Use 'new' expression in places where the type is evident for content (#2590)

* Content.Client

* Content.Benchmarks

* Content.IntegrationTests

* Content.Server

* Content.Server.Database

* Content.Shared

* Content.Tests

* Merge fixes

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Benchmarks/ColorInterpolateBenchmark.cs

@@ -105,7 +105,7 @@ namespace Content.Benchmarks
         [MethodImpl(AggressiveOpt)]
         public static Color InterpolateSimple(Color a, Color b, float lambda)
         {
-            return new Color(
+            return new(
                 a.R + (b.R - a.R) * lambda,
                 a.G + (b.G - a.G) * lambda,
                 a.B + (b.G - a.B) * lambda,

Content.Benchmarks/ComponentFetchBenchmark.cs

@@ -11,14 +11,14 @@ namespace Content.Benchmarks
         [Params(5000)] public int NEnt { get; set; }
 
         private readonly Dictionary<(EntityUid, Type), BComponent>
-            _componentsFlat = new Dictionary<(EntityUid, Type), BComponent>();
+            _componentsFlat = new();
 
         private readonly Dictionary<Type, Dictionary<EntityUid, BComponent>> _componentsPart =
-            new Dictionary<Type, Dictionary<EntityUid, BComponent>>();
+            new();
 
-        private UniqueIndex<Type, BComponent> _allComponents = new UniqueIndex<Type, BComponent>();
+        private UniqueIndex<Type, BComponent> _allComponents = new();
 
-        private readonly List<EntityUid> _lookupEntities = new List<EntityUid>();
+        private readonly List<EntityUid> _lookupEntities = new();
 
         [GlobalSetup]
         public void Setup()

Content.Benchmarks/ComponentManagerGetAllComponents.cs

@@ -13,7 +13,7 @@ namespace Content.Benchmarks
 {
     public class ComponentManagerGetAllComponents
     {
-        private readonly List<IEntity> _entities = new List<IEntity>();
+        private readonly List<IEntity> _entities = new();
 
         private IComponentManager _componentManager;
 

Content.Benchmarks/DynamicTreeBenchmark.cs

@@ -11,10 +11,10 @@ namespace Content.Benchmarks
         {
             ((Box2) default).Enlarged(1), //2x2 square
             ((Box2) default).Enlarged(2), //4x4 square
-            new Box2(-3, 3, -3, 3), // point off to the bottom left
+            new(-3, 3, -3, 3), // point off to the bottom left
-            new Box2(-3, -3, -3, -3), // point off to the top left
+            new(-3, -3, -3, -3), // point off to the top left
-            new Box2(3, 3, 3, 3), // point off to the bottom right
+            new(3, 3, 3, 3), // point off to the bottom right
-            new Box2(3, -3, 3, -3), // point off to the top right
+            new(3, -3, 3, -3), // point off to the top right
             ((Box2) default).Enlarged(1), //2x2 square
             ((Box2) default).Enlarged(2), //4x4 square
             ((Box2) default).Enlarged(1), //2x2 square
@@ -24,10 +24,10 @@ namespace Content.Benchmarks
             ((Box2) default).Enlarged(1), //2x2 square
             ((Box2) default).Enlarged(2), //4x4 square
             ((Box2) default).Enlarged(3), //6x6 square
-            new Box2(-3, 3, -3, 3), // point off to the bottom left
+            new(-3, 3, -3, 3), // point off to the bottom left
-            new Box2(-3, -3, -3, -3), // point off to the top left
+            new(-3, -3, -3, -3), // point off to the top left
-            new Box2(3, 3, 3, 3), // point off to the bottom right
+            new(3, 3, 3, 3), // point off to the bottom right
-            new Box2(3, -3, 3, -3), // point off to the top right
+            new(3, -3, 3, -3), // point off to the top right
         };
 
         private B2DynamicTree<int> _b2Tree;

Content.Benchmarks/EntityFetchBenchmark.cs

@@ -12,8 +12,8 @@ namespace Content.Benchmarks
 
         public int M { get; set; } = 10;
 
-        private readonly DictEntityStorage _dictStorage = new DictEntityStorage();
+        private readonly DictEntityStorage _dictStorage = new();
-        private readonly GenEntityStorage _genStorage = new GenEntityStorage();
+        private readonly GenEntityStorage _genStorage = new();
 
         private IEntityStorage<DictEntity, DictEntityUid> _dictStorageInterface;
         private IEntityStorage<GenEntity, GenEntityUid> _genStorageInterface;
@@ -146,7 +146,7 @@ namespace Content.Benchmarks
         {
             private int _nextValue;
 
-            private readonly Dictionary<DictEntityUid, DictEntity> _dict = new Dictionary<DictEntityUid, DictEntity>();
+            private readonly Dictionary<DictEntityUid, DictEntity> _dict = new();
 
             public override bool TryGetEntity(DictEntityUid entityUid, out DictEntity entity)
             {
@@ -198,7 +198,7 @@ namespace Content.Benchmarks
         private sealed class GenEntityStorage : EntityStorage<GenEntity, GenEntityUid>
         {
             private (int generation, GenEntity entity)[] _entities = new (int, GenEntity)[1];
-            private readonly List<int> _availableSlots = new List<int> {0};
+            private readonly List<int> _availableSlots = new() {0};
 
             public override bool TryGetEntity(GenEntityUid entityUid, out GenEntity entity)
             {

Content.Benchmarks/NetSerializerStringBenchmark.cs

@@ -23,8 +23,8 @@ namespace Content.Benchmarks
         [Params(8, 64, 256, 1024)]
         public int StringLength { get; set; }
 
-        private readonly MemoryStream _outputStream = new MemoryStream(2048);
+        private readonly MemoryStream _outputStream = new(2048);
-        private readonly MemoryStream _inputStream = new MemoryStream(2048);
+        private readonly MemoryStream _inputStream = new(2048);
 
         [GlobalSetup]
         public void Setup()

Content.Client/Administration/ClientAdminManager.cs

@@ -17,7 +17,7 @@ namespace Content.Client.Administration
         [Dependency] private readonly IClientConGroupController _conGroup = default!;
 
         private AdminData? _adminData;
-        private readonly HashSet<string> _availableCommands = new HashSet<string>();
+        private readonly HashSet<string> _availableCommands = new();
 
         public event Action? AdminStatusUpdated;
 

Content.Client/Arcade/BlockGameMenu.cs

@@ -18,10 +18,10 @@ namespace Content.Client.Arcade
 {
     public class BlockGameMenu : SS14Window
     {
-        private static readonly Color OverlayBackgroundColor = new Color(74,74,81,180);
+        private static readonly Color OverlayBackgroundColor = new(74,74,81,180);
-        private static readonly Color OverlayShadowColor = new Color(0,0,0,83);
+        private static readonly Color OverlayShadowColor = new(0,0,0,83);
 
-        private static readonly Vector2 BlockSize = new Vector2(15,15);
+        private static readonly Vector2 BlockSize = new(15,15);
 
         private readonly BlockGameBoundUserInterface _owner;
 

Content.Client/Chat/ChatManager.cs

@@ -61,7 +61,7 @@ namespace Content.Client.Chat
         private const char MeAlias = '@';
         private const char AdminChatAlias = ']';
 
-        private readonly List<StoredChatMessage> filteredHistory = new List<StoredChatMessage>();
+        private readonly List<StoredChatMessage> filteredHistory = new();
 
         // Filter Button States
         private bool _allState;
@@ -88,13 +88,13 @@ namespace Content.Client.Chat
         ///     We track them to push them up when new ones get added.
         /// </summary>
         private readonly Dictionary<EntityUid, List<SpeechBubble>> _activeSpeechBubbles =
-            new Dictionary<EntityUid, List<SpeechBubble>>();
+            new();
 
         /// <summary>
         ///     Speech bubbles that are to-be-sent because of the "rate limit" they have.
         /// </summary>
         private readonly Dictionary<EntityUid, SpeechBubbleQueueData> _queuedSpeechBubbles
-            = new Dictionary<EntityUid, SpeechBubbleQueueData>();
+            = new();
 
         public void Initialize()
         {
@@ -532,7 +532,7 @@ namespace Content.Client.Chat
             /// </summary>
             public float TimeLeft { get; set; }
 
-            public Queue<SpeechBubbleData> MessageQueue { get; } = new Queue<SpeechBubbleData>();
+            public Queue<SpeechBubbleData> MessageQueue { get; } = new();
         }
     }
 }

Content.Client/ClickMapManager.cs

@@ -22,10 +22,10 @@ namespace Content.Client
         [Dependency] private readonly IResourceCache _resourceCache = default!;
 
         [ViewVariables]
-        private readonly Dictionary<Texture, ClickMap> _textureMaps = new Dictionary<Texture, ClickMap>();
+        private readonly Dictionary<Texture, ClickMap> _textureMaps = new();
 
         [ViewVariables] private readonly Dictionary<RSI, RsiClickMapData> _rsiMaps =
-            new Dictionary<RSI, RsiClickMapData>();
+            new();
 
         public void PostInject()
         {

Content.Client/ClientNotifyManager.cs

@@ -29,7 +29,7 @@ namespace Content.Client
         [Dependency] private readonly IClientNetManager _netManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
 
-        private readonly List<PopupLabel> _aliveLabels = new List<PopupLabel>();
+        private readonly List<PopupLabel> _aliveLabels = new();
         private bool _initialized;
 
         public void Initialize()

Content.Client/Command/CommunicationsConsoleMenu.cs

@@ -15,7 +15,7 @@ namespace Content.Client.Command
         protected override Vector2? CustomSize => new Vector2(600, 400);
 
         private CommunicationsConsoleBoundUserInterface Owner { get; set; }
-        private readonly CancellationTokenSource _timerCancelTokenSource = new CancellationTokenSource();
+        private readonly CancellationTokenSource _timerCancelTokenSource = new();
         private readonly Button _emergencyShuttleButton;
         private readonly RichTextLabel _countdownLabel;
 

