import { SerializedGridObject, Gridview, SerializedGridview } from '../gridview/gridview';
import { DroptargetOverlayModel, Position } from '../dnd/droptarget';
import { DockviewPanel, IDockviewPanel } from './dockviewPanel';
import { IDisposable } from '../lifecycle';
import { Event, Emitter } from '../events';
import { IWatermarkRenderer, GroupviewPanelState } from './types';
import { AddGroupOptions, AddPanelOptions, DockviewComponentOptions, DockviewDndOverlayEvent, DockviewOptions, MovementOptions, DockviewHeaderPosition } from './options';
import { BaseGrid, IBaseGrid } from '../gridview/baseComponentGridview';
import { DockviewApi } from '../api/component.api';
import { Orientation } from '../splitview/splitview';
import { GroupOptions, GroupPanelViewState, DockviewDidDropEvent, DockviewWillDropEvent } from './dockviewGroupPanelModel';
import { DockviewWillShowOverlayLocationEvent, DockviewTabGroupChangeEvent, DockviewTabGroupCollapsedChangeEvent, DockviewTabGroupPanelChangeEvent, DockviewGroupDropLocation } from './events';
import { DockviewGroupPanel } from './dockviewGroupPanel';
import { Parameters } from '../panel/types';
import { DockviewFloatingGroupPanel } from './dockviewFloatingGroupPanel';
import { GroupDragEvent, TabDragEvent } from './components/titlebar/tabsContainer';
import { IFloatingGroupHost } from './floatingGroupService';
import { IPopoutWindowHost } from './popoutWindowService';
import { IWatermarkHost } from './watermarkService';
import { IEdgeGroupServiceHost } from './edgeGroupService';
import { IAccessibilityHost, IAdvancedDnDHost, IContextMenuHost, IContextMenuService, ITabGroupChipsHost } from './moduleContracts';
import { IHeaderActionsHost } from './headerActionsService';
import { AnchoredBox, AnchorPosition, Box } from '../types';
import { DockviewPanelRenderer, OverlayRenderContainer } from '../overlay/overlayRenderContainer';
import { PopupService } from './components/popupService';
import { IRootDropTargetHost } from './rootDropTargetService';
import { ILiveRegionHost } from './liveRegionService';
import { IDragGhostSpec } from '../dnd/backend';
import { DropTargetAnchorContainer } from '../dnd/dropTargetAnchorContainer';
import { EdgeGroupPosition, EdgeGroupOptions, SerializedEdgeGroups } from './dockviewShell';
import { DockviewGroupPanelApi } from '../api/dockviewGroupPanelApi';
import { TabGroupColorPalette } from './tabGroupAccent';
export interface DockviewPopoutGroupOptions {
    /**
     * The position of the popout group
     */
    position?: Box;
    /**
     * The same-origin path at which the popout window will be created
     *
     * Defaults to `/popout.html` if not provided
     */
    popoutUrl?: string;
    onDidOpen?: (event: {
        id: string;
        window: Window;
    }) => void;
    onWillClose?: (event: {
        id: string;
        window: Window;
    }) => void;
}
interface DockviewPopoutGroupOptionsInternal extends DockviewPopoutGroupOptions {
    referenceGroup?: DockviewGroupPanel;
    overridePopoutGroup?: DockviewGroupPanel;
    /**
     * Restore into a pre-built nested gridview (multi-group popout window)
     * rather than creating one around a single group.
     */
    overridePopoutGridview?: Gridview;
}
export interface PanelReference {
    update: (event: {
        params: {
            [key: string]: any;
        };
    }) => void;
    remove: () => void;
}
export interface SerializedFloatingGroup {
    /**
     * Legacy single-group form. Still written when a floating window hosts a
     * single group (for stable round-trips) and always accepted on read.
     */
    data?: GroupPanelViewState;
    /**
     * Nested layout of the floating window. Written when the window hosts more
     * than one group; mutually exclusive with `data`.
     */
    grid?: SerializedGridview<GroupPanelViewState>;
    position: AnchoredBox;
}
export interface SerializedPopoutGroup {
    /**
     * Legacy single-group form. Still written when a popout window hosts a
     * single group (for stable round-trips) and always accepted on read.
     */
    data?: GroupPanelViewState;
    /**
     * Nested layout of the popout window. Written when the window hosts more
     * than one group; mutually exclusive with `data`.
