/*
 * Copyright (C) 2014-2020 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#if TARGET_OS_IPHONE
#if __has_include(<UIKit/_UIFindInteraction.h>)
#import <UIKit/_UIFindInteraction.h>
#endif
#if __has_include(<UIKit/_UITextSearching.h>)
#import <UIKit/_UITextSearching.h>
#endif
#endif

#import <WebKit/WKDataDetectorTypes.h>
#import <WebKit/WKWebView.h>
#import <WebKit/_WKActivatedElementInfo.h>
#import <WebKit/_WKAttachment.h>
#import <WebKit/_WKFindOptions.h>
#import <WebKit/_WKLayoutMode.h>
#import <WebKit/_WKOverlayScrollbarStyle.h>
#import <WebKit/_WKRenderingProgressEvents.h>

typedef NS_ENUM(NSInteger, _WKPaginationMode) {
    _WKPaginationModeUnpaginated,
    _WKPaginationModeLeftToRight,
    _WKPaginationModeRightToLeft,
    _WKPaginationModeTopToBottom,
    _WKPaginationModeBottomToTop,
} WK_API_AVAILABLE(macos(10.10), ios(8.0));

typedef NS_OPTIONS(NSUInteger, _WKMediaCaptureStateDeprecated) {
    _WKMediaCaptureStateDeprecatedNone = 0,
    _WKMediaCaptureStateDeprecatedActiveMicrophone = 1 << 0,
    _WKMediaCaptureStateDeprecatedActiveCamera = 1 << 1,
    _WKMediaCaptureStateDeprecatedMutedMicrophone = 1 << 2,
    _WKMediaCaptureStateDeprecatedMutedCamera = 1 << 3,
} WK_API_AVAILABLE(macos(10.13), ios(11.0));

typedef NS_OPTIONS(NSUInteger, _WKMediaMutedState) {
    _WKMediaNoneMuted = 0,
    _WKMediaAudioMuted = 1 << 0,
    _WKMediaCaptureDevicesMuted = 1 << 1,
    _WKMediaScreenCaptureMuted = 1 << 2,
} WK_API_AVAILABLE(macos(10.13), ios(11.0));

typedef NS_OPTIONS(NSUInteger, _WKCaptureDevices) {
    _WKCaptureDeviceMicrophone = 1 << 0,
    _WKCaptureDeviceCamera = 1 << 1,
    _WKCaptureDeviceDisplay = 1 << 2,
} WK_API_AVAILABLE(macos(10.13), ios(11.0));

typedef NS_OPTIONS(NSUInteger, _WKSelectionAttributes) {
    _WKSelectionAttributeNoSelection = 0,
    _WKSelectionAttributeIsCaret = 1 << 0,
    _WKSelectionAttributeIsRange = 1 << 1,
} WK_API_AVAILABLE(macos(10.15), ios(13.0));

typedef NS_ENUM(NSInteger, _WKShouldOpenExternalURLsPolicy) {
    _WKShouldOpenExternalURLsPolicyNotAllow,
    _WKShouldOpenExternalURLsPolicyAllow,
    _WKShouldOpenExternalURLsPolicyAllowExternalSchemesButNotAppLinks,
} WK_API_AVAILABLE(macos(12.0), ios(15.0));

#if TARGET_OS_IPHONE

typedef NS_ENUM(NSUInteger, _WKDragInteractionPolicy) {
    _WKDragInteractionPolicyDefault = 0,
    _WKDragInteractionPolicyAlwaysEnable,
    _WKDragInteractionPolicyAlwaysDisable
} WK_API_AVAILABLE(ios(11.0));

#else
#import <WebKit/WKBase.h>
#endif

#if !TARGET_OS_IPHONE

typedef NS_ENUM(NSInteger, _WKImmediateActionType) {
    _WKImmediateActionNone,
    _WKImmediateActionLinkPreview,
    _WKImmediateActionDataDetectedItem,
    _WKImmediateActionLookupText,
    _WKImmediateActionMailtoLink,
    _WKImmediateActionTelLink
} WK_API_AVAILABLE(macos(10.12));

typedef NS_OPTIONS(NSUInteger, _WKRectEdge) {
    _WKRectEdgeNone = 0,
    _WKRectEdgeLeft = 1 << CGRectMinXEdge,
    _WKRectEdgeTop = 1 << CGRectMinYEdge,
    _WKRectEdgeRight = 1 << CGRectMaxXEdge,
    _WKRectEdgeBottom = 1 << CGRectMaxYEdge,
    _WKRectEdgeAll = _WKRectEdgeLeft | _WKRectEdgeTop | _WKRectEdgeRight | _WKRectEdgeBottom,
} WK_API_AVAILABLE(macos(10.13.4));

#endif

@class UIEventAttribution;
@class WKBrowsingContextHandle;
@class WKDownload;
@class WKFrameInfo;
@class WKWebpagePreferences;
@class _WKApplicationManifest;
@class _WKFrameHandle;
@class _WKFrameTreeNode;
@class _WKHitTestResult;
@class _WKInspector;
@class _WKRemoteObjectRegistry;
@class _WKSafeBrowsingWarning;
@class _WKSessionState;
@class _WKTextInputContext;
@class _WKTextManipulationConfiguration;
@class _WKTextManipulationItem;
@class _WKThumbnailView;
@class _WKWebViewPrintFormatter;

@protocol WKHistoryDelegatePrivate;
@protocol _WKAppHighlightDelegate;
@protocol _WKDiagnosticLoggingDelegate;
@protocol _WKFindDelegate;
@protocol _WKFullscreenDelegate;
@protocol _WKIconLoadingDelegate;
@protocol _WKInputDelegate;
@protocol _WKResourceLoadDelegate;
@protocol _WKTextManipulationDelegate;

@interface WKWebView (WKPrivate)

// FIXME: This should return a _WKRemoteObjectRegistry *.
@property (nonatomic, readonly) id _remoteObjectRegistry;
@property (nonatomic, readonly) WKBrowsingContextHandle *_handle;

@property (nonatomic, setter=_setObservedRenderingProgressEvents:) _WKRenderingProgressEvents _observedRenderingProgressEvents;