Content.Client/Construction/ConstructionMenu.cs

@@ -143,7 +143,7 @@ namespace Content.Client.Construction
 
         private static ItemList.Item GetItem(ConstructionPrototype recipe, ItemList itemList)
         {
-            return new ItemList.Item(itemList)
+            return new(itemList)
             {
                 Metadata = recipe,
                 Text = recipe.Name,

Content.Client/Eui/EuiManager.cs

@@ -15,7 +15,7 @@ namespace Content.Client.Eui
         [Dependency] private readonly IReflectionManager _refl = default!;
         [Dependency] private readonly IDynamicTypeFactory _dtf = default!;
 
-        private readonly Dictionary<uint, EuiData> _openUis = new Dictionary<uint, EuiData>();
+        private readonly Dictionary<uint, EuiData> _openUis = new();
 
         public void Initialize()
         {

Content.Client/GameObjects/Components/Access/IdCardConsoleWindow.cs

@@ -29,7 +29,7 @@ namespace Content.Client.GameObjects.Components.Access
 
         private readonly IdCardConsoleBoundUserInterface _owner;
 
-        private readonly Dictionary<string, Button> _accessButtons = new Dictionary<string, Button>();
+        private readonly Dictionary<string, Button> _accessButtons = new();
 
         private string _lastFullName;
         private string _lastJobTitle;

Content.Client/GameObjects/Components/Cargo/CargoOrderDatabaseComponent.cs

@@ -9,7 +9,7 @@ namespace Content.Client.GameObjects.Components.Cargo
     [RegisterComponent]
     public class CargoOrderDatabaseComponent : SharedCargoOrderDatabaseComponent
     {
-        private readonly List<CargoOrderData> _orders = new List<CargoOrderData>();
+        private readonly List<CargoOrderData> _orders = new();
 
         public IReadOnlyList<CargoOrderData> Orders => _orders;
         /// <summary>

Content.Client/GameObjects/Components/ClickableComponent.cs

@@ -130,7 +130,7 @@ namespace Content.Client.GameObjects.Components
             [ViewVariables] public Box2 East;
             [ViewVariables] public Box2 West;
 
-            public static DirBoundData Default { get; } = new DirBoundData();
+            public static DirBoundData Default { get; } = new();
 
             public void ExposeData(ObjectSerializer serializer)
             {

Content.Client/GameObjects/Components/CloningPod/CloningPodWindow.cs

@@ -33,7 +33,7 @@ namespace Content.Client.GameObjects.Components.CloningPod
         private CloningPodBoundUserInterfaceState _lastUpdate = null!;
 
         // List of scans that are visible based on current filter criteria.
-        private readonly Dictionary<int, string> _filteredScans = new Dictionary<int, string>();
+        private readonly Dictionary<int, string> _filteredScans = new();
 
         // The indices of the visible scans last time UpdateVisibleScans was ran.
         // This is inclusive, so end is the index of the last scan, not right after it.

Content.Client/GameObjects/Components/DoAfterComponent.cs

@@ -17,10 +17,9 @@ namespace Content.Client.GameObjects.Components
         public override string Name => "DoAfter";
 
         public IReadOnlyDictionary<byte, ClientDoAfter> DoAfters => _doAfters;
-        private readonly Dictionary<byte, ClientDoAfter> _doAfters = new Dictionary<byte, ClientDoAfter>();
+        private readonly Dictionary<byte, ClientDoAfter> _doAfters = new();
         
-        public readonly List<(TimeSpan CancelTime, ClientDoAfter Message)> CancelledDoAfters =
+        public readonly List<(TimeSpan CancelTime, ClientDoAfter Message)> CancelledDoAfters = new();
-                     new List<(TimeSpan CancelTime, ClientDoAfter Message)>();
 
         public DoAfterGui? Gui { get; set; }
 

Content.Client/GameObjects/Components/FlashLightVisualizer.cs

@@ -12,7 +12,7 @@ namespace Content.Client.GameObjects.Components
     [UsedImplicitly]
     public class FlashLightVisualizer : AppearanceVisualizer
     {
-        private readonly Animation _radiatingLightAnimation = new Animation
+        private readonly Animation _radiatingLightAnimation = new()
         {
             Length = TimeSpan.FromSeconds(1),
             AnimationTracks =
@@ -32,7 +32,7 @@ namespace Content.Client.GameObjects.Components
             }
         };
 
-        private readonly Animation _blinkingLightAnimation = new Animation
+        private readonly Animation _blinkingLightAnimation = new()
         {
             Length = TimeSpan.FromSeconds(1),
             AnimationTracks =

Content.Client/GameObjects/Components/Gravity/GravityGeneratorVisualizer.cs

@@ -11,7 +11,7 @@ namespace Content.Client.GameObjects.Components.Gravity
 {
     public class GravityGeneratorVisualizer : AppearanceVisualizer
     {
-        private readonly Dictionary<GravityGeneratorStatus, string> _spriteMap = new Dictionary<GravityGeneratorStatus, string>();
+        private readonly Dictionary<GravityGeneratorStatus, string> _spriteMap = new();
 
         public override void InitializeEntity(IEntity entity)
         {

Content.Client/GameObjects/Components/HUD/Inventory/ClientInventoryComponent.cs

@@ -22,7 +22,7 @@ namespace Content.Client.GameObjects.Components.HUD.Inventory
     [RegisterComponent]
     public class ClientInventoryComponent : SharedInventoryComponent
     {
-        private readonly Dictionary<Slots, IEntity> _slots = new Dictionary<Slots, IEntity>();
+        private readonly Dictionary<Slots, IEntity> _slots = new();
 
         [ViewVariables] public InventoryInterfaceController InterfaceController { get; private set; } = default!;
 

Content.Client/GameObjects/Components/HUD/Inventory/HumanInventoryInterfaceController.cs

@@ -22,7 +22,7 @@ namespace Content.Client.GameObjects.Components.HUD.Inventory
         [Dependency] private readonly IItemSlotManager _itemSlotManager = default!;
 
         private readonly Dictionary<Slots, List<ItemSlotButton>> _inventoryButtons
-            = new Dictionary<Slots, List<ItemSlotButton>>();
+            = new();
 
         private ItemSlotButton _hudButtonPocket1;
         private ItemSlotButton _hudButtonPocket2;

Content.Client/GameObjects/Components/HandheldLightComponent.cs

@@ -42,12 +42,12 @@ namespace Content.Client.GameObjects.Components
 
             private float _timer;
 
-            private static readonly StyleBoxFlat _styleBoxLit = new StyleBoxFlat
+            private static readonly StyleBoxFlat _styleBoxLit = new()
             {
                 BackgroundColor = Color.Green
             };
 
-            private static readonly StyleBoxFlat _styleBoxUnlit = new StyleBoxFlat
+            private static readonly StyleBoxFlat _styleBoxUnlit = new()
             {
                 BackgroundColor = Color.Black
             };

Content.Client/GameObjects/Components/Instruments/InstrumentComponent.cs

@@ -50,7 +50,7 @@ namespace Content.Client.GameObjects.Components.Instruments
         ///     A queue of MidiEvents to be sent to the server.
         /// </summary>
         [ViewVariables]
-        private readonly List<MidiEvent> _midiEventBuffer = new List<MidiEvent>();
+        private readonly List<MidiEvent> _midiEventBuffer = new();
 
         /// <summary>
         ///     Whether a midi song will loop or not.

Content.Client/GameObjects/Components/Items/HandsComponent.cs

@@ -21,7 +21,7 @@ namespace Content.Client.GameObjects.Components.Items
 
         private HandsGui? _gui;
 
-        private readonly List<Hand> _hands = new List<Hand>();
+        private readonly List<Hand> _hands = new();
 
         [ViewVariables] public IReadOnlyList<Hand> Hands => _hands;
 

Content.Client/GameObjects/Components/Kitchen/MicrowaveBoundUserInterface.cs

@@ -26,8 +26,8 @@ namespace Content.Client.GameObjects.Components.Kitchen
 
         private MicrowaveMenu _menu;
 
-        private readonly Dictionary<int, EntityUid> _solids = new Dictionary<int, EntityUid>();
+        private readonly Dictionary<int, EntityUid> _solids = new();
-        private readonly Dictionary<int, Solution.ReagentQuantity> _reagents =new Dictionary<int, Solution.ReagentQuantity>();
+        private readonly Dictionary<int, Solution.ReagentQuantity> _reagents =new();
 
         public MicrowaveBoundUserInterface(ClientUserInterfaceComponent owner, object uiKey) : base(owner,uiKey)
         {

Content.Client/GameObjects/Components/LanternVisualizer.cs

@@ -11,7 +11,7 @@ namespace Content.Client.GameObjects.Components
     [UsedImplicitly]
     public class LanternVisualizer : AppearanceVisualizer
     {
-        private readonly Animation _radiatingLightAnimation = new Animation
+        private readonly Animation _radiatingLightAnimation = new()
         {
             Length = TimeSpan.FromSeconds(5),
             AnimationTracks =

Content.Client/GameObjects/Components/LightBehaviourComponent.cs

@@ -361,7 +361,7 @@ namespace Content.Client.GameObjects.Components
         }
 
         [ViewVariables(VVAccess.ReadOnly)]
-        private readonly List<AnimationContainer> _animations = new List<AnimationContainer>();
+        private readonly List<AnimationContainer> _animations = new();
 
         private float _originalRadius = default;
         private float _originalEnergy = default;

Content.Client/GameObjects/Components/Mobs/ClientAlertsComponent.cs

@@ -45,7 +45,7 @@ namespace Content.Client.GameObjects.Components.Mobs
 
         [ViewVariables]
         private readonly Dictionary<AlertKey, AlertControl> _alertControls
-            = new Dictionary<AlertKey, AlertControl>();
+            = new();
 