     */
    grid?: SerializedGridview<GroupPanelViewState>;
    url?: string;
    gridReferenceGroup?: string;
    position: Box | null;
}
export interface SerializedDockview {
    grid: {
        root: SerializedGridObject<GroupPanelViewState>;
        height: number;
        width: number;
        orientation: Orientation;
    };
    panels: Record<string, GroupviewPanelState>;
    activeGroup?: string;
    floatingGroups?: SerializedFloatingGroup[];
    popoutGroups?: SerializedPopoutGroup[];
    edgeGroups?: SerializedEdgeGroups;
}
export interface MovePanelEvent {
    panel: IDockviewPanel;
    from: DockviewGroupPanel;
}
type MoveGroupOptions = {
    from: {
        group: DockviewGroupPanel;
    };
    to: {
        group: DockviewGroupPanel;
        position: Position;
    };
    skipSetActive?: boolean;
};
type MoveGroupOrPanelOptions = {
    from: {
        groupId: string;
        panelId?: string;
        tabGroupId?: string;
    };
    to: {
        group: DockviewGroupPanel;
        position: Position;
        index?: number;
    };
    skipSetActive?: boolean;
    keepEmptyGroups?: boolean;
};
export interface FloatingGroupOptions {
    x?: number;
    y?: number;
    height?: number;
    width?: number;
    position?: AnchorPosition;
    /**
     * Override the component-level `floatingGroupDragHandle` option for this
     * group only. See {@link DockviewOptions.floatingGroupDragHandle}.
     */
    dragHandle?: 'titlebar' | 'tabbar';
}
interface FloatingGroupOptionsInternal extends FloatingGroupOptions {
    skipRemoveGroup?: boolean;
    inDragMode?: boolean;
    skipActiveGroup?: boolean;
}
export interface DockviewMaximizedGroupChangeEvent {
    group: DockviewGroupPanel;
    isMaximized: boolean;
}
/** The coarse kind of a structural layout mutation (see `onWillMutateLayout`). */
export type DockviewLayoutMutationKind = 'add' | 'remove' | 'move' | 'float' | 'popout' | 'maximize' | 'tab-group' | 'load' | 'clear';
/**
 * Who caused an operation: `'user'` for changes driven by direct interaction
 * (drag-and-drop, tab UI, keyboard docking) and `'api'` for those entered
 * through a {@link DockviewApi} method called by application code. Lets
 * consumers (e.g. an undo stack, or a context-sync listener) treat the app's
 * own programmatic changes differently from end-user gestures.
 */
export type DockviewOrigin = 'user' | 'api';
export interface DockviewLayoutMutationEvent {
    readonly kind: DockviewLayoutMutationKind;
    readonly origin: DockviewOrigin;
}
/**
 * Fired by `onDidActivePanelChange` when the active panel changes. Carries the
 * {@link DockviewOrigin} so consumers can distinguish a user clicking a tab
 * from a programmatic `setActive` call (e.g. to avoid feedback loops when
 * syncing context off the active panel).
 */
export interface DockviewActivePanelChangeEvent {
    readonly panel: IDockviewPanel | undefined;
    readonly origin: DockviewOrigin;
}
export interface PopoutGroupChangeSizeEvent {
    width: number;
    height: number;
    group: DockviewGroupPanel;
}
export interface PopoutGroupChangePositionEvent {
    screenX: number;
    screenY: number;
    group: DockviewGroupPanel;
}
/** A spatial (visual) direction for group-to-group navigation. */
export type GroupNavigationDirection = 'left' | 'right' | 'up' | 'down';
/**
 * A popout group currently open in its own window. `window` is the live
 * `Window` handle of the popout, so consumers can route focus, attach
 * per-document listeners, or place the window.