@property (nonatomic, weak, setter=_setHistoryDelegate:) id <WKHistoryDelegatePrivate> _historyDelegate;
@property (nonatomic, weak, setter=_setIconLoadingDelegate:) id <_WKIconLoadingDelegate> _iconLoadingDelegate;
@property (nonatomic, weak, setter=_setResourceLoadDelegate:) id <_WKResourceLoadDelegate> _resourceLoadDelegate WK_API_AVAILABLE(macos(11.0), ios(14.0));

@property (nonatomic, readonly) NSURL *_unreachableURL;
@property (nonatomic, readonly) NSURL *_mainFrameURL WK_API_AVAILABLE(macos(10.15), ios(13.0));
@property (nonatomic, readonly) NSURL *_resourceDirectoryURL WK_API_AVAILABLE(macos(10.15), ios(13.0));

- (void)_loadAlternateHTMLString:(NSString *)string baseURL:(NSURL *)baseURL forUnreachableURL:(NSURL *)unreachableURL;
- (WKNavigation *)_loadData:(NSData *)data MIMEType:(NSString *)MIMEType characterEncodingName:(NSString *)characterEncodingName baseURL:(NSURL *)baseURL userData:(id)userData WK_API_AVAILABLE(macos(10.12), ios(10.0));
- (WKNavigation *)_loadRequest:(NSURLRequest *)request shouldOpenExternalURLs:(BOOL)shouldOpenExternalURLs WK_API_AVAILABLE(macos(10.13), ios(11.0));
- (WKNavigation *)_loadRequest:(NSURLRequest *)request shouldOpenExternalURLsPolicy:(_WKShouldOpenExternalURLsPolicy)shouldOpenExternalURLsPolicy WK_API_AVAILABLE(macos(12.0), ios(15.0));

@property (nonatomic, readonly) NSArray *_certificateChain WK_API_DEPRECATED_WITH_REPLACEMENT("certificateChain", macos(10.10, 10.11), ios(8.0, 9.0));
@property (nonatomic, readonly) NSURL *_committedURL;
@property (nonatomic, readonly) NSString *_MIMEType;
@property (nonatomic, readonly) NSString *_userAgent WK_API_AVAILABLE(macos(10.11), ios(9.0));
@property (copy, setter=_setApplicationNameForUserAgent:) NSString *_applicationNameForUserAgent;
@property (copy, setter=_setCustomUserAgent:) NSString *_customUserAgent;

@property (nonatomic, readonly, getter=_isPlayingAudio) BOOL _playingAudio WK_API_AVAILABLE(macos(10.13.4), ios(11.3));
@property (nonatomic, setter=_setUserContentExtensionsEnabled:) BOOL _userContentExtensionsEnabled WK_API_AVAILABLE(macos(10.11), ios(9.0));

@property (nonatomic, readonly) pid_t _webProcessIdentifier;
@property (nonatomic, readonly) pid_t _provisionalWebProcessIdentifier WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

@property (nonatomic, getter=_isEditable, setter=_setEditable:) BOOL _editable WK_API_AVAILABLE(macos(10.11), ios(9.0));

/*! @abstract A Boolean value indicating whether any resource on the page
has been loaded over a connection using TLS 1.0 or TLS 1.1.
@discussion @link WKWebView @/link is key-value observing (KVO) compliant
for this property.
*/
@property (nonatomic, readonly) BOOL _negotiatedLegacyTLS WK_API_AVAILABLE(macos(10.15.4), ios(13.4));

- (void)_frames:(void (^)(_WKFrameTreeNode *))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));

// FIXME: Remove these once nobody is using them.
@property (nonatomic, readonly) NSData *_sessionStateData;
- (void)_restoreFromSessionStateData:(NSData *)sessionStateData;

@property (nonatomic, readonly) _WKSessionState *_sessionState;
- (WKNavigation *)_restoreSessionState:(_WKSessionState *)sessionState andNavigate:(BOOL)navigate;
- (_WKSessionState *)_sessionStateWithFilter:(BOOL (^)(WKBackForwardListItem *item))filter;

@property (nonatomic, setter=_setAllowsRemoteInspection:) BOOL _allowsRemoteInspection;
@property (nonatomic, copy, setter=_setRemoteInspectionNameOverride:) NSString *_remoteInspectionNameOverride WK_API_AVAILABLE(macos(10.12), ios(10.0));
@property (nonatomic, readonly) BOOL _isBeingInspected WK_API_AVAILABLE(macos(12.0), ios(15.0));
@property (nonatomic, readonly) _WKInspector *_inspector WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

@property (nonatomic, readonly) _WKFrameHandle *_mainFrame WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

@property (nonatomic, weak, setter=_setTextManipulationDelegate:) id <_WKTextManipulationDelegate> _textManipulationDelegate WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (void)_startTextManipulationsWithConfiguration:(_WKTextManipulationConfiguration *)configuration completion:(void(^)(void))completionHandler WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (void)_completeTextManipulation:(_WKTextManipulationItem *)item completion:(void(^)(BOOL success))completionHandler WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (void)_completeTextManipulationForItems:(NSArray<_WKTextManipulationItem *> *)items completion:(void(^)(NSArray<NSError *> *errors))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));

@property (nonatomic, setter=_setAddsVisitedLinks:) BOOL _addsVisitedLinks;

@property (nonatomic, readonly) BOOL _networkRequestsInProgress;

@property (nonatomic, readonly, getter=_isShowingNavigationGestureSnapshot) BOOL _showingNavigationGestureSnapshot;

- (void)_close;
- (BOOL)_tryClose WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (BOOL)_isClosed WK_API_AVAILABLE(macos(10.15.4), ios(13.4));

- (void)_updateWebpagePreferences:(WKWebpagePreferences *)webpagePreferences WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (void)_notifyUserScripts WK_API_AVAILABLE(macos(11.0), ios(14.0));
@property (nonatomic, readonly) BOOL _deferrableUserScriptsNeedNotification WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (void)_evaluateJavaScriptWithoutUserGesture:(NSString *)javaScriptString completionHandler:(void (^)(id, NSError *))completionHandler WK_API_AVAILABLE(macos(10.13), ios(11.0));
- (void)_evaluateJavaScript:(NSString *)javaScriptString inFrame:(WKFrameInfo *)frame inContentWorld:(WKContentWorld *)contentWorld completionHandler:(void (^)(id, NSError * error))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));
- (void)_evaluateJavaScript:(NSString *)javaScriptString withSourceURL:(NSURL *)sourceURL inFrame:(WKFrameInfo *)frame inContentWorld:(WKContentWorld *)contentWorld completionHandler:(void (^)(id, NSError * error))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));
- (void)_callAsyncJavaScript:(NSString *)functionBody arguments:(NSDictionary<NSString *, id> *)arguments inFrame:(WKFrameInfo *)frame inContentWorld:(WKContentWorld *)contentWorld completionHandler:(void (^)(id, NSError *error))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (BOOL)_allMediaPresentationsClosed WK_API_AVAILABLE(macos(12.0), ios(15.0));

