using CPF.Mac.ObjCRuntime;
using System;
using System.ComponentModel;

namespace CPF.Mac.Foundation
{
	[Register("NSMetadataQuery", true)]
	public class NSMetadataQuery : NSObject
	{
		[Register]
		private sealed class _NSMetadataQueryDelegate : NSMetadataQueryDelegate
		{
			internal NSMetadataQueryObject replacementObjectForResultObject;

			internal NSMetadataQueryValue replacementValueForAttributevalue;

			[Preserve(Conditional = true)]
			public override NSObject ReplacementObjectForResultObject(NSMetadataQuery query, NSMetadataItem result)
			{
				return replacementObjectForResultObject?.Invoke(query, result);
			}

			[Preserve(Conditional = true)]
			public override NSObject ReplacementValueForAttributevalue(NSMetadataQuery query, string attributeName, NSObject value)
			{
				return replacementValueForAttributevalue?.Invoke(query, attributeName, value);
			}
		}

		public static class Notifications
		{
			public static NSObject ObserveDidStartGathering(EventHandler<NSNotificationEventArgs> handler)
			{
				return NSNotificationCenter.DefaultCenter.AddObserver(DidStartGatheringNotification, delegate(NSNotification notification)
				{
					handler(null, new NSNotificationEventArgs(notification));
				});
			}

			public static NSObject ObserveGatheringProgress(EventHandler<NSNotificationEventArgs> handler)
			{
				return NSNotificationCenter.DefaultCenter.AddObserver(GatheringProgressNotification, delegate(NSNotification notification)
				{
					handler(null, new NSNotificationEventArgs(notification));
				});
			}

			public static NSObject ObserveDidFinishGathering(EventHandler<NSNotificationEventArgs> handler)
			{
				return NSNotificationCenter.DefaultCenter.AddObserver(DidFinishGatheringNotification, delegate(NSNotification notification)
				{
					handler(null, new NSNotificationEventArgs(notification));
				});
			}

			public static NSObject ObserveDidUpdate(EventHandler<NSNotificationEventArgs> handler)
			{
				return NSNotificationCenter.DefaultCenter.AddObserver(DidUpdateNotification, delegate(NSNotification notification)
				{
					handler(null, new NSNotificationEventArgs(notification));
				});
			}
		}

		private static readonly IntPtr selIsStartedHandle = Selector.GetHandle("isStarted");

		private static readonly IntPtr selIsGatheringHandle = Selector.GetHandle("isGathering");

		private static readonly IntPtr selIsStoppedHandle = Selector.GetHandle("isStopped");

		private static readonly IntPtr selResultCountHandle = Selector.GetHandle("resultCount");

		private static readonly IntPtr selResultsHandle = Selector.GetHandle("results");

		private static readonly IntPtr selValueListsHandle = Selector.GetHandle("valueLists");

		private static readonly IntPtr selGroupedResultsHandle = Selector.GetHandle("groupedResults");

		private static readonly IntPtr selDelegateHandle = Selector.GetHandle("delegate");

		private static readonly IntPtr selSetDelegate_Handle = Selector.GetHandle("setDelegate:");

		private static readonly IntPtr selPredicateHandle = Selector.GetHandle("predicate");

		private static readonly IntPtr selSetPredicate_Handle = Selector.GetHandle("setPredicate:");

		private static readonly IntPtr selSortDescriptorsHandle = Selector.GetHandle("sortDescriptors");

		private static readonly IntPtr selSetSortDescriptors_Handle = Selector.GetHandle("setSortDescriptors:");

		private static readonly IntPtr selValueListAttributesHandle = Selector.GetHandle("valueListAttributes");

		private static readonly IntPtr selSetValueListAttributes_Handle = Selector.GetHandle("setValueListAttributes:");

		private static readonly IntPtr selGroupingAttributesHandle = Selector.GetHandle("groupingAttributes");

		private static readonly IntPtr selSetGroupingAttributes_Handle = Selector.GetHandle("setGroupingAttributes:");