         /// <summary>
         /// Allows calculating if we need to act due to this component being controlled by the current mob

Content.Client/GameObjects/Components/Mobs/ClientOverlayEffectsComponent.cs

@@ -31,7 +31,7 @@ namespace Content.Client.GameObjects.Components.Mobs
         /// <summary>
         /// A list of overlay containers representing the current overlays applied
         /// </summary>
-        private List<OverlayContainer> _currentEffects = new List<OverlayContainer>();
+        private List<OverlayContainer> _currentEffects = new();
 
         [ViewVariables(VVAccess.ReadOnly)]
         public List<OverlayContainer> ActiveOverlays

Content.Client/GameObjects/Components/Mobs/DamageStateVisualizer.cs

@@ -14,7 +14,7 @@ namespace Content.Client.GameObjects.Components.Mobs
     public sealed class DamageStateVisualizer : AppearanceVisualizer
     {
         private DamageState _data = DamageState.Alive;
-        private readonly Dictionary<DamageState, string> _stateMap = new Dictionary<DamageState, string>();
+        private readonly Dictionary<DamageState, string> _stateMap = new();
         private int? _originalDrawDepth;
 
         public override void LoadData(YamlMappingNode node)

Content.Client/GameObjects/Components/Mobs/State/MobStateManagerComponent.cs

@@ -10,7 +10,7 @@ namespace Content.Client.GameObjects.Components.Mobs.State
     [ComponentReference(typeof(SharedMobStateManagerComponent))]
     public class MobStateManagerComponent : SharedMobStateManagerComponent
     {
-        private readonly Dictionary<DamageState, IMobState> _behavior = new Dictionary<DamageState, IMobState>
+        private readonly Dictionary<DamageState, IMobState> _behavior = new()
         {
             {DamageState.Alive, new NormalState()},
             {DamageState.Critical, new CriticalState()},

Content.Client/GameObjects/Components/Observer/GhostComponent.cs

@@ -19,8 +19,8 @@ namespace Content.Client.GameObjects.Components.Observer
         [Dependency] private readonly IGameHud _gameHud = default!;
         [Dependency] private readonly IPlayerManager _playerManager = default!;
         [Dependency] private readonly IComponentManager _componentManager = default!;
-        public List<string> WarpNames = new List<string>();
+        public List<string> WarpNames = new();
-        public Dictionary<EntityUid,string> PlayerNames = new Dictionary<EntityUid,string>();
+        public Dictionary<EntityUid,string> PlayerNames = new();
 
         private GhostGui? _gui ;
 

Content.Client/GameObjects/Components/ParticleAcceleratorPartVisualizer.cs

@@ -21,7 +21,7 @@ namespace Content.Client.GameObjects.Components
 {
     public class ParticleAcceleratorPartVisualizer : AppearanceVisualizer
     {
-        private readonly Dictionary<ParticleAcceleratorVisualState, string> _states = new Dictionary<ParticleAcceleratorVisualState, string>();
+        private readonly Dictionary<ParticleAcceleratorVisualState, string> _states = new();
 
         public override void LoadData(YamlMappingNode node)
         {

Content.Client/GameObjects/Components/Power/SolarControlConsoleBoundUserInterface.cs

@@ -17,7 +17,7 @@ namespace Content.Client.GameObjects.Components.Power
         [Dependency] private readonly IGameTiming _gameTiming = default;
 
         private SolarControlWindow _window;
-        private SolarControlConsoleBoundInterfaceState _lastState = new SolarControlConsoleBoundInterfaceState(0, 0, 0, 0);
+        private SolarControlConsoleBoundInterfaceState _lastState = new(0, 0, 0, 0);
 
         protected override void Open()
         {
@@ -161,7 +161,7 @@ namespace Content.Client.GameObjects.Components.Power
             // This makes the display feel a lot smoother.
             private IGameTiming _gameTiming;
 
-            private SolarControlConsoleBoundInterfaceState _lastState = new SolarControlConsoleBoundInterfaceState(0, 0, 0, 0);
+            private SolarControlConsoleBoundInterfaceState _lastState = new(0, 0, 0, 0);
 
             private TimeSpan _lastStateTime = TimeSpan.Zero;
 

Content.Client/GameObjects/Components/Research/LatheBoundUserInterface.cs

@@ -25,7 +25,7 @@ namespace Content.Client.GameObjects.Components.Research
 
         [ViewVariables]
         public Queue<LatheRecipePrototype> QueuedRecipes => _queuedRecipes;
-        private readonly Queue<LatheRecipePrototype> _queuedRecipes = new Queue<LatheRecipePrototype>();
+        private readonly Queue<LatheRecipePrototype> _queuedRecipes = new();
 
         public LatheBoundUserInterface(ClientUserInterfaceComponent owner, object uiKey) : base(owner, uiKey)
         {

Content.Client/GameObjects/Components/Research/MaterialStorageComponent.cs

@@ -9,7 +9,7 @@ namespace Content.Client.GameObjects.Components.Research
     [ComponentReference(typeof(SharedMaterialStorageComponent))]
     public class MaterialStorageComponent : SharedMaterialStorageComponent
     {
-        protected override Dictionary<string, int> Storage { get; set; } = new Dictionary<string, int>();
+        protected override Dictionary<string, int> Storage { get; set; } = new();
 
         public event Action OnMaterialStorageChanged;
 

Content.Client/GameObjects/Components/Sound/LoopingSoundComponent.cs

@@ -21,7 +21,7 @@ namespace Content.Client.GameObjects.Components.Sound
     {
         [Dependency] private readonly IRobustRandom _random = default!;
 
-        private readonly Dictionary<ScheduledSound, IPlayingAudioStream> _audioStreams = new Dictionary<ScheduledSound, IPlayingAudioStream>();
+        private readonly Dictionary<ScheduledSound, IPlayingAudioStream> _audioStreams = new();
         private AudioSystem _audioSystem;
 
         public override void StopAllSounds()

Content.Client/GameObjects/Components/Storage/ClientStorageComponent.cs

@@ -25,7 +25,7 @@ namespace Content.Client.GameObjects.Components.Storage
     [RegisterComponent]
     public class ClientStorageComponent : SharedStorageComponent, IDraggable
     {
-        private List<IEntity> _storedEntities = new List<IEntity>();
+        private List<IEntity> _storedEntities = new();
         private int StorageSizeUsed;
         private int StorageCapacityMax;
         private StorageWindow Window;
@@ -138,8 +138,8 @@ namespace Content.Client.GameObjects.Components.Storage
             private readonly Label _information;
             public ClientStorageComponent StorageEntity;
 
-            private readonly StyleBoxFlat _hoveredBox = new StyleBoxFlat { BackgroundColor = Color.Black.WithAlpha(0.35f) };
+            private readonly StyleBoxFlat _hoveredBox = new() { BackgroundColor = Color.Black.WithAlpha(0.35f) };
-            private readonly StyleBoxFlat _unHoveredBox = new StyleBoxFlat { BackgroundColor = Color.Black.WithAlpha(0.0f) };
+            private readonly StyleBoxFlat _unHoveredBox = new() { BackgroundColor = Color.Black.WithAlpha(0.0f) };
 
             protected override Vector2? CustomSize => (180, 320);
 

Content.Client/GameObjects/Components/Suspicion/SuspicionRoleComponent.cs

@@ -67,7 +67,7 @@ namespace Content.Client.GameObjects.Components.Suspicion
             }
         }
 
-        public HashSet<EntityUid> Allies { get; } = new HashSet<EntityUid>();
+        public HashSet<EntityUid> Allies { get; } = new();
 
         private bool AddAlly(EntityUid ally)
         {

Content.Client/GameObjects/Components/Suspicion/TraitorOverlay.cs

@@ -23,7 +23,7 @@ namespace Content.Client.GameObjects.Components.Suspicion
         private readonly Font _font;
 
         private readonly IEntity _user;
-        private readonly HashSet<EntityUid> _allies = new HashSet<EntityUid>();
+        private readonly HashSet<EntityUid> _allies = new();
         private readonly string _traitorText = Loc.GetString("Traitor");
 
         public TraitorOverlay(

Content.Client/GameObjects/Components/VendingMachines/VendingMachineVisualizer.cs

@@ -26,7 +26,7 @@ namespace Content.Client.GameObjects.Components.VendingMachines
         private Dictionary<string, bool> _baseStates;
 
         private static readonly Dictionary<string, VendingMachineVisualLayers> LayerMap =
-            new Dictionary<string, VendingMachineVisualLayers>
+            new()
             {
                 {"off", VendingMachineVisualLayers.Unlit},
                 {"screen", VendingMachineVisualLayers.Screen},
@@ -39,7 +39,7 @@ namespace Content.Client.GameObjects.Components.VendingMachines
                 {"broken", VendingMachineVisualLayers.Unlit},
             };
 
-        private readonly Dictionary<string, Animation> _animations = new Dictionary<string, Animation>();
+        private readonly Dictionary<string, Animation> _animations = new();
 
         public override void LoadData(YamlMappingNode node)
         {

Content.Client/GameObjects/Components/Weapons/Ranged/Barrels/ClientMagazineBarrelComponent.cs

@@ -22,7 +22,7 @@ namespace Content.Client.GameObjects.Components.Weapons.Ranged.Barrels
     [RegisterComponent]
     public class ClientMagazineBarrelComponent : Component, IItemStatus
     {
-        private static readonly Animation AlarmAnimationSmg = new Animation
+        private static readonly Animation AlarmAnimationSmg = new()
         {
             Length = TimeSpan.FromSeconds(1.4),
             AnimationTracks =
@@ -45,7 +45,7 @@ namespace Content.Client.GameObjects.Components.Weapons.Ranged.Barrels
             }
         };
 