@property (nonatomic, setter=_setLayoutMode:) _WKLayoutMode _layoutMode;
// For use with _layoutMode = _WKLayoutModeFixedSize:
@property (nonatomic, setter=_setFixedLayoutSize:) CGSize _fixedLayoutSize;

@property (nonatomic, setter=_setViewportSizeForCSSViewportUnits:) CGSize _viewportSizeForCSSViewportUnits WK_API_AVAILABLE(macos(10.13), ios(11.0));

@property (nonatomic, setter=_setViewScale:) CGFloat _viewScale WK_API_AVAILABLE(macos(10.11), ios(9.0));

@property (nonatomic, copy, setter=_setCORSDisablingPatterns:) NSArray<NSString *> *_corsDisablingPatterns WK_API_AVAILABLE(macos(11.0), ios(14.0));

@property (nonatomic, setter=_setMinimumEffectiveDeviceWidth:) CGFloat _minimumEffectiveDeviceWidth WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

@property (nonatomic, setter=_setBackgroundExtendsBeyondPage:) BOOL _backgroundExtendsBeyondPage WK_API_AVAILABLE(macos(10.13.4), ios(8.0));

- (_WKAttachment *)_insertAttachmentWithFilename:(NSString *)filename contentType:(NSString *)contentType data:(NSData *)data options:(_WKAttachmentDisplayOptions *)options completion:(void(^)(BOOL success))completionHandler WK_API_DEPRECATED_WITH_REPLACEMENT("-_insertAttachmentWithFileWrapper:contentType:options:completion:", macos(10.13.4, 10.14.4), ios(11.3, 12.2));
- (_WKAttachment *)_insertAttachmentWithFileWrapper:(NSFileWrapper *)fileWrapper contentType:(NSString *)contentType options:(_WKAttachmentDisplayOptions *)options completion:(void(^)(BOOL success))completionHandler WK_API_DEPRECATED_WITH_REPLACEMENT("-_insertAttachmentWithFileWrapper:contentType:completion:", macos(10.14.4, 10.14.4), ios(12.2, 12.2));
- (_WKAttachment *)_insertAttachmentWithFileWrapper:(NSFileWrapper *)fileWrapper contentType:(NSString *)contentType completion:(void(^)(BOOL success))completionHandler WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (_WKAttachment *)_attachmentForIdentifier:(NSString *)identifier WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

- (void)_simulateDeviceOrientationChangeWithAlpha:(double)alpha beta:(double)beta gamma:(double)gamma WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

+ (BOOL)_willUpgradeToHTTPS:(NSURL *)url WK_API_AVAILABLE(macos(12.0), ios(15.0));

+ (BOOL)_handlesSafeBrowsing WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
+ (NSURL *)_confirmMalwareSentinel WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
+ (NSURL *)_visitUnsafeWebsiteSentinel WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (void)_showSafeBrowsingWarningWithTitle:(NSString *)title warning:(NSString *)warning details:(NSAttributedString *)details completionHandler:(void(^)(BOOL))completionHandler WK_API_DEPRECATED_WITH_REPLACEMENT("-_showSafeBrowsingWarningWithURL:title:warning:detailsWithLinks:completionHandler:", macos(10.14.4, 10.15.4), ios(12.2, 13.2));
- (void)_showSafeBrowsingWarningWithURL:(NSURL *)url title:(NSString *)title warning:(NSString *)warning details:(NSAttributedString *)details completionHandler:(void(^)(BOOL))completionHandler WK_API_DEPRECATED_WITH_REPLACEMENT("-_showSafeBrowsingWarningWithURL:title:warning:detailsWithLinks:completionHandler:", macos(10.14.4, 10.15.4), ios(12.2, 13.2));
- (void)_showSafeBrowsingWarningWithURL:(NSURL *)url title:(NSString *)title warning:(NSString *)warning detailsWithLinks:(NSAttributedString *)details completionHandler:(void(^)(BOOL, NSURL *))completionHandler WK_API_AVAILABLE(macos(10.15.4), ios(13.2));

- (void)_doAfterNextPresentationUpdate:(void (^)(void))updateBlock WK_API_AVAILABLE(macos(10.12), ios(10.0));
- (void)_doAfterNextPresentationUpdateWithoutWaitingForPainting:(void (^)(void))updateBlock WK_API_AVAILABLE(macos(10.12.3), ios(10.3));

- (void)_doAfterNextVisibleContentRectUpdate:(void (^)(void))updateBlock WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

- (void)_executeEditCommand:(NSString *)command argument:(NSString *)argument completion:(void (^)(BOOL))completion WK_API_AVAILABLE(macos(10.13.4), ios(11.3));

- (void)_isJITEnabled:(void(^)(BOOL))completionHandler WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (void)_removeDataDetectedLinks:(dispatch_block_t)completion WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

- (IBAction)_alignCenter:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_alignJustified:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_alignLeft:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_alignRight:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_indent:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_outdent:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_toggleStrikeThrough:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_insertOrderedList:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_insertUnorderedList:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_insertNestedOrderedList:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_insertNestedUnorderedList:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_increaseListLevel:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_decreaseListLevel:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_changeListType:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_pasteAsQuotation:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_pasteAndMatchStyle:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
- (IBAction)_takeFindStringFromSelection:(id)sender WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

@property (class, nonatomic, copy, setter=_setStringForFind:) NSString *_stringForFind WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
@property (nonatomic, readonly) _WKSelectionAttributes _selectionAttributes WK_API_AVAILABLE(macos(10.15), ios(13.0));

- (WKNavigation *)_reloadWithoutContentBlockers WK_API_AVAILABLE(macos(10.12), ios(10.0));
- (WKNavigation *)_reloadExpiredOnly WK_API_AVAILABLE(macos(10.13), ios(11.0));