		private static readonly IntPtr selNotificationBatchingIntervalHandle = Selector.GetHandle("notificationBatchingInterval");

		private static readonly IntPtr selSetNotificationBatchingInterval_Handle = Selector.GetHandle("setNotificationBatchingInterval:");

		private static readonly IntPtr selSearchScopesHandle = Selector.GetHandle("searchScopes");

		private static readonly IntPtr selSetSearchScopes_Handle = Selector.GetHandle("setSearchScopes:");

		private static readonly IntPtr selStartQueryHandle = Selector.GetHandle("startQuery");

		private static readonly IntPtr selStopQueryHandle = Selector.GetHandle("stopQuery");

		private static readonly IntPtr selDisableUpdatesHandle = Selector.GetHandle("disableUpdates");

		private static readonly IntPtr selEnableUpdatesHandle = Selector.GetHandle("enableUpdates");

		private static readonly IntPtr selResultAtIndex_Handle = Selector.GetHandle("resultAtIndex:");

		private static readonly IntPtr selIndexOfResult_Handle = Selector.GetHandle("indexOfResult:");

		private static readonly IntPtr selValueOfAttributeForResultAtIndex_Handle = Selector.GetHandle("valueOfAttribute:forResultAtIndex:");

		private static readonly IntPtr class_ptr = Class.GetHandle("NSMetadataQuery");

		private object __mt_Results_var;

		private object __mt_ValueLists_var;

		private object __mt_GroupedResults_var;

		private object __mt_WeakDelegate_var;

		private object __mt_Predicate_var;

		private object __mt_SortDescriptors_var;

		private object __mt_ValueListAttributes_var;

		private object __mt_GroupingAttributes_var;

		private object __mt_SearchScopes_var;

		private static NSString _DidStartGatheringNotification;

		private static NSString _GatheringProgressNotification;

		private static NSString _DidFinishGatheringNotification;

		private static NSString _DidUpdateNotification;

		private static NSString _ResultContentRelevanceAttribute;

		private static NSString _UserHomeScope;

		private static NSString _LocalComputerScope;

		private static NSString _QueryNetworkScope;

		private static NSString _QueryLocalDocumentsScope;

		private static NSString _QueryUbiquitousDocumentsScope;

		private static NSString _QueryUbiquitousDataScope;

		private static NSString _ItemFSNameKey;

		private static NSString _ItemDisplayNameKey;

		private static NSString _ItemURLKey;

		private static NSString _ItemPathKey;

		private static NSString _ItemFSSizeKey;

		private static NSString _ItemFSCreationDateKey;

		private static NSString _ItemFSContentChangeDateKey;

		private static NSString _ItemIsUbiquitousKey;

		private static NSString _UbiquitousItemHasUnresolvedConflictsKey;

		private static NSString _UbiquitousItemIsDownloadedKey;

		private static NSString _UbiquitousItemIsDownloadingKey;

		private static NSString _UbiquitousItemIsUploadedKey;

		private static NSString _UbiquitousItemIsUploadingKey;

		private static NSString _UbiquitousItemPercentDownloadedKey;

		private static NSString _UbiquitousItemPercentUploadedKey;

		public override IntPtr ClassHandle => class_ptr;

		public virtual bool IsStarted
		{
			[Export("isStarted")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.bool_objc_msgSend(base.Handle, selIsStartedHandle);
				}
				return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selIsStartedHandle);
			}
		}

		public virtual bool IsGathering
		{
			[Export("isGathering")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.bool_objc_msgSend(base.Handle, selIsGatheringHandle);
				}
				return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selIsGatheringHandle);
			}
		}

		public virtual bool IsStopped
		{
			[Export("isStopped")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.bool_objc_msgSend(base.Handle, selIsStoppedHandle);
				}
				return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selIsStoppedHandle);
			}
		}