-        private static readonly Animation AlarmAnimationLmg = new Animation
+        private static readonly Animation AlarmAnimationLmg = new()
         {
             Length = TimeSpan.FromSeconds(0.75),
             AnimationTracks =

Content.Client/GameObjects/Components/Wires/WiresMenu.cs

@@ -481,7 +481,7 @@ namespace Content.Client.GameObjects.Components.Wires
 
         private sealed class StatusLight : Control
         {
-            private static readonly Animation _blinkingFast = new Animation
+            private static readonly Animation _blinkingFast = new()
             {
                 Length = TimeSpan.FromSeconds(0.2),
                 AnimationTracks =
@@ -500,7 +500,7 @@ namespace Content.Client.GameObjects.Components.Wires
                 }
             };
 
-            private static readonly Animation _blinkingSlow = new Animation
+            private static readonly Animation _blinkingSlow = new()
             {
                 Length = TimeSpan.FromSeconds(0.8),
                 AnimationTracks =

Content.Client/GameObjects/EntitySystems/AI/ClientAiDebugSystem.cs

@@ -19,7 +19,7 @@ namespace Content.Client.GameObjects.EntitySystems.AI
         [Dependency] private readonly IEyeManager _eyeManager = default!;
 
         private AiDebugMode _tooltips = AiDebugMode.None;
-        private readonly Dictionary<IEntity, PanelContainer> _aiBoxes = new Dictionary<IEntity,PanelContainer>();
+        private readonly Dictionary<IEntity, PanelContainer> _aiBoxes = new();
 
         public override void Update(float frameTime)
         {

Content.Client/GameObjects/EntitySystems/AI/ClientPathfindingDebugSystem.cs

@@ -179,27 +179,27 @@ namespace Content.Client.GameObjects.EntitySystems.AI
         public PathfindingDebugMode Modes { get; set; } = PathfindingDebugMode.None;
 
         // Graph debugging
-        public readonly Dictionary<int, List<Vector2>> Graph = new Dictionary<int, List<Vector2>>();
+        public readonly Dictionary<int, List<Vector2>> Graph = new();
-        private readonly Dictionary<int, Color> _graphColors = new Dictionary<int, Color>();
+        private readonly Dictionary<int, Color> _graphColors = new();
 
         // Cached regions
         public readonly Dictionary<GridId, Dictionary<int, List<Vector2>>> CachedRegions =
-                    new Dictionary<GridId, Dictionary<int, List<Vector2>>>();
+                    new();
 
         private readonly Dictionary<GridId, Dictionary<int, Color>> _cachedRegionColors =
-                     new Dictionary<GridId, Dictionary<int, Color>>();
+                     new();
 
         // Regions
         public readonly Dictionary<GridId, Dictionary<int, Dictionary<int, List<Vector2>>>> Regions =
-                    new Dictionary<GridId, Dictionary<int, Dictionary<int, List<Vector2>>>>();
+                    new();
 
         private readonly Dictionary<GridId, Dictionary<int, Dictionary<int, Color>>> _regionColors =
-                     new Dictionary<GridId, Dictionary<int, Dictionary<int, Color>>>();
+                     new();
 
         // Route debugging
         // As each pathfinder is very different you'll likely want to draw them completely different
-        public readonly List<SharedAiDebug.AStarRouteMessage> AStarRoutes = new List<SharedAiDebug.AStarRouteMessage>();
+        public readonly List<SharedAiDebug.AStarRouteMessage> AStarRoutes = new();
-        public readonly List<SharedAiDebug.JpsRouteMessage> JpsRoutes = new List<SharedAiDebug.JpsRouteMessage>();
+        public readonly List<SharedAiDebug.JpsRouteMessage> JpsRoutes = new();
 
         public DebugPathfindingOverlay() : base(nameof(DebugPathfindingOverlay))
         {

Content.Client/GameObjects/EntitySystems/AtmosDebugOverlaySystem.cs

@@ -18,7 +18,7 @@ namespace Content.Client.GameObjects.EntitySystems
         [Dependency] private readonly IMapManager _mapManager = default!;
 
         private readonly Dictionary<GridId, AtmosDebugOverlayMessage> _tileData =
-            new Dictionary<GridId, AtmosDebugOverlayMessage>();
+            new();
 
         public override void Initialize()
         {

Content.Client/GameObjects/EntitySystems/ConstructionSystem.cs

@@ -29,7 +29,7 @@ namespace Content.Client.GameObjects.EntitySystems
         [Dependency] private readonly IPlayerManager _playerManager = default!;
 
         private int _nextId;
-        private readonly Dictionary<int, ConstructionGhostComponent> _ghosts = new Dictionary<int, ConstructionGhostComponent>();
+        private readonly Dictionary<int, ConstructionGhostComponent> _ghosts = new();
         private ConstructionMenu _constructionMenu;
 
         /// <inheritdoc />

Content.Client/GameObjects/EntitySystems/DoAfter/DoAfterGui.cs

@@ -21,11 +21,11 @@ namespace Content.Client.GameObjects.EntitySystems.DoAfter
         [Dependency] private readonly IEyeManager _eyeManager = default!;
         [Dependency] private readonly IGameTiming _gameTiming = default!;
 
-        private readonly Dictionary<byte, PanelContainer> _doAfterControls = new Dictionary<byte, PanelContainer>();
+        private readonly Dictionary<byte, PanelContainer> _doAfterControls = new();
-        private readonly Dictionary<byte, DoAfterBar> _doAfterBars = new Dictionary<byte, DoAfterBar>();
+        private readonly Dictionary<byte, DoAfterBar> _doAfterBars = new();
 
         // We'll store cancellations for a little bit just so we can flash the graphic to indicate it's cancelled
-        private readonly Dictionary<byte, TimeSpan> _cancelledDoAfters = new Dictionary<byte, TimeSpan>();
+        private readonly Dictionary<byte, TimeSpan> _cancelledDoAfters = new();
 
         public IEntity? AttachedEntity { get; set; }
         private ScreenCoordinates _playerPosition;

Content.Client/GameObjects/EntitySystems/DoAfter/DoAfterSystem.cs

@@ -35,7 +35,7 @@ namespace Content.Client.GameObjects.EntitySystems.DoAfter
 
         // Each component in range will have its own vBox which we need to keep track of so if they go out of range or
         // come into range it needs altering
-        private readonly HashSet<DoAfterComponent> _knownComponents = new HashSet<DoAfterComponent>();
+        private readonly HashSet<DoAfterComponent> _knownComponents = new();
 
         private IEntity? _attachedEntity;
 

Content.Client/GameObjects/EntitySystems/DragDropSystem.cs

@@ -51,7 +51,7 @@ namespace Content.Client.GameObjects.EntitySystems
         // entity performing the drag action
         private IEntity _dragger;
         private IEntity _draggedEntity;
-        private readonly List<IDraggable> _draggables = new List<IDraggable>();
+        private readonly List<IDraggable> _draggables = new();
         private IEntity _dragShadow;
         private DragState _state;
         // time since mouse down over the dragged entity
@@ -71,7 +71,7 @@ namespace Content.Client.GameObjects.EntitySystems
         private SharedInteractionSystem _interactionSystem;
         private InputSystem _inputSystem;
 
-        private readonly List<SpriteComponent> _highlightedSprites = new List<SpriteComponent>();
+        private readonly List<SpriteComponent> _highlightedSprites = new();
 
         private enum DragState
         {

Content.Client/GameObjects/EntitySystems/GasTileOverlaySystem.cs

@@ -24,7 +24,7 @@ namespace Content.Client.GameObjects.EntitySystems
         [Dependency] private readonly IMapManager _mapManager = default!;
         [Dependency] private readonly IResourceCache _resourceCache = default!;
 
-        private readonly Dictionary<float, Color> _fireCache = new Dictionary<float, Color>();
+        private readonly Dictionary<float, Color> _fireCache = new();
 
         // Gas overlays
         private readonly float[] _timer = new float[Atmospherics.TotalNumberOfGases];
@@ -42,7 +42,7 @@ namespace Content.Client.GameObjects.EntitySystems
         private readonly Texture[][] _fireFrames = new Texture[FireStates][];
 
         private readonly Dictionary<GridId, Dictionary<Vector2i, GasOverlayChunk>> _tileData =
-            new Dictionary<GridId, Dictionary<Vector2i, GasOverlayChunk>>();
+            new();
 
         private AtmosphereSystem _atmosphereSystem = default!;
 

Content.Client/GameObjects/EntitySystems/IconSmoothSystem.cs

@@ -21,7 +21,7 @@ namespace Content.Client.GameObjects.EntitySystems
     {
         [Dependency] private readonly IMapManager _mapManager = default!;
 
-        private readonly Queue<IEntity> _dirtyEntities = new Queue<IEntity>();
+        private readonly Queue<IEntity> _dirtyEntities = new();
 
         private int _generation;
 

Content.Client/GameObjects/EntitySystems/WindowSystem.cs

@@ -10,7 +10,7 @@ namespace Content.Client.GameObjects.EntitySystems
     [UsedImplicitly]
     public sealed class WindowSystem : EntitySystem
     {
-        private readonly Queue<IEntity> _dirtyEntities = new Queue<IEntity>();
+        private readonly Queue<IEntity> _dirtyEntities = new();
 
         public override void Initialize()
         {

Content.Client/GameTicking/ClientGameTicker.cs

@@ -22,7 +22,7 @@ namespace Content.Client.GameTicking
         [Dependency] private readonly IStateManager _stateManager = default!;
 
         [ViewVariables] private bool _initialized;
-        private readonly List<string> _jobsAvailable = new List<string>();
+        private readonly List<string> _jobsAvailable = new();
 
         [ViewVariables] public bool AreWeReady { get; private set; }
         [ViewVariables] public bool IsGameStarted { get; private set; }