 */
export interface PopoutGroup {
    readonly id: string;
    readonly group: DockviewGroupPanel;
    readonly window: Window;
}
export interface IDockviewComponent extends IBaseGrid<DockviewGroupPanel> {
    readonly activePanel: IDockviewPanel | undefined;
    readonly totalPanels: number;
    readonly panels: IDockviewPanel[];
    readonly orientation: Orientation;
    readonly onDidDrop: Event<DockviewDidDropEvent>;
    readonly onWillDrop: Event<DockviewWillDropEvent>;
    readonly onWillMutateLayout: Event<DockviewLayoutMutationEvent>;
    readonly onDidMutateLayout: Event<DockviewLayoutMutationEvent>;
    currentOrigin(): DockviewOrigin;
    withOrigin<T>(origin: DockviewOrigin, func: () => T): T;
    readonly onWillShowOverlay: Event<DockviewWillShowOverlayLocationEvent>;
    readonly onDidRemovePanel: Event<IDockviewPanel>;
    readonly onDidAddPanel: Event<IDockviewPanel>;
    readonly onDidLayoutFromJSON: Event<void>;
    readonly onDidActivePanelChange: Event<DockviewActivePanelChangeEvent>;
    readonly onWillDragPanel: Event<TabDragEvent>;
    readonly onWillDragGroup: Event<GroupDragEvent>;
    readonly onDidRemoveGroup: Event<DockviewGroupPanel>;
    readonly onDidAddGroup: Event<DockviewGroupPanel>;
    readonly onDidActiveGroupChange: Event<DockviewGroupPanel | undefined>;
    readonly onUnhandledDragOver: Event<DockviewDndOverlayEvent>;
    readonly onDidMovePanel: Event<MovePanelEvent>;
    readonly onDidMaximizedGroupChange: Event<DockviewMaximizedGroupChangeEvent>;
    readonly onDidPopoutGroupSizeChange: Event<PopoutGroupChangeSizeEvent>;
    readonly onDidPopoutGroupPositionChange: Event<PopoutGroupChangePositionEvent>;
    readonly onDidAddPopoutGroup: Event<PopoutGroup>;
    readonly onDidRemovePopoutGroup: Event<PopoutGroup>;
    readonly onDidOpenPopoutWindowFail: Event<void>;
    getPopouts(): PopoutGroup[];
    readonly onDidCreateTabGroup: Event<DockviewTabGroupChangeEvent>;
    readonly onDidDestroyTabGroup: Event<DockviewTabGroupChangeEvent>;
    readonly onDidAddPanelToTabGroup: Event<DockviewTabGroupPanelChangeEvent>;
    readonly onDidRemovePanelFromTabGroup: Event<DockviewTabGroupPanelChangeEvent>;
    readonly onDidTabGroupChange: Event<DockviewTabGroupChangeEvent>;
    readonly onDidTabGroupCollapsedChange: Event<DockviewTabGroupCollapsedChangeEvent>;
    readonly options: DockviewComponentOptions;
    readonly tabGroupColorPalette: TabGroupColorPalette;
    updateOptions(options: DockviewOptions): void;
    moveGroupOrPanel(options: MoveGroupOrPanelOptions): void;
    moveGroup(options: MoveGroupOptions): void;
    doSetGroupActive: (group: DockviewGroupPanel, skipFocus?: boolean) => void;
    removeGroup: (group: DockviewGroupPanel) => void;
    addPanel<T extends object = Parameters>(options: AddPanelOptions<T>): IDockviewPanel;
    removePanel(panel: IDockviewPanel): void;
    getGroupPanel: (id: string) => IDockviewPanel | undefined;
    createWatermarkComponent(): IWatermarkRenderer;
    addGroup(options?: AddGroupOptions): DockviewGroupPanel;
    closeAllGroups(): void;
    adjacentGroupInDirection(group: DockviewGroupPanel, direction: GroupNavigationDirection): DockviewGroupPanel | undefined;
    moveToNext(options?: MovementOptions): void;
    moveToPrevious(options?: MovementOptions): void;
    setActivePanel(panel: IDockviewPanel): void;
    focus(): void;
    toJSON(): SerializedDockview;
    fromJSON(data: SerializedDockview): void;
    addFloatingGroup(item: IDockviewPanel | DockviewGroupPanel, options?: FloatingGroupOptions): void;
    addPopoutGroup(item: IDockviewPanel | DockviewGroupPanel, options?: DockviewPopoutGroupOptions): Promise<boolean>;
    fromJSON(data: any, options?: {
        reuseExistingPanels: boolean;
    }): void;
    addEdgeGroup(position: EdgeGroupPosition, options: EdgeGroupOptions): DockviewGroupPanelApi;
    getEdgeGroup(position: EdgeGroupPosition): DockviewGroupPanelApi | undefined;
    setEdgeGroupVisible(position: EdgeGroupPosition, visible: boolean): void;
    isEdgeGroupVisible(position: EdgeGroupPosition): boolean;
    removeEdgeGroup(position: EdgeGroupPosition): void;
}
export declare class DockviewComponent extends BaseGrid<DockviewGroupPanel> implements IDockviewComponent, IFloatingGroupHost, IPopoutWindowHost, IWatermarkHost, IEdgeGroupServiceHost, ITabGroupChipsHost, IContextMenuHost, IRootDropTargetHost, IHeaderActionsHost, IAdvancedDnDHost, ILiveRegionHost, IAccessibilityHost {