@property (nonatomic, readonly) BOOL _webProcessIsResponsive WK_API_AVAILABLE(macos(10.12), ios(10.0));
- (void)_killWebContentProcess;
- (void)_killWebContentProcessAndResetState;

- (void)_getMainResourceDataWithCompletionHandler:(void (^)(NSData *, NSError *))completionHandler;
- (void)_getWebArchiveDataWithCompletionHandler:(void (^)(NSData *, NSError *))completionHandler;
- (void)_getContentsAsStringWithCompletionHandler:(void (^)(NSString *, NSError *))completionHandler WK_API_AVAILABLE(macos(10.13), ios(11.0));
- (void)_getContentsAsStringWithCompletionHandlerKeepIPCConnectionAliveForTesting:(void (^)(NSString *, NSError *))completionHandler;
- (void)_getContentsOfAllFramesAsStringWithCompletionHandler:(void (^)(NSString *))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));
- (void)_getContentsAsAttributedStringWithCompletionHandler:(void (^)(NSAttributedString *, NSDictionary<NSAttributedStringDocumentAttributeKey, id> *, NSError *))completionHandler WK_API_AVAILABLE(macos(10.15), ios(13.0));

- (void)_getApplicationManifestWithCompletionHandler:(void (^)(_WKApplicationManifest *))completionHandler WK_API_AVAILABLE(macos(10.13.4), ios(11.3));

@property (nonatomic, setter=_setPaginationMode:) _WKPaginationMode _paginationMode;
// Whether the column-break-{before,after} properties are respected instead of the
// page-break-{before,after} properties.
@property (nonatomic, setter=_setPaginationBehavesLikeColumns:) BOOL _paginationBehavesLikeColumns;
// Set to 0 to have the page length equal the view length.
@property (nonatomic, setter=_setPageLength:) CGFloat _pageLength;
@property (nonatomic, setter=_setGapBetweenPages:) CGFloat _gapBetweenPages;
@property (nonatomic, setter=_setPaginationLineGridEnabled:) BOOL _paginationLineGridEnabled;
@property (readonly) NSUInteger _pageCount;

@property (nonatomic, readonly) BOOL _supportsTextZoom;
@property (nonatomic, setter=_setTextZoomFactor:) double _textZoomFactor;
@property (nonatomic, setter=_setPageZoomFactor:) double _pageZoomFactor;

@property (nonatomic, weak, setter=_setDiagnosticLoggingDelegate:) id <_WKDiagnosticLoggingDelegate> _diagnosticLoggingDelegate WK_API_AVAILABLE(macos(10.11), ios(9.0));
@property (nonatomic, weak, setter=_setFindDelegate:) id <_WKFindDelegate> _findDelegate;
- (void)_findString:(NSString *)string options:(_WKFindOptions)options maxCount:(NSUInteger)maxCount;
- (void)_countStringMatches:(NSString *)string options:(_WKFindOptions)options maxCount:(NSUInteger)maxCount;
- (void)_hideFindUI;

@property (nonatomic, weak, setter=_setInputDelegate:) id <_WKInputDelegate> _inputDelegate WK_API_AVAILABLE(macos(10.12), ios(10.0));

@property (nonatomic, readonly, getter=_isDisplayingStandaloneImageDocument) BOOL _displayingStandaloneImageDocument;
@property (nonatomic, readonly, getter=_isDisplayingStandaloneMediaDocument) BOOL _displayingStandaloneMediaDocument;

@property (nonatomic, setter=_setScrollPerformanceDataCollectionEnabled:) BOOL _scrollPerformanceDataCollectionEnabled WK_API_AVAILABLE(macos(10.11), ios(9.0));
@property (nonatomic, readonly) NSArray *_scrollPerformanceData WK_API_AVAILABLE(macos(10.11), ios(9.0));

- (void)_saveBackForwardSnapshotForItem:(WKBackForwardListItem *)item WK_API_AVAILABLE(macos(10.11), ios(9.0));

@property (nonatomic, getter=_allowsMediaDocumentInlinePlayback, setter=_setAllowsMediaDocumentInlinePlayback:) BOOL _allowsMediaDocumentInlinePlayback;

@property (nonatomic, setter=_setFullscreenDelegate:) id<_WKFullscreenDelegate> _fullscreenDelegate WK_API_AVAILABLE(macos(10.13), ios(11.0));
@property (nonatomic, readonly) BOOL _isInFullscreen WK_API_AVAILABLE(macos(10.12.3));

@property (nonatomic, readonly) _WKMediaCaptureStateDeprecated _mediaCaptureState WK_API_AVAILABLE(macos(10.15), ios(13.0));
@property (nonatomic, readonly) _WKMediaMutedState _mediaMutedState WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (void)_setPageMuted:(_WKMediaMutedState)mutedState WK_API_AVAILABLE(macos(10.13), ios(11.0));

@property (nonatomic, setter=_setMediaCaptureEnabled:) BOOL _mediaCaptureEnabled WK_API_AVAILABLE(macos(10.13), ios(11.0));
- (void)_stopMediaCapture WK_API_AVAILABLE(macos(10.15.4), ios(13.4));

@property (nonatomic, readonly) BOOL _canTogglePictureInPicture;
@property (nonatomic, readonly) BOOL _isPictureInPictureActive;
- (void)_updateMediaPlaybackControlsManager;
- (void)_togglePictureInPicture;
- (void)_stopAllMediaPlayback;
- (void)_suspendAllMediaPlayback;
- (void)_resumeAllMediaPlayback;
- (void)_closeAllMediaPresentations;

- (void)_takePDFSnapshotWithConfiguration:(WKSnapshotConfiguration *)snapshotConfiguration completionHandler:(void (^)(NSData *pdfSnapshotData, NSError *error))completionHandler WK_API_AVAILABLE(macos(10.15.4), ios(13.4));
- (void)_getPDFFirstPageSizeInFrame:(_WKFrameHandle *)frame completionHandler:(void(^)(CGSize))completionHandler WK_API_AVAILABLE(macos(12.0), ios(15.0));

- (void)_getProcessDisplayNameWithCompletionHandler:(void (^)(NSString *))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (void)_grantAccessToPreferenceService WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (void)_serviceWorkersEnabled:(void(^)(BOOL))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));
- (void)_clearServiceWorkerEntitlementOverride:(void (^)(void))completionHandler WK_API_AVAILABLE(macos(11.0), ios(14.0));