		public virtual ulong ResultCount
		{
			[Export("resultCount")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.UInt64_objc_msgSend(base.Handle, selResultCountHandle);
				}
				return Messaging.UInt64_objc_msgSendSuper(base.SuperHandle, selResultCountHandle);
			}
		}

		public virtual NSMetadataItem[] Results
		{
			[Export("results")]
			get
			{
				return (NSMetadataItem[])(__mt_Results_var = ((!IsDirectBinding) ? NSArray.ArrayFromHandle<NSMetadataItem>(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selResultsHandle)) : NSArray.ArrayFromHandle<NSMetadataItem>(Messaging.IntPtr_objc_msgSend(base.Handle, selResultsHandle))));
			}
		}

		public virtual NSDictionary ValueLists
		{
			[Export("valueLists")]
			get
			{
				return (NSDictionary)(__mt_ValueLists_var = ((!IsDirectBinding) ? ((NSDictionary)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selValueListsHandle))) : ((NSDictionary)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selValueListsHandle)))));
			}
		}

		public virtual NSObject[] GroupedResults
		{
			[Export("groupedResults")]
			get
			{
				return (NSObject[])(__mt_GroupedResults_var = ((!IsDirectBinding) ? NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selGroupedResultsHandle)) : NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSend(base.Handle, selGroupedResultsHandle))));
			}
		}

		public virtual NSMetadataQueryDelegate WeakDelegate
		{
			[Export("delegate", ArgumentSemantic.Assign)]
			get
			{
				return (NSMetadataQueryDelegate)(__mt_WeakDelegate_var = ((!IsDirectBinding) ? ((NSMetadataQueryDelegate)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selDelegateHandle))) : ((NSMetadataQueryDelegate)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selDelegateHandle)))));
			}
			[Export("setDelegate:", ArgumentSemantic.Assign)]
			set
			{
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetDelegate_Handle, value?.Handle ?? IntPtr.Zero);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetDelegate_Handle, value?.Handle ?? IntPtr.Zero);
				}
				__mt_WeakDelegate_var = value;
			}
		}

		public NSMetadataQueryDelegate Delegate
		{
			get
			{
				return WeakDelegate;
			}
			set
			{
				WeakDelegate = value;
			}
		}

		public virtual NSPredicate Predicate
		{
			[Export("predicate")]
			get
			{
				return (NSPredicate)(__mt_Predicate_var = ((!IsDirectBinding) ? ((NSPredicate)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selPredicateHandle))) : ((NSPredicate)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selPredicateHandle)))));
			}
			[Export("setPredicate:")]
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetPredicate_Handle, value.Handle);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetPredicate_Handle, value.Handle);
				}
				__mt_Predicate_var = value;
			}
		}

		public virtual NSSortDescriptor[] SortDescriptors
		{
			[Export("sortDescriptors")]
			get
			{
				return (NSSortDescriptor[])(__mt_SortDescriptors_var = ((!IsDirectBinding) ? NSArray.ArrayFromHandle<NSSortDescriptor>(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selSortDescriptorsHandle)) : NSArray.ArrayFromHandle<NSSortDescriptor>(Messaging.IntPtr_objc_msgSend(base.Handle, selSortDescriptorsHandle))));
			}
			[Export("setSortDescriptors:")]
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				NSArray nSArray = NSArray.FromNSObjects(value);
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetSortDescriptors_Handle, nSArray.Handle);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetSortDescriptors_Handle, nSArray.Handle);
				}
				nSArray.Dispose();
				__mt_SortDescriptors_var = value;
			}
		}

		public virtual NSObject[] ValueListAttributes
		{
			[Export("valueListAttributes")]
			get
			{
				return (NSObject[])(__mt_ValueListAttributes_var = ((!IsDirectBinding) ? NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selValueListAttributesHandle)) : NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSend(base.Handle, selValueListAttributesHandle))));
			}
			[Export("setValueListAttributes:")]
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				NSArray nSArray = NSArray.FromNSObjects(value);
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetValueListAttributes_Handle, nSArray.Handle);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetValueListAttributes_Handle, nSArray.Handle);
				}
				nSArray.Dispose();
				__mt_ValueListAttributes_var = value;
			}
		}