Content.Client/Parallax/ParallaxGenerator.cs

@@ -16,7 +16,7 @@ namespace Content.Client.Parallax
 {
     public class ParallaxGenerator
     {
-        private readonly List<Layer> Layers = new List<Layer>();
+        private readonly List<Layer> Layers = new();
 
         public static Image<Rgba32> GenerateParallax(TomlTable config, Size size, ISawmill sawmill, List<Image<Rgba32>> debugLayerDump)
         {

Content.Client/Parallax/ParallaxManager.cs

@@ -24,11 +24,11 @@ namespace Content.Client.Parallax
         [Dependency] private readonly ILogManager _logManager = default!;
         [Dependency] private readonly IConfigurationManager _configurationManager = default!;
 
-        private static readonly ResourcePath ParallaxConfigPath = new ResourcePath("/parallax_config.toml");
+        private static readonly ResourcePath ParallaxConfigPath = new("/parallax_config.toml");
 
         // Both of these below are in the user directory.
-        private static readonly ResourcePath ParallaxPath = new ResourcePath("/parallax_cache.png");
+        private static readonly ResourcePath ParallaxPath = new("/parallax_cache.png");
-        private static readonly ResourcePath ParallaxConfigOld = new ResourcePath("/parallax_config_old");
+        private static readonly ResourcePath ParallaxConfigOld = new("/parallax_config_old");
 
         public event Action<Texture> OnTextureLoaded;
         public Texture ParallaxTexture { get; private set; }

Content.Client/Research/LatheMenu.cs

@@ -27,8 +27,8 @@ namespace Content.Client.Research
 
         public LatheBoundUserInterface Owner { get; set; }
 
-        private readonly List<LatheRecipePrototype> _recipes = new List<LatheRecipePrototype>();
+        private readonly List<LatheRecipePrototype> _recipes = new();
-        private readonly List<LatheRecipePrototype> _shownRecipes = new List<LatheRecipePrototype>();
+        private readonly List<LatheRecipePrototype> _shownRecipes = new();
 
         public LatheMenu(LatheBoundUserInterface owner = null)
         {

Content.Client/Research/ResearchConsoleMenu.cs

@@ -18,9 +18,9 @@ namespace Content.Client.Research
 
         protected override Vector2? CustomSize => (800, 400);
 
-        private readonly List<TechnologyPrototype> _unlockedTechnologyPrototypes = new List<TechnologyPrototype>();
+        private readonly List<TechnologyPrototype> _unlockedTechnologyPrototypes = new();
-        private readonly List<TechnologyPrototype> _unlockableTechnologyPrototypes = new List<TechnologyPrototype>();
+        private readonly List<TechnologyPrototype> _unlockableTechnologyPrototypes = new();
-        private readonly List<TechnologyPrototype> _futureTechnologyPrototypes = new List<TechnologyPrototype>();
+        private readonly List<TechnologyPrototype> _futureTechnologyPrototypes = new();
 
         private readonly Label _pointLabel;
         private readonly Label _pointsPerSecondLabel;

Content.Client/ScreenshotHook.cs

@@ -15,7 +15,7 @@ namespace Content.Client
 {
     internal class ScreenshotHook : IScreenshotHook
     {
-        private static readonly ResourcePath BaseScreenshotPath = new ResourcePath("/Screenshots");
+        private static readonly ResourcePath BaseScreenshotPath = new("/Screenshots");
 
         [Dependency] private readonly IInputManager _inputManager = default;
         [Dependency] private readonly IClyde _clyde = default;

Content.Client/State/MainMenu.cs

@@ -40,7 +40,7 @@ namespace Content.Client.State
         private bool _isConnecting;
 
         // ReSharper disable once InconsistentNaming
-        private static readonly Regex IPv6Regex = new Regex(@"\[(.*:.*:.*)](?::(\d+))?");
+        private static readonly Regex IPv6Regex = new(@"\[(.*:.*:.*)](?::(\d+))?");
 
         /// <inheritdoc />
         public override void Startup()

Content.Client/StationEvents/RadiationPulseOverlay.cs

@@ -29,18 +29,18 @@ namespace Content.Client.StationEvents
         /// <summary>
         /// Current color of a pulse
         /// </summary>
-        private readonly Dictionary<IEntity, Color> _colors = new Dictionary<IEntity, Color>();
+        private readonly Dictionary<IEntity, Color> _colors = new();
 
         /// <summary>
         /// Whether our alpha is increasing or decreasing and at what time does it flip (or stop)
         /// </summary>
         private readonly Dictionary<IEntity, (bool EasingIn, TimeSpan TransitionTime)> _transitions =
-                     new Dictionary<IEntity, (bool EasingIn, TimeSpan TransitionTime)>();
+                     new();
 
         /// <summary>
         /// How much the alpha changes per second for each pulse
         /// </summary>
-        private readonly Dictionary<IEntity, float> _alphaRateOfChange = new Dictionary<IEntity, float>();
+        private readonly Dictionary<IEntity, float> _alphaRateOfChange = new();
 
         private TimeSpan _lastTick;
 

Content.Client/UserInterface/AdminMenu/AdminMenuWindow.cs

@@ -33,30 +33,30 @@ namespace Content.Client.UserInterface.AdminMenu
 
         protected override Vector2? CustomSize => (500, 250);
 
-        private readonly List<CommandButton> _adminButtons = new List<CommandButton>
+        private readonly List<CommandButton> _adminButtons = new()
         {
             new KickCommandButton(),
             new DirectCommandButton("Admin Ghost", "aghost"),
             new TeleportCommandButton(),
         };
-        private readonly List<CommandButton> _adminbusButtons = new List<CommandButton>
+        private readonly List<CommandButton> _adminbusButtons = new()
         {
             new SpawnEntitiesCommandButton(),
             new SpawnTilesCommandButton(),
             new StationEventsCommandButton(),
         };
-        private readonly List<CommandButton> _debugButtons = new List<CommandButton>
+        private readonly List<CommandButton> _debugButtons = new()
         {
             new AddAtmosCommandButton(),
             new FillGasCommandButton(),
         };
-        private readonly List<CommandButton> _roundButtons = new List<CommandButton>
+        private readonly List<CommandButton> _roundButtons = new()
         {
             new DirectCommandButton("Start Round", "startround"),
             new DirectCommandButton("End Round", "endround"),
             new DirectCommandButton("Restart Round", "restartround"),
         };
-        private readonly List<CommandButton> _serverButtons = new List<CommandButton>
+        private readonly List<CommandButton> _serverButtons = new()
         {
             new DirectCommandButton("Reboot", "restart"),
             new DirectCommandButton("Shutdown", "shutdown"),
@@ -463,7 +463,7 @@ namespace Content.Client.UserInterface.AdminMenu
             public override string RequiredCommand => "events";
             public override string? SubmitText => "Run";
 
-            private readonly CommandUIDropDown _eventsDropDown = new CommandUIDropDown
+            private readonly CommandUIDropDown _eventsDropDown = new()
             {
                 Name = "Event",
                 GetData = () =>
@@ -478,7 +478,7 @@ namespace Content.Client.UserInterface.AdminMenu
                 GetValueFromData = (obj) => ((string) obj).ToLower(),
             };
 
-            public override List<CommandUIControl> UI => new List<CommandUIControl>
+            public override List<CommandUIControl> UI => new()
             {
                 _eventsDropDown,
                 new CommandUIButton
@@ -510,19 +510,19 @@ namespace Content.Client.UserInterface.AdminMenu
             public override string Name => "Kick";
             public override string RequiredCommand => "kick";
 
-            private readonly CommandUIDropDown _playerDropDown = new CommandUIDropDown
+            private readonly CommandUIDropDown _playerDropDown = new()
             {
                 Name = "Player",
                 GetData = () => IoCManager.Resolve<IPlayerManager>().Sessions.ToList<object>(),
                 GetDisplayName = (obj) => $"{((IPlayerSession) obj).Name} ({((IPlayerSession) obj).AttachedEntity?.Name})",
                 GetValueFromData = (obj) => ((IPlayerSession) obj).Name,
             };
-            private readonly CommandUILineEdit _reason = new CommandUILineEdit
+            private readonly CommandUILineEdit _reason = new()
             {
                 Name = "Reason"
             };
 
-            public override List<CommandUIControl> UI => new List<CommandUIControl>
+            public override List<CommandUIControl> UI => new()
             {
                 _playerDropDown,
                 _reason
@@ -539,7 +539,7 @@ namespace Content.Client.UserInterface.AdminMenu
             public override string Name => "Teleport";
             public override string RequiredCommand => "tpto";
 
-            private readonly CommandUIDropDown _playerDropDown = new CommandUIDropDown
+            private readonly CommandUIDropDown _playerDropDown = new()
             {
                 Name = "Player",
                 GetData = () => IoCManager.Resolve<IPlayerManager>().Sessions.ToList<object>(),
@@ -547,7 +547,7 @@ namespace Content.Client.UserInterface.AdminMenu
                 GetValueFromData = (obj) => ((IPlayerSession) obj).Name,
             };
 
-            public override List<CommandUIControl> UI => new List<CommandUIControl>
+            public override List<CommandUIControl> UI => new()
             {
                 _playerDropDown
             };
@@ -563,7 +563,7 @@ namespace Content.Client.UserInterface.AdminMenu
             public override string Name => "Add Atmos";
             public override string RequiredCommand => "addatmos";
 
-            private readonly CommandUIDropDown _grid = new CommandUIDropDown
+            private readonly CommandUIDropDown _grid = new()
             {
                 Name = "Grid",
                 GetData = () => IoCManager.Resolve<IMapManager>().GetAllGrids().Where(g => (int) g.Index != 0).ToList<object>(),
@@ -571,7 +571,7 @@ namespace Content.Client.UserInterface.AdminMenu
                 GetValueFromData = (obj) => ((IMapGrid) obj).Index.ToString(),
             };
 