- (void)_preconnectToServer:(NSURL *)serverURL WK_API_AVAILABLE(macos(11.0), ios(14.0));

@property (nonatomic, setter=_setCanUseCredentialStorage:) BOOL _canUseCredentialStorage WK_API_AVAILABLE(macos(12.0), ios(15.0));

- (void)_didEnableBrowserExtensions:(NSDictionary<NSString *, NSString *> *)extensionIDToNameMap WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_didDisableBrowserExtensions:(NSSet<NSString *> *)extensionIDs WK_API_AVAILABLE(macos(12.0), ios(15.0));

@property (nonatomic, weak, setter=_setAppHighlightDelegate:) id <_WKAppHighlightDelegate> _appHighlightDelegate WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_restoreAppHighlights:(NSArray<NSData *> *)highlights WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_restoreAndScrollToAppHighlight:(NSData *)highlight WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_addAppHighlight WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_addAppHighlightInNewGroup:(BOOL)newGroup originatedInApp:(BOOL)originatedInApp WK_API_AVAILABLE(macos(12.0), ios(15.0));

// FIXME: Remove old `-[WKWebView _themeColor]` SPI <rdar://76662644>
#if TARGET_OS_IPHONE
@property (nonatomic, readonly) UIColor *_themeColor WK_API_DEPRECATED_WITH_REPLACEMENT("themeColor", ios(15.0, 15.0));
#else
@property (nonatomic, readonly) NSColor *_themeColor WK_API_DEPRECATED_WITH_REPLACEMENT("themeColor", macos(12.0, 12.0));
#endif

// FIXME: Remove old `-[WKWebView _pageExtendedBackgroundColor]` SPI <rdar://77789732>
#if TARGET_OS_IPHONE
@property (nonatomic, readonly) UIColor *_pageExtendedBackgroundColor WK_API_DEPRECATED_WITH_REPLACEMENT("underPageBackgroundColor", ios(15.0, 15.0));
#else
@property (nonatomic, readonly) NSColor *_pageExtendedBackgroundColor WK_API_DEPRECATED_WITH_REPLACEMENT("underPageBackgroundColor", macos(10.10, 12.0));
#endif

// Only set if `-[WKWebViewConfiguration _sampledPageTopColorMaxDifference]` is a positive number.
#if TARGET_OS_IPHONE
@property (nonatomic, readonly) UIColor *_sampledPageTopColor WK_API_AVAILABLE(ios(15.0));
#else
@property (nonatomic, readonly) NSColor *_sampledPageTopColor WK_API_AVAILABLE(macos(12.0));
#endif

- (void)_grantAccessToAssetServices WK_API_AVAILABLE(macos(12.0), ios(14.0));
- (void)_revokeAccessToAssetServices WK_API_AVAILABLE(macos(12.0), ios(14.0));

/*! @abstract If the WKWebView was created with _shouldAllowUserInstalledFonts = NO,
 the web process will automatically use an in-process font registry, and its sandbox
 will be restricted to forbid access to fontd. Otherwise, the web process will use
 fontd to look up fonts instead of using the in-process registry, and the web
 process's sandbox will automatically be extended to allow access to fontd. This
 method represents a one-time, web-process-wide switch from using the in-process
 font registry to using fontd, including granting the relevant sandbox extension.
*/
- (void)_switchFromStaticFontRegistryToUserFontRegistry WK_API_AVAILABLE(macos(12.0));

- (void)_didLoadAppInitiatedRequest:(void (^)(BOOL result))completionHandler;
- (void)_didLoadNonAppInitiatedRequest:(void (^)(BOOL result))completionHandler;

- (void)_loadServiceWorker:(NSURL *)url completionHandler:(void (^)(BOOL success))completionHandler WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

- (void)_suspendPage:(void (^)(BOOL))completionHandler WK_API_AVAILABLE(macos(12.0), ios(15.0));
- (void)_resumePage:(void (^)(BOOL))completionHandler WK_API_AVAILABLE(macos(12.0), ios(15.0));

- (void)_startImageAnalysis:(NSString *)identifier WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

- (void)_requestResource:(NSURLRequest *)request completionHandler:(void(^)(NSData *, NSURLResponse *, NSError *))completionHandler WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

typedef NS_ENUM(NSInteger, WKDisplayCaptureState) {
    WKDisplayCaptureStateNone,
    WKDisplayCaptureStateActive,
    WKDisplayCaptureStateMuted,
} WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

typedef NS_ENUM(NSInteger, WKSystemAudioCaptureState) {
    WKSystemAudioCaptureStateNone,
    WKSystemAudioCaptureStateActive,
    WKSystemAudioCaptureStateMuted,
} WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

typedef NS_OPTIONS(NSUInteger, WKDisplayCaptureSurfaces) {
    WKDisplayCaptureSurfaceNone = 0,
    WKDisplayCaptureSurfaceScreen = 0x1,
    WKDisplayCaptureSurfaceWindow = 0x2,
};

/*! @abstract The type(s) of displays being captured on a web page.
 @discussion @link WKWebView @/link is key-value observing (KVO) compliant
 for this property.
 */
@property (nonatomic, readonly) WKDisplayCaptureSurfaces _displayCaptureSurfaces WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

/*! @abstract The state of display capture on a web page.
 @discussion @link WKWebView @/link is key-value observing (KVO) compliant
 for this property.
 */
@property (nonatomic, readonly) WKDisplayCaptureState _displayCaptureState WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

/*! @abstract The state of system audio capture on a web page.
 @discussion @link WKWebView @/link is key-value observing (KVO) compliant
 for this property.
 */
@property (nonatomic, readonly) WKSystemAudioCaptureState _systemAudioCaptureState WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

/*! @abstract Set display capture state of a WKWebView.
 @param state State to apply for capture.
 @param completionHandler A block to invoke after the screen state has been changed.
 @discussion
 If value is WKDisplayCaptureStateNone, this will stop all display capture.
 If value is WKDisplayCaptureStateMuted, all active display captures will become muted.
 If value is WKDisplayCaptureStateActive, all muted display captures will become active.
 */
- (void)_setDisplayCaptureState:(WKDisplayCaptureState)state completionHandler:(void (^)(void))completionHandler WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

