remove getter/setter which are only used for null checks

flutter/lib/src/sentry_flutter_options.dart

@@ -7,17 +7,8 @@ import 'package:sentry/sentry.dart';
 class SentryFlutterOptions extends SentryOptions {
   SentryFlutterOptions({String? dsn}) : super(dsn: dsn);
 
-  bool _enableAutoSessionTracking = true;
-
   /// Enable or disable the Auto session tracking on the Native SDKs (Android/iOS)
-  bool get enableAutoSessionTracking => _enableAutoSessionTracking;
-
-  set enableAutoSessionTracking(bool value) {
-    assert(value != null);
-    _enableAutoSessionTracking = value ?? _enableAutoSessionTracking;
-  }
-
-  bool _enableNativeCrashHandling = true;
+  bool enableAutoSessionTracking = true;
 
   /// Enable or disable the Crash handling on the Native SDKs, e.g.,
   /// UncaughtExceptionHandler and [anrEnabled] for Android.
@@ -28,12 +19,7 @@ class SentryFlutterOptions extends SentryOptions {
   ///
   /// Disabling this feature affects the [enableAutoSessionTracking]
   /// feature, as this is required to mark Sessions as Crashed.
-  bool get enableNativeCrashHandling => _enableNativeCrashHandling;
-
-  set enableNativeCrashHandling(bool value) {
-    assert(value != null);
-    _enableNativeCrashHandling = value ?? _enableNativeCrashHandling;
-  }
+  bool enableNativeCrashHandling = true;
 
   int _autoSessionTrackingIntervalMillis = 30000;
 
@@ -50,19 +36,12 @@ class SentryFlutterOptions extends SentryOptions {
         : _autoSessionTrackingIntervalMillis;
   }
 
-  bool _anrEnabled = false;
-
   /// Enable or disable ANR (Application Not Responding) Default is enabled Used by AnrIntegration.
   /// Available only for Android.
   /// Disabled by default as the stack trace most of the time is hanging on
   /// the MessageChannel from Flutter, but you can enable it if you have
   /// Java/Kotlin code as well.
-  bool get anrEnabled => _anrEnabled;
-
-  set anrEnabled(bool value) {
-    assert(value != null);
-    _anrEnabled = value ?? _anrEnabled;
-  }
+  bool anrEnabled = false;
 
   int _anrTimeoutIntervalMillis = 5000;
 
@@ -77,19 +56,12 @@ class SentryFlutterOptions extends SentryOptions {
         (value != null && value >= 0) ? value : _anrTimeoutIntervalMillis;
   }
 
-  bool _enableAutoNativeBreadcrumbs = true;
-
   /// Enable or disable the Automatic breadcrumbs on the Native platforms (Android/iOS)
   /// Screen's lifecycle, App's lifecycle, System events, etc...
   ///
   /// If you only want to record breadcrumbs inside the Flutter environment
   /// consider using [useFlutterBreadcrumbTracking].
-  bool get enableAutoNativeBreadcrumbs => _enableAutoNativeBreadcrumbs;
-
-  set enableAutoNativeBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableAutoNativeBreadcrumbs = value ?? _enableAutoNativeBreadcrumbs;
-  }
+  bool enableAutoNativeBreadcrumbs = true;
 
   int _cacheDirSize = 30;
 
@@ -106,7 +78,7 @@ class SentryFlutterOptions extends SentryOptions {
     'Use enableAppLifecycleBreadcrumbs instead. '
     'This option gets removed in Sentry 5.0.0',
   )
-  bool get enableLifecycleBreadcrumbs => _enableAppLifecycleBreadcrumbs;
+  bool get enableLifecycleBreadcrumbs => enableAppLifecycleBreadcrumbs;
 