-            public override List<CommandUIControl> UI => new List<CommandUIControl>
+            public override List<CommandUIControl> UI => new()
             {
                 _grid,
             };
@@ -587,7 +587,7 @@ namespace Content.Client.UserInterface.AdminMenu
             public override string Name => "Fill Gas";
             public override string RequiredCommand => "fillgas";
 
-            private readonly CommandUIDropDown _grid = new CommandUIDropDown
+            private readonly CommandUIDropDown _grid = new()
             {
                 Name = "Grid",
                 GetData = () => IoCManager.Resolve<IMapManager>().GetAllGrids().Where(g => (int) g.Index != 0).ToList<object>(),
@@ -595,7 +595,7 @@ namespace Content.Client.UserInterface.AdminMenu
                 GetValueFromData = (obj) => ((IMapGrid) obj).Index.ToString(),
             };
 
-            private readonly CommandUIDropDown _gas = new CommandUIDropDown
+            private readonly CommandUIDropDown _gas = new()
             {
                 Name = "Gas",
                 GetData = () =>
@@ -607,12 +607,12 @@ namespace Content.Client.UserInterface.AdminMenu
                 GetValueFromData = (obj) => ((GasPrototype) obj).ID.ToString(),
             };
 
-            private readonly CommandUISpinBox _amount = new CommandUISpinBox
+            private readonly CommandUISpinBox _amount = new()
             {
                 Name = "Amount"
             };
 
-            public override List<CommandUIControl> UI => new List<CommandUIControl>
+            public override List<CommandUIControl> UI => new()
             {
                 _grid,
                 _gas,

Content.Client/UserInterface/Cargo/CargoConsoleMenu.cs

@@ -23,7 +23,7 @@ namespace Content.Client.UserInterface.Cargo
         public event Action<BaseButton.ButtonEventArgs> OnOrderApproved;
         public event Action<BaseButton.ButtonEventArgs> OnOrderCanceled;
 
-        private readonly List<string> _categoryStrings = new List<string>();
+        private readonly List<string> _categoryStrings = new();
 
         private Label _accountNameLabel { get; set; }
         private Label _pointsLabel { get; set; }

Content.Client/UserInterface/CreditsWindow.cs

@@ -20,7 +20,7 @@ namespace Content.Client.UserInterface
     {
         [Dependency] private readonly IResourceCache _resourceManager = default!;
 
-        private static readonly Dictionary<string, int> PatronTierPriority = new Dictionary<string, int>
+        private static readonly Dictionary<string, int> PatronTierPriority = new()
         {
             ["Nuclear Operative"] = 1,
             ["Syndicate Agent"] = 2,

Content.Client/UserInterface/GhostGui.cs

@@ -10,8 +10,8 @@ namespace Content.Client.UserInterface
 {
     public class GhostGui : Control
     {
-        private readonly Button _returnToBody = new Button() {Text = Loc.GetString("Return to body")};
+        private readonly Button _returnToBody = new() {Text = Loc.GetString("Return to body")};
-        private readonly Button _ghostWarp = new Button() {Text = Loc.GetString("Ghost Warp")};
+        private readonly Button _ghostWarp = new() {Text = Loc.GetString("Ghost Warp")};
         private readonly GhostComponent _owner;
 
         public GhostGui(GhostComponent owner)

Content.Client/UserInterface/HumanoidProfileEditor.cs

@@ -25,7 +25,7 @@ namespace Content.Client.UserInterface
 {
     public partial class HumanoidProfileEditor : Control
     {
-        private static readonly StyleBoxFlat HighlightedStyle = new StyleBoxFlat
+        private static readonly StyleBoxFlat HighlightedStyle = new()
         {
             BackgroundColor = new Color(47, 47, 53),
             ContentMarginTopOverride = 10,

Content.Client/UserInterface/ItemStatusPanel.cs

@@ -20,7 +20,7 @@ namespace Content.Client.UserInterface
     public class ItemStatusPanel : Control
     {
         [ViewVariables]
-        private readonly List<(IItemStatus, Control)> _activeStatusComponents = new List<(IItemStatus, Control)>();
+        private readonly List<(IItemStatus, Control)> _activeStatusComponents = new();
 
         [ViewVariables]
         private readonly Label _itemNameLabel;

Content.Client/UserInterface/LateJoinGui.cs

@@ -26,7 +26,7 @@ namespace Content.Client.UserInterface
 
         public event Action<string> SelectedId;
 
-        private readonly Dictionary<string, JobButton> _jobButtons = new Dictionary<string, JobButton>();
+        private readonly Dictionary<string, JobButton> _jobButtons = new();
 
         public LateJoinGui()
         {

Content.Client/UserInterface/LobbyCharacterPreviewPanel.cs

@@ -92,7 +92,7 @@ namespace Content.Client.UserInterface
 
         private static SpriteView MakeSpriteView(IEntity entity, Direction direction)
         {
-            return new SpriteView
+            return new()
             {
                 Sprite = entity.GetComponent<ISpriteComponent>(),
                 OverrideDirection = direction,

Content.Client/UserInterface/OptionsMenu.KeyRebind.cs

@@ -20,7 +20,7 @@ namespace Content.Client.UserInterface
         private sealed class KeyRebindControl : Control
         {
             // List of key functions that must be registered as toggle instead.
-            private static readonly HashSet<BoundKeyFunction> ToggleFunctions = new HashSet<BoundKeyFunction>
+            private static readonly HashSet<BoundKeyFunction> ToggleFunctions = new()
             {
                 EngineKeyFunctions.ShowDebugMonitors,
                 EngineKeyFunctions.HideUI,
@@ -31,9 +31,9 @@ namespace Content.Client.UserInterface
             private BindButton? _currentlyRebinding;
 
             private readonly Dictionary<BoundKeyFunction, KeyControl> _keyControls =
-                new Dictionary<BoundKeyFunction, KeyControl>();
+                new();
 
-            private readonly List<Action> _deferCommands = new List<Action>();
+            private readonly List<Action> _deferCommands = new();
 
             public KeyRebindControl()
             {

Content.Client/UserInterface/ParticleAccelerator/ParticleAcceleratorControlMenu.cs

@@ -355,7 +355,7 @@ namespace Content.Client.ParticleAccelerator
 
             PASegmentControl Segment(string name)
             {
-                return new PASegmentControl(this, resourceCache, name);
+                return new(this, resourceCache, name);
             }
         }
 

Content.Client/UserInterface/Permissions/PermissionsEui.cs

@@ -27,10 +27,10 @@ namespace Content.Client.UserInterface.Permissions
         [Dependency] private readonly IClientAdminManager _adminManager = default!;
 
         private readonly Menu _menu;
-        private readonly List<SS14Window> _subWindows = new List<SS14Window>();
+        private readonly List<SS14Window> _subWindows = new();
 
         private Dictionary<int, PermissionsEuiState.AdminRankData> _ranks =
-            new Dictionary<int, PermissionsEuiState.AdminRankData>();
+            new();
 
         public PermissionsEui()
         {
@@ -348,7 +348,7 @@ namespace Content.Client.UserInterface.Permissions
             public readonly Button? RemoveButton;
 
             public readonly Dictionary<AdminFlags, (Button inherit, Button sub, Button plus)> FlagButtons
-                = new Dictionary<AdminFlags, (Button, Button, Button)>();
+                = new();
 
             public EditAdminWindow(PermissionsEui ui, PermissionsEuiState.AdminData? data)
             {
@@ -519,7 +519,7 @@ namespace Content.Client.UserInterface.Permissions
             public readonly LineEdit NameEdit;
             public readonly Button SaveButton;
             public readonly Button? RemoveButton;
-            public readonly Dictionary<AdminFlags, CheckBox> FlagCheckBoxes = new Dictionary<AdminFlags, CheckBox>();
+            public readonly Dictionary<AdminFlags, CheckBox> FlagCheckBoxes = new();
 
             public EditAdminRankWindow(PermissionsEui ui, KeyValuePair<int, PermissionsEuiState.AdminRankData>? data)
             {

Content.IntegrationTests/DummyGameTicker.cs

@@ -75,7 +75,7 @@ namespace Content.IntegrationTests
 
         public T AddGameRule<T>() where T : GameRule, new()
         {
-            return new T();
+            return new();
         }
 
         public bool HasGameRule(Type type)
@@ -120,7 +120,7 @@ namespace Content.IntegrationTests
 
         public Dictionary<string, int> GetAvailablePositions()
         {
-            return new Dictionary<string, int>();
+            return new();
         }
     }
 }

Content.IntegrationTests/Tests/Networking/SimplePredictReconcileTest.cs

@@ -433,7 +433,7 @@ namespace Content.IntegrationTests.Tests.Networking
 
             // Queue of all the events that come in so we can test that they come in perfectly as expected.
             public List<(GameTick tick, bool firstPredict, bool old, bool @new, bool value)> EventTriggerList { get; } =
-                new List<(GameTick, bool, bool, bool, bool)>();
+                new();
 
             [Dependency] private readonly IGameTiming _gameTiming = default!;
 

Content.Server.Database/Model.cs

@@ -80,7 +80,7 @@ namespace Content.Server.Database
         [Column("preference_id")] public int Id { get; set; }
         [Column("user_id")] public Guid UserId { get; set; }
         [Column("selected_character_slot")] public int SelectedCharacterSlot { get; set; }
-        public List<Profile> Profiles { get; } = new List<Profile>();
+        public List<Profile> Profiles { get; } = new();
     }
 
     [Table("profile")]
@@ -97,8 +97,8 @@ namespace Content.Server.Database
         [Column("facial_hair_color")] public string FacialHairColor { get; set; } = null!;
         [Column("eye_color")] public string EyeColor { get; set; } = null!;
         [Column("skin_color")] public string SkinColor { get; set; } = null!;
-        public List<Job> Jobs { get; } = new List<Job>();
+        public List<Job> Jobs { get; } = new();
-        public List<Antag> Antags { get; } = new List<Antag>();
+        public List<Antag> Antags { get; } = new();
 
         [Column("pref_unavailable")] public DbPreferenceUnavailableMode PreferenceUnavailable { get; set; }
 

Content.Server/AI/Utility/AiLogic/UtilityAI.cs

@@ -31,8 +31,8 @@ namespace Content.Server.AI.Utility.AiLogic
         /// <summary>
         /// The sum of all BehaviorSets gives us what actions the AI can take
         /// </summary>
-        public Dictionary<Type, BehaviorSet> BehaviorSets { get; } = new Dictionary<Type, BehaviorSet>();
+        public Dictionary<Type, BehaviorSet> BehaviorSets { get; } = new();
-        private readonly List<IAiUtility> _availableActions = new List<IAiUtility>();
+        private readonly List<IAiUtility> _availableActions = new();
 
         /// <summary>
         /// The currently running action; most importantly are the operators.