		public virtual NSArray GroupingAttributes
		{
			[Export("groupingAttributes")]
			get
			{
				return (NSArray)(__mt_GroupingAttributes_var = ((!IsDirectBinding) ? ((NSArray)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selGroupingAttributesHandle))) : ((NSArray)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selGroupingAttributesHandle)))));
			}
			[Export("setGroupingAttributes:")]
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetGroupingAttributes_Handle, value.Handle);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetGroupingAttributes_Handle, value.Handle);
				}
				__mt_GroupingAttributes_var = value;
			}
		}

		public virtual double NotificationBatchingInterval
		{
			[Export("notificationBatchingInterval")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.Double_objc_msgSend(base.Handle, selNotificationBatchingIntervalHandle);
				}
				return Messaging.Double_objc_msgSendSuper(base.SuperHandle, selNotificationBatchingIntervalHandle);
			}
			[Export("setNotificationBatchingInterval:")]
			set
			{
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_Double(base.Handle, selSetNotificationBatchingInterval_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_Double(base.SuperHandle, selSetNotificationBatchingInterval_Handle, value);
				}
			}
		}

		public virtual NSObject[] SearchScopes
		{
			[Export("searchScopes")]
			get
			{
				return (NSObject[])(__mt_SearchScopes_var = ((!IsDirectBinding) ? NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selSearchScopesHandle)) : NSArray.ArrayFromHandle<NSObject>(Messaging.IntPtr_objc_msgSend(base.Handle, selSearchScopesHandle))));
			}
			[Export("setSearchScopes:")]
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				NSArray nSArray = NSArray.FromNSObjects(value);
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetSearchScopes_Handle, nSArray.Handle);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetSearchScopes_Handle, nSArray.Handle);
				}
				nSArray.Dispose();
				__mt_SearchScopes_var = value;
			}
		}

		[Field("NSMetadataQueryDidStartGatheringNotification", "Foundation")]
		public static NSString DidStartGatheringNotification
		{
			get
			{
				if (_DidStartGatheringNotification == null)
				{
					_DidStartGatheringNotification = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryDidStartGatheringNotification");
				}
				return _DidStartGatheringNotification;
			}
		}

		[Field("NSMetadataQueryGatheringProgressNotification", "Foundation")]
		public static NSString GatheringProgressNotification
		{
			get
			{
				if (_GatheringProgressNotification == null)
				{
					_GatheringProgressNotification = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryGatheringProgressNotification");
				}
				return _GatheringProgressNotification;
			}
		}

		[Field("NSMetadataQueryDidFinishGatheringNotification", "Foundation")]
		public static NSString DidFinishGatheringNotification
		{
			get
			{
				if (_DidFinishGatheringNotification == null)
				{
					_DidFinishGatheringNotification = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryDidFinishGatheringNotification");
				}
				return _DidFinishGatheringNotification;
			}
		}

		[Field("NSMetadataQueryDidUpdateNotification", "Foundation")]
		public static NSString DidUpdateNotification
		{
			get
			{
				if (_DidUpdateNotification == null)
				{
					_DidUpdateNotification = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryDidUpdateNotification");
				}
				return _DidUpdateNotification;
			}
		}

		[Field("NSMetadataQueryResultContentRelevanceAttribute", "Foundation")]
		public static NSString ResultContentRelevanceAttribute
		{
			get
			{
				if (_ResultContentRelevanceAttribute == null)
				{
					_ResultContentRelevanceAttribute = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryResultContentRelevanceAttribute");
				}
				return _ResultContentRelevanceAttribute;
			}
		}

		[Field("NSMetadataQueryUserHomeScope", "Foundation")]
		public static NSString UserHomeScope
		{
			get
			{
				if (_UserHomeScope == null)
				{
					_UserHomeScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryUserHomeScope");
				}
				return _UserHomeScope;
			}
		}