   @Deprecated(
     'Use enableAppLifecycleBreadcrumbs instead. '
@@ -131,83 +103,36 @@ class SentryFlutterOptions extends SentryOptions {
   /// [lifecycle](https://developer.apple.com/documentation/uikit/app_and_environment/managing_your_app_s_life_cycle).
   /// However because an iOS Flutter application lives inside a single
   /// `UIViewController` this is an application wide lifecycle event.
-  bool get enableAppLifecycleBreadcrumbs => _enableAppLifecycleBreadcrumbs;
-
-  set enableAppLifecycleBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableAppLifecycleBreadcrumbs = value ?? _enableAppLifecycleBreadcrumbs;
-  }
-
-  bool _enableAppLifecycleBreadcrumbs = false;
+  bool enableAppLifecycleBreadcrumbs = false;
 
   /// Consider disabling [enableAutoNativeBreadcrumbs] if you
   /// enable this. Otherwise you might record window metric events twice.
   /// Also consider using [enableBreadcrumbTrackingForCurrentPlatform]
   /// instead for more sensible defaults.
-  bool get enableWindowMetricBreadcrumbs => _enableWindowMetricBreadcrumbs;
-
-  set enableWindowMetricBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableWindowMetricBreadcrumbs = value ?? _enableWindowMetricBreadcrumbs;
-  }
-
-  bool _enableWindowMetricBreadcrumbs = false;
+  bool enableWindowMetricBreadcrumbs = false;
 
   /// Consider disabling [enableAutoNativeBreadcrumbs] if you
   /// enable this. Otherwise you might record brightness change events twice.
   /// Also consider using [enableBreadcrumbTrackingForCurrentPlatform]
   /// instead for more sensible defaults.
-  bool get enableBrightnessChangeBreadcrumbs =>
-      _enableBrightnessChangeBreadcrumbs;
-
-  set enableBrightnessChangeBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableBrightnessChangeBreadcrumbs =
-        value ?? _enableBrightnessChangeBreadcrumbs;
-  }
-
-  bool _enableBrightnessChangeBreadcrumbs = false;
+  bool enableBrightnessChangeBreadcrumbs = false;
 
   /// Consider disabling [enableAutoNativeBreadcrumbs] if you
   /// enable this. Otherwise you might record text scale change events twice.
   /// Also consider using [enableBreadcrumbTrackingForCurrentPlatform]
   /// instead for more sensible defaults.
-  bool get enableTextScaleChangeBreadcrumbs =>
-      _enableTextScaleChangeBreadcrumbs;
-
-  set enableTextScaleChangeBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableTextScaleChangeBreadcrumbs =
-        value ?? _enableTextScaleChangeBreadcrumbs;
-  }
-
-  bool _enableTextScaleChangeBreadcrumbs = false;
+  bool enableTextScaleChangeBreadcrumbs = false;
 
   /// Consider disabling [enableAutoNativeBreadcrumbs] if you
   /// enable this. Otherwise you might record memory pressure events twice.
   /// Also consider using [enableBreadcrumbTrackingForCurrentPlatform]
   /// instead for more sensible defaults.
-  bool get enableMemoryPressureBreadcrumbs => _enableMemoryPressureBreadcrumbs;
-
-  set enableMemoryPressureBreadcrumbs(bool value) {
-    assert(value != null);
-    _enableMemoryPressureBreadcrumbs =
-        value ?? _enableMemoryPressureBreadcrumbs;
-  }
-
-  bool _enableMemoryPressureBreadcrumbs = false;
+  bool enableMemoryPressureBreadcrumbs = false;
 
   /// By default, we don't report [FlutterErrorDetails.silent] errors,
   /// but you can by enabling this flag.
   /// See https://api.flutter.dev/flutter/foundation/FlutterErrorDetails/silent.html
-  bool get reportSilentFlutterErrors => _reportSilentFlutterErrors;
-
-  set reportSilentFlutterErrors(bool value) {
-    assert(value != null);
-    _reportSilentFlutterErrors = value ?? _reportSilentFlutterErrors;
-  }
-
-  bool _reportSilentFlutterErrors = false;
+  bool reportSilentFlutterErrors = false;
 
   /// By using this, you are disabling native [Breadcrumb] tracking and instead
   /// you are just tracking [Breadcrumb]s which result from events available