Content.Server/AI/Utility/Considerations/ConsiderationsManager.cs

@@ -7,7 +7,7 @@ namespace Content.Server.AI.Utility.Considerations
 {
     public class ConsiderationsManager
     {
-        private readonly Dictionary<Type, Consideration> _considerations = new Dictionary<Type, Consideration>();
+        private readonly Dictionary<Type, Consideration> _considerations = new();
 
         public void Initialize()
         {

Content.Server/AI/WorldState/Blackboard.cs

@@ -15,8 +15,8 @@ namespace Content.Server.AI.WorldState
         
         // This also stops you from re-writing the same boilerplate everywhere of stuff like "Do I have OuterClothing on?"
 
-        private readonly Dictionary<Type, IAiState> _states = new Dictionary<Type, IAiState>();
+        private readonly Dictionary<Type, IAiState> _states = new();
-        private readonly List<IPlanningState> _planningStates = new List<IPlanningState>();
+        private readonly List<IPlanningState> _planningStates = new();
 
         public Blackboard(IEntity owner)
         {

Content.Server/AI/WorldState/BlackboardManager.cs

@@ -14,7 +14,7 @@ namespace Content.Server.AI.WorldState
     {
         // Cache the known types
         public IReadOnlyCollection<Type> AiStates => _aiStates;
-        private readonly List<Type> _aiStates = new List<Type>();
+        private readonly List<Type> _aiStates = new();
 
         public void Initialize()
         {

Content.Server/Administration/AdminManager.cs

@@ -39,7 +39,7 @@ namespace Content.Server.Administration
         [Dependency] private readonly IConsoleShell _consoleShell = default!;
         [Dependency] private readonly IChatManager _chat = default!;
 
-        private readonly Dictionary<IPlayerSession, AdminReg> _admins = new Dictionary<IPlayerSession, AdminReg>();
+        private readonly Dictionary<IPlayerSession, AdminReg> _admins = new();
 
         public event Action<AdminPermsChangedEventArgs>? OnPermsChanged;
 
@@ -49,8 +49,8 @@ namespace Content.Server.Administration
 
         // If a command isn't in this list it's server-console only.
         // if a command is in but the flags value is null it's available to everybody.
-        private readonly HashSet<string> _anyCommands = new HashSet<string>();
+        private readonly HashSet<string> _anyCommands = new();
-        private readonly Dictionary<string, AdminFlags[]> _adminCommands = new Dictionary<string, AdminFlags[]>();
+        private readonly Dictionary<string, AdminFlags[]> _adminCommands = new();
 
         public AdminData? GetAdminData(IPlayerSession session, bool includeDeAdmin = false)
         {

Content.Server/Administration/PermissionsEui.cs

@@ -26,7 +26,7 @@ namespace Content.Server.Administration
         private bool _isLoading;
 
         private readonly List<(Admin a, string? lastUserName)> _admins = new List<(Admin, string? lastUserName)>();
-        private readonly List<DbAdminRank> _adminRanks = new List<DbAdminRank>();
+        private readonly List<DbAdminRank> _adminRanks = new();
 
         public PermissionsEui()
         {

Content.Server/Atmos/ExcitedGroup.cs

@@ -12,7 +12,7 @@ namespace Content.Server.Atmos
         private bool _disposed = false;
 
         [ViewVariables]
-        private readonly HashSet<TileAtmosphere> _tiles = new HashSet<TileAtmosphere>();
+        private readonly HashSet<TileAtmosphere> _tiles = new();
 
         [ViewVariables]
         private GridAtmosphereComponent _gridAtmosphereComponent;

Content.Server/Atmos/GasMixture.cs

@@ -23,7 +23,7 @@ namespace Content.Server.Atmos
     {
         private readonly AtmosphereSystem _atmosphereSystem;
 
-        public static GasMixture SpaceGas => new GasMixture() {Volume = 2500f, Immutable = true, Temperature = Atmospherics.TCMB};
+        public static GasMixture SpaceGas => new() {Volume = 2500f, Immutable = true, Temperature = Atmospherics.TCMB};
 
         // This must always have a length that is a multiple of 4 for SIMD acceleration.
         [ViewVariables]
@@ -44,7 +44,7 @@ namespace Content.Server.Atmos
         public float LastShare { get; private set; } = 0;
 
         [ViewVariables]
-        public readonly Dictionary<GasReaction, float> ReactionResults = new Dictionary<GasReaction, float>()
+        public readonly Dictionary<GasReaction, float> ReactionResults = new()
         {
             // We initialize the dictionary here.
             { GasReaction.Fire, 0f }

Content.Server/Atmos/TileAtmosphere.cs

@@ -36,7 +36,7 @@ namespace Content.Server.Atmos
         private readonly GridTileLookupSystem _gridTileLookupSystem = default!;
 
 
-        private static readonly TileAtmosphereComparer Comparer = new TileAtmosphereComparer();
+        private static readonly TileAtmosphereComparer Comparer = new();
 
         [ViewVariables] private int _archivedCycle;
         [ViewVariables] private int _currentCycle;

Content.Server/Cargo/CargoOrderDataManager.cs

@@ -6,8 +6,8 @@ namespace Content.Server.Cargo
 {
     public class CargoOrderDataManager : ICargoOrderDataManager
     {
-        private readonly Dictionary<int, CargoOrderDatabase> _accounts = new Dictionary<int, CargoOrderDatabase>();
+        private readonly Dictionary<int, CargoOrderDatabase> _accounts = new();
-        private readonly List<CargoOrderDatabaseComponent> _components = new List<CargoOrderDatabaseComponent>();
+        private readonly List<CargoOrderDatabaseComponent> _components = new();
 
         public CargoOrderDataManager()
         {

Content.Server/Cargo/CargoOrderDatabase.cs

@@ -7,7 +7,7 @@ namespace Content.Server.Cargo
 {
     public class CargoOrderDatabase
     {
-        private readonly Dictionary<int, CargoOrderData> _orders = new Dictionary<int, CargoOrderData>();
+        private readonly Dictionary<int, CargoOrderData> _orders = new();
         private int _orderNumber = 0;
 
         public CargoOrderDatabase(int id)

Content.Server/Database/ServerDbSqlite.cs

@@ -23,7 +23,7 @@ namespace Content.Server.Database
         // For SQLite we use a single DB context via SQLite.
         // This doesn't allow concurrent access so that's what the semaphore is for.
         // That said, this is bloody SQLite, I don't even think EFCore bothers to truly async it.
-        private readonly SemaphoreSlim _prefsSemaphore = new SemaphoreSlim(1, 1);
+        private readonly SemaphoreSlim _prefsSemaphore = new(1, 1);
 
         private readonly Task _dbReadyTask;
         private readonly SqliteServerDbContext _prefsCtx;

Content.Server/DeviceNetwork/DeviceNetwork.cs

@@ -14,8 +14,8 @@ namespace Content.Server.GameObjects.EntitySystems.DeviceNetwork
 
         [Dependency] private readonly IRobustRandom _random = default!;
 
-        private readonly Dictionary<int, List<NetworkDevice>> _devices = new Dictionary<int, List<NetworkDevice>>();
+        private readonly Dictionary<int, List<NetworkDevice>> _devices = new();
-        private readonly Queue<NetworkPackage> _packages = new Queue<NetworkPackage>();
+        private readonly Queue<NetworkPackage> _packages = new();
 
         /// <inheritdoc/>
         public DeviceNetworkConnection Register(int netId, int frequency, OnReceiveNetMessage messageHandler, bool receiveAll = false)

Content.Server/Eui/EuiManager.cs

@@ -19,7 +19,7 @@ namespace Content.Server.Eui
         [Dependency] private readonly IServerNetManager _net = default!;
 
         private readonly Dictionary<IPlayerSession, PlayerEuiData> _playerData =
-            new Dictionary<IPlayerSession, PlayerEuiData>();
+            new();
 
         private readonly Queue<(IPlayerSession player, uint id)> _stateUpdateQueue =
             new Queue<(IPlayerSession, uint id)>();
@@ -27,7 +27,7 @@ namespace Content.Server.Eui
         private sealed class PlayerEuiData
         {
             public uint NextId = 1;
-            public readonly Dictionary<uint, BaseEui> OpenUIs = new Dictionary<uint, BaseEui>();
+            public readonly Dictionary<uint, BaseEui> OpenUIs = new();
         }
 
         void IPostInjectInit.PostInject()

Content.Server/GameObjects/Components/Access/AccessComponent.cs

@@ -17,7 +17,7 @@ namespace Content.Server.GameObjects.Components.Access
         public override string Name => "Access";
 