		[Field("NSMetadataQueryLocalComputerScope", "Foundation")]
		public static NSString LocalComputerScope
		{
			get
			{
				if (_LocalComputerScope == null)
				{
					_LocalComputerScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryLocalComputerScope");
				}
				return _LocalComputerScope;
			}
		}

		[Field("NSMetadataQueryNetworkScope", "Foundation")]
		public static NSString QueryNetworkScope
		{
			get
			{
				if (_QueryNetworkScope == null)
				{
					_QueryNetworkScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryNetworkScope");
				}
				return _QueryNetworkScope;
			}
		}

		[Field("NSMetadataQueryLocalDocumentsScope", "Foundation")]
		public static NSString QueryLocalDocumentsScope
		{
			get
			{
				if (_QueryLocalDocumentsScope == null)
				{
					_QueryLocalDocumentsScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryLocalDocumentsScope");
				}
				return _QueryLocalDocumentsScope;
			}
		}

		[Field("NSMetadataQueryUbiquitousDocumentsScope", "Foundation")]
		public static NSString QueryUbiquitousDocumentsScope
		{
			get
			{
				if (_QueryUbiquitousDocumentsScope == null)
				{
					_QueryUbiquitousDocumentsScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryUbiquitousDocumentsScope");
				}
				return _QueryUbiquitousDocumentsScope;
			}
		}

		[Field("NSMetadataQueryUbiquitousDataScope", "Foundation")]
		public static NSString QueryUbiquitousDataScope
		{
			get
			{
				if (_QueryUbiquitousDataScope == null)
				{
					_QueryUbiquitousDataScope = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataQueryUbiquitousDataScope");
				}
				return _QueryUbiquitousDataScope;
			}
		}

		[Field("NSMetadataItemFSNameKey", "Foundation")]
		public static NSString ItemFSNameKey
		{
			get
			{
				if (_ItemFSNameKey == null)
				{
					_ItemFSNameKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemFSNameKey");
				}
				return _ItemFSNameKey;
			}
		}

		[Field("NSMetadataItemDisplayNameKey", "Foundation")]
		public static NSString ItemDisplayNameKey
		{
			get
			{
				if (_ItemDisplayNameKey == null)
				{
					_ItemDisplayNameKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemDisplayNameKey");
				}
				return _ItemDisplayNameKey;
			}
		}

		[Field("NSMetadataItemURLKey", "Foundation")]
		public static NSString ItemURLKey
		{
			get
			{
				if (_ItemURLKey == null)
				{
					_ItemURLKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemURLKey");
				}
				return _ItemURLKey;
			}
		}

		[Field("NSMetadataItemPathKey", "Foundation")]
		public static NSString ItemPathKey
		{
			get
			{
				if (_ItemPathKey == null)
				{
					_ItemPathKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemPathKey");
				}
				return _ItemPathKey;
			}
		}

		[Field("NSMetadataItemFSSizeKey", "Foundation")]
		public static NSString ItemFSSizeKey
		{
			get
			{
				if (_ItemFSSizeKey == null)
				{
					_ItemFSSizeKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemFSSizeKey");
				}
				return _ItemFSSizeKey;
			}
		}

		[Field("NSMetadataItemFSCreationDateKey", "Foundation")]
		public static NSString ItemFSCreationDateKey
		{
			get
			{
				if (_ItemFSCreationDateKey == null)
				{
					_ItemFSCreationDateKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemFSCreationDateKey");
				}
				return _ItemFSCreationDateKey;
			}
		}

		[Field("NSMetadataItemFSContentChangeDateKey", "Foundation")]
		public static NSString ItemFSContentChangeDateKey
		{
			get
			{
				if (_ItemFSContentChangeDateKey == null)
				{
					_ItemFSContentChangeDateKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemFSContentChangeDateKey");
				}
				return _ItemFSContentChangeDateKey;
			}
		}

