelBinary = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:20:34: Error: Operator '+' cannot be called on 'int?' because it is potentially null.
var topLevelBinary = nullableInt + 0;
                                 ^";
static field core::int topLevelUnary = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:21:21: Error: Operator 'unary-' cannot be called on 'int?' because it is potentially null.
var topLevelUnary = -nullableInt;
                    ^";
static field dynamic topLevelIndexGet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:22:35: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
var topLevelIndexGet = nullableMap[0];
                                  ^";
static field core::int topLevelIndexSet = let final core::Map<dynamic, dynamic>? #t1 = self::nullableMap in let final core::int #t2 = 0 in let final core::int #t3 = 1 in let final void #t4 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:23:35: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
var topLevelIndexSet = nullableMap[0] = 1;
                                  ^" in #t3;
static field dynamic topLevelIndexGetSet = let final core::Map<dynamic, dynamic>? #t5 = self::nullableMap in let final core::int #t6 = 0 in let final dynamic #t7 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:24:38: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
var topLevelIndexGetSet = nullableMap[0] += 1;
                                     ^".+(1) in let final void #t8 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:24:38: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
var topLevelIndexGetSet = nullableMap[0] += 1;
                                     ^" in #t7;
static field core::int topLevelPropertyGet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:25:41: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
var topLevelPropertyGet = nullableClass.property;
                                        ^^^^^^^^";
static field core::int topLevelPropertySet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:26:41: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
var topLevelPropertySet = nullableClass.property = 1;
                                        ^^^^^^^^";
static field core::int topLevelPropertyGetSet = let final self::Class? #t9 = self::nullableClass in invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:27:44: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
var topLevelPropertyGetSet = nullableClass.property += 1;
                                           ^^^^^^^^";
static field dynamic topLevelMethodInvocation = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:28:46: Error: Method 'method' cannot be called on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try calling using ?. instead.
var topLevelMethodInvocation = nullableClass.method();
                                             ^^^^^^";
static field () → core::int topLevelMethodTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:29:43: Error: Property 'method' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
var topLevelMethodTearOff = nullableClass.method;
                                          ^^^^^^";
static field dynamic topLevelFunctionImplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:30:52: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try calling using ?. instead.
var topLevelFunctionImplicitCall = nullableFunction();
                                                   ^";
static field dynamic topLevelFunctionExplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:31:53: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try calling using ?. instead.
var topLevelFunctionExplicitCall = nullableFunction.call();
                                                    ^^^^";
static field core::Function? topLevelFunctionTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:32:48: Error: Property 'call' cannot be accessed on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try accessing using ?. instead.
var topLevelFunctionTearOff = nullableFunction.call;
                                               ^^^^";
static field dynamic topLevelFunctionTypeImplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:33:60: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
Try calling using ?. instead.
var topLevelFunctionTypeImplicitCall = nullableFunctionType();
                                                           ^";
static field dynamic topLevelFunctionTypeExplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:34:61: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
Try calling using ?. instead.
var topLevelFunctionTypeExplicitCall = nullableFunctionType.call();
                                                            ^^^^";
static field () →? void topLevelFunctionTypeTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:35:56: Error: Property 'call' cannot be accessed on 'void Function()?' because it is potentially null.
Try accessing using ?. instead.
var topLevelFunctionTypeTearOff = nullableFunctionType.call;
                                                       ^^^^";
static get nullableFunction() → core::Function?
  return () → core::Null? {};
static get nullableFunctionType() → () →? void
  return () → core::Null? {};
static get nullableInt() → core::int?
  return 0;
static get nullableMap() → core::Map<dynamic, dynamic>?
  return <dynamic, dynamic>{};
static get nullableClass() → self::Class?
  return new self::Class::•();
static method test() → dynamic {
  core::num localBinary = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:38:33: Error: Operator '+' cannot be called on 'int?' because it is potentially null.
  var localBinary = nullableInt + 0;
                                ^";
  core::int localUnary = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:39:20: Error: Operator 'unary-' cannot be called on 'int?' because it is potentially null.
  var localUnary = -nullableInt;
                   ^";
  dynamic localIndexGet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:40:34: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
  var localIndexGet = nullableMap[0];
                                 ^";
  core::int localIndexSet = let final core::Map<dynamic, dynamic>? #t10 = self::nullableMap in let final core::int #t11 = 0 in let final core::int #t12 = 1 in let final void #t13 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:41:34: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
  var localIndexSet = nullableMap[0] = 1;
                                 ^" in #t12;
  dynamic localIndexGetSet = let final core::Map<dynamic, dynamic>? #t14 = self::nullableMap in let final core::int #t15 = 0 in let final dynamic #t16 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:42:37: Error: Operator '[]' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
  var localIndexGetSet = nullableMap[0] += 1;
                                    ^".+(1) in let final void #t17 = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:42:37: Error: Operator '[]=' cannot be called on 'Map<dynamic, dynamic>?' because it is potentially null.
 - 'Map' is from 'dart:core'.
  var localIndexGetSet = nullableMap[0] += 1;
                                    ^" in #t16;
  core::int localPropertyGet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:43:40: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
  var localPropertyGet = nullableClass.property;
                                       ^^^^^^^^";
  core::int localPropertySet = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:44:40: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
  var localPropertySet = nullableClass.property = 1;
                                       ^^^^^^^^";
  core::int localPropertyGetSet = let final self::Class? #t18 = self::nullableClass in invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:45:43: Error: Property 'property' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
  var localPropertyGetSet = nullableClass.property += 1;
                                          ^^^^^^^^";
  dynamic localMethodInvocation = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:46:45: Error: Method 'method' cannot be called on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try calling using ?. instead.
  var localMethodInvocation = nullableClass.method();
                                            ^^^^^^";
  () → core::int localMethodTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:47:42: Error: Property 'method' cannot be accessed on 'Class?' because it is potentially null.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/potentially_nullable_access.dart'.
Try accessing using ?. instead.
  var localMethodTearOff = nullableClass.method;
                                         ^^^^^^";
  dynamic localFunctionImplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:48:51: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try calling using ?. instead.
  var localFunctionImplicitCall = nullableFunction();
                                                  ^";
  dynamic localFunctionExplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:49:52: Error: Method 'call' cannot be called on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try calling using ?. instead.
  var localFunctionExplicitCall = nullableFunction.call();
                                                   ^^^^";
  core::Function? localFunctionTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:50:47: Error: Property 'call' cannot be accessed on 'Function?' because it is potentially null.
 - 'Function' is from 'dart:core'.
Try accessing using ?. instead.
  var localFunctionTearOff = nullableFunction.call;
                                              ^^^^";
  dynamic localFunctionTypeImplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:51:59: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
Try calling using ?. instead.
  var localFunctionTypeImplicitCall = nullableFunctionType();
                                                          ^";
  dynamic localFunctionTypeExplicitCall = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:52:60: Error: Method 'call' cannot be called on 'void Function()?' because it is potentially null.
Try calling using ?. instead.
  var localFunctionTypeExplicitCall = nullableFunctionType.call();
                                                           ^^^^";
  () →? void localFunctionTypeTearOff = invalid-expression "pkg/front_end/testcases/nnbd/potentially_nullable_access.dart:53:55: Error: Property 'call' cannot be accessed on 'void Function()?' because it is potentially null.
Try accessing using ?. instead.
  var localFunctionTypeTearOff = nullableFunctionType.call;
                                                      ^^^^";
}
static method main() → dynamic {}