/*! @abstract Set system audio capture state of a WKWebView.
 @param state State to apply for system audio capture.
 @param completionHandler A block to invoke after the system audio state has been changed.
 @discussion
 If value is WKSystemAudioCaptureStateNone, this will stop any system audio capture.
 If value is WKSystemAudioCaptureStateMuted, any active system audio capture will become muted.
 If value is WKSystemAudioCaptureStateActive, any muted system audio capture will become active.
 @note When system audio capture is active, if screenCaptureState is active, all system audio will be captured.
 Otherwise, if windowCaptureState is active, only the application whose window being is captured will have its audio captured.
 If both screenCaptureState and windowCaptureState are None or Muted, no system audio will be captured.
 */
- (void)_setSystemAudioCaptureState:(WKSystemAudioCaptureState)state completionHandler:(void (^)(void))completionHandler WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));

@end

#if TARGET_OS_IPHONE

#if !TARGET_OS_TV && !TARGET_OS_WATCH && __has_include(<UIKit/_UITextSearching.h>)
@interface WKWebView (WKPrivateIOS) <_UITextSearching>
#else
@interface WKWebView (WKPrivateIOS)
#endif

#if !TARGET_OS_TV && !TARGET_OS_WATCH
@property (nonatomic, copy, setter=_setUIEventAttribution:) UIEventAttribution *_uiEventAttribution WK_API_AVAILABLE(ios(15.0));
@property (nonatomic, copy, setter=_setEphemeralUIEventAttribution:) UIEventAttribution *_ephemeralUIEventAttribution WK_API_AVAILABLE(ios(WK_IOS_TBA));
- (void)_setEphemeralUIEventAttribution:(UIEventAttribution *)attribution forApplicationWithBundleID:(NSString *)bundleID WK_API_AVAILABLE(ios(WK_IOS_TBA));

#if __has_include(<UIKit/_UIFindInteraction.h>)
@property (nonatomic, readonly) _UIFindInteraction *_findInteraction WK_API_AVAILABLE(ios(WK_IOS_TBA));
@property (nonatomic, readwrite, setter=_setFindInteractionEnabled:) BOOL _findInteractionEnabled WK_API_AVAILABLE(ios(WK_IOS_TBA));

- (void)_requestRectForFoundTextRange:(UITextRange *)ranges completionHandler:(void (^)(CGRect))completionHandler WK_API_AVAILABLE(ios(WK_IOS_TBA));
#endif

#endif

@property (nonatomic, readonly) CGRect _contentVisibleRect WK_API_AVAILABLE(ios(10.0));

// DERECATED: The setters of the three following function are deprecated, please use overrideLayoutParameters.
// Define the smallest size a page take with a regular viewport.
@property (nonatomic, readonly) CGSize _minimumLayoutSizeOverride;
// Define the largest size the unobscured area can get for the current view bounds. This value is used to define viewport units.
@property (nonatomic, readonly) CGSize _maximumUnobscuredSizeOverride;

// Define the inset of the scrollview unusable by the web page.
@property (nonatomic, setter=_setObscuredInsets:) UIEdgeInsets _obscuredInsets;

@property (nonatomic, setter=_setUnobscuredSafeAreaInsets:) UIEdgeInsets _unobscuredSafeAreaInsets WK_API_AVAILABLE(ios(11.0));
@property (nonatomic, readonly) BOOL _safeAreaShouldAffectObscuredInsets WK_API_AVAILABLE(ios(11.0));
@property (nonatomic, setter=_setObscuredInsetEdgesAffectedBySafeArea:) UIRectEdge _obscuredInsetEdgesAffectedBySafeArea WK_API_AVAILABLE(ios(11.0));

// An ancestor view whose bounds will be intersected with those of this WKWebView to determine the visible region of content to render.
@property (nonatomic, readonly) UIView *_enclosingViewForExposedRectComputation WK_API_AVAILABLE(ios(11.0));

// Override the interface orientation. Clients using _beginAnimatedResizeWithUpdates: must update the interface orientation
// in the update block.
@property (nonatomic, setter=_setInterfaceOrientationOverride:) UIInterfaceOrientation _interfaceOrientationOverride;
- (void)_clearInterfaceOrientationOverride WK_API_AVAILABLE(ios(11.0));

@property (nonatomic, setter=_setAllowsViewportShrinkToFit:) BOOL _allowsViewportShrinkToFit;

// FIXME: Remove these three properties once we expose WKWebViewContentProvider as API.
@property (nonatomic, readonly, getter=_isDisplayingPDF) BOOL _displayingPDF;
@property (nonatomic, readonly) NSData *_dataForDisplayedPDF;
// FIXME: This can be removed once WKNavigation's response property is implemented.
@property (nonatomic, readonly) NSString *_suggestedFilenameForDisplayedPDF;

@property (nonatomic, readonly) _WKWebViewPrintFormatter *_webViewPrintFormatter;

@property (nonatomic, setter=_setDragInteractionPolicy:) _WKDragInteractionPolicy _dragInteractionPolicy WK_API_AVAILABLE(ios(11.0));
@property (nonatomic, readonly) BOOL _shouldAvoidResizingWhenInputViewBoundsChange WK_API_AVAILABLE(ios(13.0));
@property (nonatomic, readonly) BOOL _contentViewIsFirstResponder WK_API_AVAILABLE(ios(12.2));

@property (nonatomic, readonly) CGRect _uiTextCaretRect WK_API_AVAILABLE(ios(10.3));

@property (nonatomic, readonly) UIView *_safeBrowsingWarning WK_API_AVAILABLE(macos(10.14.4), ios(12.2));

- (CGPoint)_convertPointFromContentsToView:(CGPoint)point WK_API_AVAILABLE(ios(10.0));
- (CGPoint)_convertPointFromViewToContents:(CGPoint)point WK_API_AVAILABLE(ios(10.0));

- (void)_doAfterNextStablePresentationUpdate:(dispatch_block_t)updateBlock WK_API_AVAILABLE(ios(10.3));

- (void)_setFont:(UIFont *)font sender:(id)sender WK_API_AVAILABLE(ios(12.2));
- (void)_setFontSize:(CGFloat)fontSize sender:(id)sender WK_API_AVAILABLE(ios(12.2));
- (void)_setTextColor:(UIColor *)color sender:(id)sender WK_API_AVAILABLE(ios(12.2));