		[Field("NSMetadataItemIsUbiquitousKey", "Foundation")]
		public static NSString ItemIsUbiquitousKey
		{
			get
			{
				if (_ItemIsUbiquitousKey == null)
				{
					_ItemIsUbiquitousKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataItemIsUbiquitousKey");
				}
				return _ItemIsUbiquitousKey;
			}
		}

		[Field("NSMetadataUbiquitousItemHasUnresolvedConflictsKey", "Foundation")]
		public static NSString UbiquitousItemHasUnresolvedConflictsKey
		{
			get
			{
				if (_UbiquitousItemHasUnresolvedConflictsKey == null)
				{
					_UbiquitousItemHasUnresolvedConflictsKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemHasUnresolvedConflictsKey");
				}
				return _UbiquitousItemHasUnresolvedConflictsKey;
			}
		}

		[Field("NSMetadataUbiquitousItemIsDownloadedKey", "Foundation")]
		public static NSString UbiquitousItemIsDownloadedKey
		{
			get
			{
				if (_UbiquitousItemIsDownloadedKey == null)
				{
					_UbiquitousItemIsDownloadedKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemIsDownloadedKey");
				}
				return _UbiquitousItemIsDownloadedKey;
			}
		}

		[Field("NSMetadataUbiquitousItemIsDownloadingKey", "Foundation")]
		public static NSString UbiquitousItemIsDownloadingKey
		{
			get
			{
				if (_UbiquitousItemIsDownloadingKey == null)
				{
					_UbiquitousItemIsDownloadingKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemIsDownloadingKey");
				}
				return _UbiquitousItemIsDownloadingKey;
			}
		}

		[Field("NSMetadataUbiquitousItemIsUploadedKey", "Foundation")]
		public static NSString UbiquitousItemIsUploadedKey
		{
			get
			{
				if (_UbiquitousItemIsUploadedKey == null)
				{
					_UbiquitousItemIsUploadedKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemIsUploadedKey");
				}
				return _UbiquitousItemIsUploadedKey;
			}
		}

		[Field("NSMetadataUbiquitousItemIsUploadingKey", "Foundation")]
		public static NSString UbiquitousItemIsUploadingKey
		{
			get
			{
				if (_UbiquitousItemIsUploadingKey == null)
				{
					_UbiquitousItemIsUploadingKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemIsUploadingKey");
				}
				return _UbiquitousItemIsUploadingKey;
			}
		}

		[Field("NSMetadataUbiquitousItemPercentDownloadedKey", "Foundation")]
		public static NSString UbiquitousItemPercentDownloadedKey
		{
			get
			{
				if (_UbiquitousItemPercentDownloadedKey == null)
				{
					_UbiquitousItemPercentDownloadedKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemPercentDownloadedKey");
				}
				return _UbiquitousItemPercentDownloadedKey;
			}
		}

		[Field("NSMetadataUbiquitousItemPercentUploadedKey", "Foundation")]
		public static NSString UbiquitousItemPercentUploadedKey
		{
			get
			{
				if (_UbiquitousItemPercentUploadedKey == null)
				{
					_UbiquitousItemPercentUploadedKey = Dlfcn.GetStringConstant(Libraries.Foundation.Handle, "NSMetadataUbiquitousItemPercentUploadedKey");
				}
				return _UbiquitousItemPercentUploadedKey;
			}
		}

		public NSMetadataQueryObject ReplacementObjectForResultObject
		{
			get
			{
				return EnsureNSMetadataQueryDelegate().replacementObjectForResultObject;
			}
			set
			{
				EnsureNSMetadataQueryDelegate().replacementObjectForResultObject = value;
			}
		}

		public NSMetadataQueryValue ReplacementValueForAttributevalue
		{
			get
			{
				return EnsureNSMetadataQueryDelegate().replacementValueForAttributevalue;
			}
			set
			{
				EnsureNSMetadataQueryDelegate().replacementValueForAttributevalue = value;
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public NSMetadataQuery()
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend(base.Handle, Selector.Init);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, Selector.Init);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("initWithCoder:")]
		public NSMetadataQuery(NSCoder coder)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, Selector.InitWithCoder, coder.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, Selector.InitWithCoder, coder.Handle);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSMetadataQuery(NSObjectFlag t)
			: base(t)
		{
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSMetadataQuery(IntPtr handle)
			: base(handle)
		{
		}