         [ViewVariables]
-        private readonly HashSet<string> _tags = new HashSet<string>();
+        private readonly HashSet<string> _tags = new();
 
         public ISet<string> Tags => _tags;
         public bool IsReadOnly => false;

Content.Server/GameObjects/Components/Access/AccessReaderComponent.cs

@@ -25,8 +25,8 @@ namespace Content.Server.GameObjects.Components.Access
     {
         public override string Name => "AccessReader";
 
-        private readonly List<ISet<string>> _accessLists = new List<ISet<string>>();
+        private readonly List<ISet<string>> _accessLists = new();
-        private readonly HashSet<string> _denyTags = new HashSet<string>();
+        private readonly HashSet<string> _denyTags = new();
 
         /// <summary>
         ///     List of access lists to check allowed against. For an access check to pass

Content.Server/GameObjects/Components/Arcade/BlockGameArcadeComponent.cs

@@ -39,7 +39,7 @@ namespace Content.Server.GameObjects.Components.Arcade
         private BlockGame? _game;
 
         private IPlayerSession? _player;
-        private readonly List<IPlayerSession> _spectators = new List<IPlayerSession>();
+        private readonly List<IPlayerSession> _spectators = new();
 
         public void Activate(ActivateEventArgs eventArgs)
         {
@@ -166,7 +166,7 @@ namespace Content.Server.GameObjects.Components.Arcade
 
             private readonly BlockGameArcadeComponent _component;
 
-            private readonly List<BlockGameBlock> _field = new List<BlockGameBlock>();
+            private readonly List<BlockGameBlock> _field = new();
 
             private BlockGamePiece _currentPiece;
 
@@ -733,7 +733,7 @@ namespace Content.Server.GameObjects.Components.Arcade
 
             private readonly BlockGamePieceType[] _allBlockGamePieces;
 
-            private List<BlockGamePieceType> _blockGamePiecesBuffer = new List<BlockGamePieceType>();
+            private List<BlockGamePieceType> _blockGamePiecesBuffer = new();
 
             private BlockGamePiece GetRandomBlockGamePiece(IRobustRandom random)
             {

Content.Server/GameObjects/Components/Arcade/SpaceVillainArcadeComponent.cs

@@ -429,7 +429,7 @@ namespace Content.Server.GameObjects.Components.Arcade
             /// <returns>A Metadata-message.</returns>
             public SpaceVillainArcadeMetaDataUpdateMessage GenerateMetaDataMessage()
             {
-                return new SpaceVillainArcadeMetaDataUpdateMessage(_playerHp, _playerMp, _enemyHp, _enemyMp, _latestPlayerActionMessage, _latestEnemyActionMessage, Name, _enemyName, !_running);
+                return new(_playerHp, _playerMp, _enemyHp, _enemyMp, _latestPlayerActionMessage, _latestEnemyActionMessage, Name, _enemyName, !_running);
             }
 
             /// <summary>
@@ -439,7 +439,7 @@ namespace Content.Server.GameObjects.Components.Arcade
             public SpaceVillainArcadeDataUpdateMessage
                 GenerateUpdateMessage()
             {
-                return new SpaceVillainArcadeDataUpdateMessage(_playerHp, _playerMp, _enemyHp, _enemyMp, _latestPlayerActionMessage,
+                return new(_playerHp, _playerMp, _enemyHp, _enemyMp, _latestPlayerActionMessage,
                     _latestEnemyActionMessage);
             }
         }

Content.Server/GameObjects/Components/Atmos/FlammableComponent.cs

@@ -32,7 +32,7 @@ namespace Content.Server.GameObjects.Components.Atmos
     public class FlammableComponent : SharedFlammableComponent, ICollideBehavior, IFireAct, IReagentReaction
     {
         private bool _resisting = false;
-        private readonly List<EntityUid> _collided = new List<EntityUid>();
+        private readonly List<EntityUid> _collided = new();
 
         [ViewVariables(VVAccess.ReadWrite)]
         public bool OnFire { get; private set; }

Content.Server/GameObjects/Components/Atmos/GridAtmosphereComponent.cs

@@ -63,7 +63,7 @@ namespace Content.Server.GameObjects.Components.Atmos
 
         private bool _paused = false;
         private float _timer = 0f;
-        private Stopwatch _stopwatch = new Stopwatch();
+        private Stopwatch _stopwatch = new();
         private GridId _gridId;
 
         [ComponentDependency] private IMapGridComponent? _mapGridComponent = default!;
@@ -75,7 +75,7 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _tileEqualizeLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<ExcitedGroup> _excitedGroups = new HashSet<ExcitedGroup>(1000);
+        private readonly HashSet<ExcitedGroup> _excitedGroups = new(1000);
 
         [ViewVariables]
         private int ExcitedGroupCount => _excitedGroups.Count;
@@ -84,10 +84,10 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _excitedGroupLastProcess;
 
         [ViewVariables]
-        protected readonly Dictionary<Vector2i, TileAtmosphere> Tiles = new Dictionary<Vector2i, TileAtmosphere>(1000);
+        protected readonly Dictionary<Vector2i, TileAtmosphere> Tiles = new(1000);
 
         [ViewVariables]
-        private readonly HashSet<TileAtmosphere> _activeTiles = new HashSet<TileAtmosphere>(1000);
+        private readonly HashSet<TileAtmosphere> _activeTiles = new(1000);
 
         [ViewVariables]
         private int ActiveTilesCount => _activeTiles.Count;
@@ -96,7 +96,7 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _activeTilesLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<TileAtmosphere> _hotspotTiles = new HashSet<TileAtmosphere>(1000);
+        private readonly HashSet<TileAtmosphere> _hotspotTiles = new(1000);
 
         [ViewVariables]
         private int HotspotTilesCount => _hotspotTiles.Count;
@@ -105,7 +105,7 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _hotspotsLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<TileAtmosphere> _superconductivityTiles = new HashSet<TileAtmosphere>(1000);
+        private readonly HashSet<TileAtmosphere> _superconductivityTiles = new(1000);
 
         [ViewVariables]
         private int SuperconductivityTilesCount => _superconductivityTiles.Count;
@@ -114,13 +114,13 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _superconductivityLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<Vector2i> _invalidatedCoords = new HashSet<Vector2i>(1000);
+        private readonly HashSet<Vector2i> _invalidatedCoords = new(1000);
 
         [ViewVariables]
         private int InvalidatedCoordsCount => _invalidatedCoords.Count;
 
         [ViewVariables]
-        private HashSet<TileAtmosphere> _highPressureDelta = new HashSet<TileAtmosphere>(1000);
+        private HashSet<TileAtmosphere> _highPressureDelta = new(1000);
 
         [ViewVariables]
         private int HighPressureDeltaCount => _highPressureDelta.Count;
@@ -129,28 +129,28 @@ namespace Content.Server.GameObjects.Components.Atmos
         private double _highPressureDeltaLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<IPipeNet> _pipeNets = new HashSet<IPipeNet>();
+        private readonly HashSet<IPipeNet> _pipeNets = new();
 
         [ViewVariables]
         private double _pipeNetLastProcess;
 
         [ViewVariables]
-        private readonly HashSet<PipeNetDeviceComponent> _pipeNetDevices = new HashSet<PipeNetDeviceComponent>();
+        private readonly HashSet<PipeNetDeviceComponent> _pipeNetDevices = new();
 
         [ViewVariables]
         private double _pipeNetDevicesLastProcess;
 
         [ViewVariables]
-        private Queue<TileAtmosphere> _currentRunTiles = new Queue<TileAtmosphere>();
+        private Queue<TileAtmosphere> _currentRunTiles = new();
 
         [ViewVariables]
-        private Queue<ExcitedGroup> _currentRunExcitedGroups = new Queue<ExcitedGroup>();
+        private Queue<ExcitedGroup> _currentRunExcitedGroups = new();
 
         [ViewVariables]
-        private Queue<IPipeNet> _currentRunPipeNet = new Queue<IPipeNet>();
+        private Queue<IPipeNet> _currentRunPipeNet = new();
 
         [ViewVariables]
-        private Queue<PipeNetDeviceComponent> _currentRunPipeNetDevice = new Queue<PipeNetDeviceComponent>();
+        private Queue<PipeNetDeviceComponent> _currentRunPipeNetDevice = new();
 
         [ViewVariables]
         private ProcessState _state = ProcessState.TileEqualize;

Content.Server/GameObjects/Components/Atmos/SpaceGridAtmosphereComponent.cs

@@ -20,7 +20,7 @@ namespace Content.Server.GameObjects.Components.Atmos
 
         public override TileAtmosphere? GetTile(Vector2i indices, bool createSpace = true)
         {
-            return new TileAtmosphere(this, GridId.Invalid, indices, new GasMixture(2500, AtmosphereSystem), true);
+            return new(this, GridId.Invalid, indices, new GasMixture(2500, AtmosphereSystem), true);
         }
 
         protected override IEnumerable<AirtightComponent> GetObstructingComponents(Vector2i indices)

Content.Server/GameObjects/Components/Body/Behavior/StomachBehavior.cs

@@ -103,7 +103,7 @@ namespace Content.Server.GameObjects.Components.Body.Behavior
         ///     Used to track how long each reagent has been in the stomach
         /// </summary>
         [ViewVariables]
-        private readonly List<ReagentDelta> _reagentDeltas = new List<ReagentDelta>();
+        private readonly List<ReagentDelta> _reagentDeltas = new();
 
         public override void ExposeData(ObjectSerializer serializer)
         {

Content.Server/GameObjects/Components/Body/BodyScannerComponent.cs

@@ -62,7 +62,7 @@ namespace Content.Server.GameObjects.Components.Body
         /// </summary>
         private BodyScannerUIState InterfaceState(IBody body)
         {
-            return new BodyScannerUIState(body.Owner.Uid);
+            return new(body.Owner.Uid);
         }
     }
 }