- (void)_detectDataWithTypes:(WKDataDetectorTypes)types completionHandler:(dispatch_block_t)completion WK_API_AVAILABLE(ios(12.2));

- (void)_requestActivatedElementAtPosition:(CGPoint)position completionBlock:(void (^)(_WKActivatedElementInfo *))block WK_API_AVAILABLE(ios(11.0));

- (void)didStartFormControlInteraction WK_API_AVAILABLE(ios(10.3));
- (void)didEndFormControlInteraction WK_API_AVAILABLE(ios(10.3));

- (void)_beginInteractiveObscuredInsetsChange;
- (void)_endInteractiveObscuredInsetsChange;
- (void)_hideContentUntilNextUpdate;

- (void)_beginAnimatedResizeWithUpdates:(void (^)(void))updateBlock;
- (void)_endAnimatedResize;
- (void)_resizeWhileHidingContentWithUpdates:(void (^)(void))updateBlock;

- (void)_snapshotRectAfterScreenUpdates:(BOOL)afterScreenUpdates rectInViewCoordinates:(CGRect)rectInViewCoordinates intoImageOfWidth:(CGFloat)imageWidth completionHandler:(void(^)(CGImageRef))completionHandler WK_API_AVAILABLE(ios(WK_IOS_TBA));
- (void)_snapshotRect:(CGRect)rectInViewCoordinates intoImageOfWidth:(CGFloat)imageWidth completionHandler:(void(^)(CGImageRef))completionHandler;

- (void)_overrideLayoutParametersWithMinimumLayoutSize:(CGSize)minimumLayoutSize maximumUnobscuredSizeOverride:(CGSize)maximumUnobscuredSizeOverride WK_API_AVAILABLE(ios(9_0));
- (void)_clearOverrideLayoutParameters WK_API_AVAILABLE(ios(11.0));
- (void)_overrideViewportWithArguments:(NSDictionary<NSString *, NSString *> *)arguments WK_API_AVAILABLE(ios(13.0));

- (UIView *)_viewForFindUI;

- (void)_setOverlaidAccessoryViewsInset:(CGSize)inset;

// Puts the view into a state where being taken out of the view hierarchy and resigning first responder
// will not count as becoming inactive and unfocused. The returned block must be called to exit the state.
- (void (^)(void))_retainActiveFocusedState WK_API_AVAILABLE(ios(9_0));

- (void)_becomeFirstResponderWithSelectionMovingForward:(BOOL)selectingForward completionHandler:(void (^)(BOOL didBecomeFirstResponder))completionHandler WK_API_AVAILABLE(ios(9_0));

- (id)_snapshotLayerContentsForBackForwardListItem:(WKBackForwardListItem *)item WK_API_AVAILABLE(ios(9_0));

- (NSArray *)_dataDetectionResults;

- (void)_accessibilityRetrieveRectsAtSelectionOffset:(NSInteger)offset withText:(NSString *)text completionHandler:(void (^)(NSArray<NSValue *> *rects))completionHandler WK_API_AVAILABLE(ios(11.3));
- (void)_accessibilityStoreSelection WK_API_AVAILABLE(ios(11.3));
- (void)_accessibilityClearSelection WK_API_AVAILABLE(ios(11.3));

- (void)_accessibilityRetrieveSpeakSelectionContent WK_API_AVAILABLE(ios(11.0));
- (void)_accessibilityDidGetSpeakSelectionContent:(NSString *)content WK_API_AVAILABLE(ios(11.0));

- (UIView *)_fullScreenPlaceholderView WK_API_AVAILABLE(ios(12.0));

- (void)_willOpenAppLink WK_API_AVAILABLE(ios(14.0));

- (void)_isNavigatingToAppBoundDomain:(void(^)(BOOL))completionHandler WK_API_AVAILABLE(ios(14.0));
- (void)_isForcedIntoAppBoundMode:(void(^)(BOOL))completionHandler WK_API_AVAILABLE(ios(14.0));

@end

@interface WKWebView () <UIResponderStandardEditActions>
@end

#if !TARGET_OS_WATCH

@interface WKWebView (FullScreenAPI_Private)

-(BOOL)hasFullScreenWindowController;
-(void)closeFullScreenWindowController;

@end
#endif // !TARGET_OS_WATCH

#endif // TARGET_OS_IPHONE


#if !TARGET_OS_IPHONE

@interface WKWebView (WKPrivateMac)

@property (nonatomic, readonly) WKPageRef _pageRefForTransitionToWKWebView  WK_API_AVAILABLE(macos(10.13.4));
@property (nonatomic, readonly) BOOL _hasActiveVideoForControlsManager WK_API_AVAILABLE(macos(10.12));
@property (nonatomic, readwrite, setter=_setIgnoresNonWheelEvents:) BOOL _ignoresNonWheelEvents WK_API_AVAILABLE(macos(10.13.4));

/*! @abstract A Boolean value indicating whether drawing clips to the visibleRect.
@discussion When YES, the view will use its -visibleRect when determining which areas of the WKWebView to draw. This may improve performance for large WKWebViews which are mostly clipped out by enclosing views.  The default value is NO.
*/
@property (nonatomic, readwrite, setter=_setClipsToVisibleRect:) BOOL _clipsToVisibleRect WK_API_AVAILABLE(macos(11.0));

@property (nonatomic, readonly) NSView *_safeBrowsingWarning WK_API_AVAILABLE(macos(10.14.4));

@property (nonatomic, readonly) _WKRectEdge _pinnedState WK_API_AVAILABLE(macos(10.13.4));
@property (nonatomic, setter=_setRubberBandingEnabled:) _WKRectEdge _rubberBandingEnabled WK_API_AVAILABLE(macos(10.13.4));

@property (nonatomic, setter=_setBackgroundColor:) NSColor *_backgroundColor WK_API_AVAILABLE(macos(10.14));
@property (nonatomic, copy, setter=_setUnderlayColor:) NSColor *_underlayColor WK_API_AVAILABLE(macos(10.13.4));

@property (nonatomic, setter=_setTotalHeightOfBanners:) CGFloat _totalHeightOfBanners WK_API_AVAILABLE(macos(10.13.4));
@property (nonatomic, setter=_setDrawsBackground:) BOOL _drawsBackground;
@property (nonatomic, setter=_setTopContentInset:) CGFloat _topContentInset;