		[Export("startQuery")]
		public virtual bool StartQuery()
		{
			if (IsDirectBinding)
			{
				return Messaging.bool_objc_msgSend(base.Handle, selStartQueryHandle);
			}
			return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selStartQueryHandle);
		}

		[Export("stopQuery")]
		public virtual void StopQuery()
		{
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend(base.Handle, selStopQueryHandle);
			}
			else
			{
				Messaging.void_objc_msgSendSuper(base.SuperHandle, selStopQueryHandle);
			}
		}

		[Export("disableUpdates")]
		public virtual void DisableUpdates()
		{
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend(base.Handle, selDisableUpdatesHandle);
			}
			else
			{
				Messaging.void_objc_msgSendSuper(base.SuperHandle, selDisableUpdatesHandle);
			}
		}

		[Export("enableUpdates")]
		public virtual void EnableUpdates()
		{
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend(base.Handle, selEnableUpdatesHandle);
			}
			else
			{
				Messaging.void_objc_msgSendSuper(base.SuperHandle, selEnableUpdatesHandle);
			}
		}

		[Export("resultAtIndex:")]
		public virtual NSObject ResultAtIndex(ulong idx)
		{
			if (IsDirectBinding)
			{
				return Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_UInt64(base.Handle, selResultAtIndex_Handle, idx));
			}
			return Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper_UInt64(base.SuperHandle, selResultAtIndex_Handle, idx));
		}

		[Export("indexOfResult:")]
		public virtual ulong IndexOfResult(NSObject result)
		{
			if (result == null)
			{
				throw new ArgumentNullException("result");
			}
			if (IsDirectBinding)
			{
				return Messaging.UInt64_objc_msgSend_IntPtr(base.Handle, selIndexOfResult_Handle, result.Handle);
			}
			return Messaging.UInt64_objc_msgSendSuper_IntPtr(base.SuperHandle, selIndexOfResult_Handle, result.Handle);
		}

		[Export("valueOfAttribute:forResultAtIndex:")]
		public virtual NSObject ValueOfAttribute(string attribyteName, ulong atIndex)
		{
			if (attribyteName == null)
			{
				throw new ArgumentNullException("attribyteName");
			}
			IntPtr intPtr = NSString.CreateNative(attribyteName);
			NSObject result = (!IsDirectBinding) ? Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper_IntPtr_UInt64(base.SuperHandle, selValueOfAttributeForResultAtIndex_Handle, intPtr, atIndex)) : Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr_UInt64(base.Handle, selValueOfAttributeForResultAtIndex_Handle, intPtr, atIndex));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		private _NSMetadataQueryDelegate EnsureNSMetadataQueryDelegate()
		{
			NSMetadataQueryDelegate nSMetadataQueryDelegate = Delegate;
			if (nSMetadataQueryDelegate == null || !(nSMetadataQueryDelegate is _NSMetadataQueryDelegate))
			{
				nSMetadataQueryDelegate = (Delegate = new _NSMetadataQueryDelegate());
			}
			return (_NSMetadataQueryDelegate)nSMetadataQueryDelegate;
		}

		protected override void Dispose(bool disposing)
		{
			base.Dispose(disposing);
			if (base.Handle == IntPtr.Zero)
			{
				__mt_Results_var = null;
				__mt_ValueLists_var = null;
				__mt_GroupedResults_var = null;
				__mt_WeakDelegate_var = null;
				__mt_Predicate_var = null;
				__mt_SortDescriptors_var = null;
				__mt_ValueListAttributes_var = null;
				__mt_GroupingAttributes_var = null;
				__mt_SearchScopes_var = null;
			}
		}
	}
}