@property (nonatomic, setter=_setAutomaticallyAdjustsContentInsets:) BOOL _automaticallyAdjustsContentInsets;

// Default value is 0. A value of 0 means the window's backing scale factor will be used and automatically update when the window moves screens.
@property (nonatomic, setter=_setOverrideDeviceScaleFactor:) CGFloat _overrideDeviceScaleFactor WK_API_AVAILABLE(macos(10.11));

@property (nonatomic, setter=_setWindowOcclusionDetectionEnabled:) BOOL _windowOcclusionDetectionEnabled;

@property (nonatomic, readonly) NSInteger _spellCheckerDocumentTag WK_API_AVAILABLE(macos(10.14));

// When using _minimumLayoutWidth, the web content will lay out to the intrinsic height
// of the content; use this property to force it to lay out to the height of the view instead.
@property (nonatomic, setter=_setShouldExpandContentToViewHeightForAutoLayout:) BOOL _shouldExpandContentToViewHeightForAutoLayout WK_API_AVAILABLE(macos(10.12));

@property (nonatomic, setter=_setMinimumLayoutWidth:) CGFloat _minimumLayoutWidth WK_API_AVAILABLE(macos(10.12));
@property (nonatomic, setter=_setSizeToContentAutoSizeMaximumSize:) CGSize _sizeToContentAutoSizeMaximumSize;

@property (nonatomic, setter=_setAlwaysShowsHorizontalScroller:) BOOL _alwaysShowsHorizontalScroller WK_API_AVAILABLE(macos(10.13.4));
@property (nonatomic, setter=_setAlwaysShowsVerticalScroller:) BOOL _alwaysShowsVerticalScroller WK_API_AVAILABLE(macos(10.13.4));

@property (nonatomic, readwrite, setter=_setUseSystemAppearance:) BOOL _useSystemAppearance WK_API_AVAILABLE(macos(10.14));
@property (nonatomic, setter=_setOverlayScrollbarStyle:) _WKOverlayScrollbarStyle _overlayScrollbarStyle WK_API_AVAILABLE(macos(10.13.4));
@property (strong, nonatomic, setter=_setInspectorAttachmentView:) NSView *_inspectorAttachmentView WK_API_AVAILABLE(macos(10.13.4));

@property (nonatomic, setter=_setThumbnailView:) _WKThumbnailView *_thumbnailView WK_API_AVAILABLE(macos(10.13.4));
@property (nonatomic, setter=_setIgnoresAllEvents:) BOOL _ignoresAllEvents WK_API_AVAILABLE(macos(10.13.4));

// Defaults to YES; if set to NO, WebKit will draw the grey wash and highlights itself.
@property (nonatomic, setter=_setUsePlatformFindUI:) BOOL _usePlatformFindUI WK_API_AVAILABLE(macos(10.15));

- (void)_setShouldSuppressFirstResponderChanges:(BOOL)shouldSuppress;
- (BOOL)_canChangeFrameLayout:(_WKFrameHandle *)frameHandle WK_API_AVAILABLE(macos(10.13.4));
- (BOOL)_tryToSwipeWithEvent:(NSEvent *)event ignoringPinnedState:(BOOL)ignoringPinnedState WK_API_AVAILABLE(macos(10.13.4));

- (void)_dismissContentRelativeChildWindows WK_API_AVAILABLE(macos(10.13.4));
- (void)_setFrame:(NSRect)rect andScrollBy:(NSSize)offset WK_API_AVAILABLE(macos(10.13.4));

- (void)_gestureEventWasNotHandledByWebCore:(NSEvent *)event WK_API_AVAILABLE(macos(10.13.4));

- (void)_disableFrameSizeUpdates WK_API_AVAILABLE(macos(10.13.4));
- (void)_enableFrameSizeUpdates WK_API_AVAILABLE(macos(10.13.4));

- (void)_beginDeferringViewInWindowChanges WK_API_AVAILABLE(macos(10.13.4));
- (void)_endDeferringViewInWindowChanges WK_API_AVAILABLE(macos(10.13.4));
- (void)_endDeferringViewInWindowChangesSync WK_API_AVAILABLE(macos(10.13.4));

- (void)_setCustomSwipeViews:(NSArray *)customSwipeViews WK_API_AVAILABLE(macos(10.13.4));
- (void)_setDidMoveSwipeSnapshotCallback:(void(^)(CGRect))callback WK_API_AVAILABLE(macos(10.13.4));
- (void)_setCustomSwipeViewsTopContentInset:(float)topContentInset WK_API_AVAILABLE(macos(10.13.4));

- (NSView *)_fullScreenPlaceholderView WK_API_AVAILABLE(macos(10.13.4));
- (NSWindow *)_fullScreenWindow WK_API_AVAILABLE(macos(10.13.4));

// Clients that want to maintain default behavior can return nil. To disable the immediate action entirely, return NSNull. And to
// do something custom, return an object that conforms to the NSImmediateActionAnimationController protocol.
- (id)_immediateActionAnimationControllerForHitTestResult:(_WKHitTestResult *)hitTestResult withType:(_WKImmediateActionType)type userData:(id<NSSecureCoding>)userData;

- (NSPrintOperation *)_printOperationWithPrintInfo:(NSPrintInfo *)printInfo;
- (NSPrintOperation *)_printOperationWithPrintInfo:(NSPrintInfo *)printInfo forFrame:(_WKFrameHandle *)frameHandle WK_API_AVAILABLE(macos(10.12));

// FIXME: This SPI should become a part of the WKUIDelegate. rdar://problem/26561537
@property (nonatomic, readwrite, setter=_setWantsMediaPlaybackControlsView:) BOOL _wantsMediaPlaybackControlsView WK_API_AVAILABLE(macos(10.12.3));
@property (nonatomic, readonly) id _mediaPlaybackControlsView WK_API_AVAILABLE(macos(10.13));

- (void)_addMediaPlaybackControlsView:(id)mediaPlaybackControlsView WK_API_AVAILABLE(macos(10.13));
- (void)_removeMediaPlaybackControlsView WK_API_AVAILABLE(macos(10.12.3));

- (void)_prepareForMoveToWindow:(NSWindow *)targetWindow completionHandler:(void(^)(void))completionHandler WK_API_AVAILABLE(macos(10.13));

@end

#endif // !TARGET_OS_IPHONE