    private readonly nextGroupId;
    private readonly _deserializer;
    private readonly _api;
    private readonly _moduleRegistry;
    private _options;
    private _tabGroupColorPalette;
    private _shellThemeClassnames;
    readonly overlayRenderContainer: OverlayRenderContainer;
    readonly popupService: PopupService;
    readonly rootDropTargetContainer: DropTargetAnchorContainer;
    private readonly _onWillDragPanel;
    readonly onWillDragPanel: Event<TabDragEvent>;
    private readonly _onWillDragGroup;
    readonly onWillDragGroup: Event<GroupDragEvent>;
    private readonly _onDidDrop;
    readonly onDidDrop: Event<DockviewDidDropEvent>;
    private readonly _onWillDrop;
    readonly onWillDrop: Event<DockviewWillDropEvent>;
    private _mutationDepth;
    private _origin;
    private _originDepth;
    private readonly _onWillMutateLayout;
    readonly onWillMutateLayout: Event<DockviewLayoutMutationEvent>;
    private readonly _onDidMutateLayout;
    readonly onDidMutateLayout: Event<DockviewLayoutMutationEvent>;
    private readonly _onWillShowOverlay;
    readonly onWillShowOverlay: Event<DockviewWillShowOverlayLocationEvent>;
    private readonly _onUnhandledDragOver;
    readonly onUnhandledDragOver: Event<DockviewDndOverlayEvent>;
    private readonly _onDidRemovePanel;
    readonly onDidRemovePanel: Event<IDockviewPanel>;
    private readonly _onDidAddPanel;
    readonly onDidAddPanel: Event<IDockviewPanel>;
    private readonly _onDidPopoutGroupSizeChange;
    readonly onDidPopoutGroupSizeChange: Event<PopoutGroupChangeSizeEvent>;
    private readonly _onDidPopoutGroupPositionChange;
    readonly onDidPopoutGroupPositionChange: Event<PopoutGroupChangePositionEvent>;
    private readonly _onDidAddPopoutGroup;
    readonly onDidAddPopoutGroup: Event<PopoutGroup>;
    private readonly _onDidRemovePopoutGroup;
    readonly onDidRemovePopoutGroup: Event<PopoutGroup>;
    private readonly _onDidOpenPopoutWindowFail;
    readonly onDidOpenPopoutWindowFail: Event<void>;
    private readonly _onDidLayoutFromJSON;
    readonly onDidLayoutFromJSON: Event<void>;
    private readonly _onDidActivePanelChange;
    readonly onDidActivePanelChange: Event<DockviewActivePanelChangeEvent>;
    private readonly _onDidMovePanel;
    readonly onDidMovePanel: Event<MovePanelEvent>;
    private readonly _onDidCreateTabGroup;
    readonly onDidCreateTabGroup: Event<DockviewTabGroupChangeEvent>;
    private readonly _onDidDestroyTabGroup;
    readonly onDidDestroyTabGroup: Event<DockviewTabGroupChangeEvent>;
    private readonly _onDidAddPanelToTabGroup;
    readonly onDidAddPanelToTabGroup: Event<DockviewTabGroupPanelChangeEvent>;
    private readonly _onDidRemovePanelFromTabGroup;
    readonly onDidRemovePanelFromTabGroup: Event<DockviewTabGroupPanelChangeEvent>;
    private readonly _onDidTabGroupChange;
    readonly onDidTabGroupChange: Event<DockviewTabGroupChangeEvent>;
    private readonly _onDidTabGroupCollapsedChange;
    readonly onDidTabGroupCollapsedChange: Event<DockviewTabGroupCollapsedChangeEvent>;
    fireDidCreateTabGroup(event: DockviewTabGroupChangeEvent): void;
    fireDidDestroyTabGroup(event: DockviewTabGroupChangeEvent): void;
    fireDidAddPanelToTabGroup(event: DockviewTabGroupPanelChangeEvent): void;
    fireDidRemovePanelFromTabGroup(event: DockviewTabGroupPanelChangeEvent): void;
    fireDidTabGroupChange(event: DockviewTabGroupChangeEvent): void;
    fireDidTabGroupCollapsedChange(event: DockviewTabGroupCollapsedChangeEvent): void;
    private readonly _onDidMaximizedGroupChange;
    readonly onDidMaximizedGroupChange: Event<DockviewMaximizedGroupChangeEvent>;
    private _shellManager;
    private _floatingOverlayHost;
    private _inShellLayout;
    private readonly _onDidRemoveGroup;
    readonly onDidRemoveGroup: Event<DockviewGroupPanel>;
    protected readonly _onDidAddGroup: Emitter<DockviewGroupPanel>;
    readonly onDidAddGroup: Event<DockviewGroupPanel>;
    private readonly _onDidOptionsChange;
    readonly onDidOptionsChange: Event<void>;
    private readonly _onDidActiveGroupChange;
    readonly onDidActiveGroupChange: Event<DockviewGroupPanel | undefined>;
    get orientation(): Orientation;
    get totalPanels(): number;
    get panels(): IDockviewPanel[];
    get options(): DockviewComponentOptions;
    get tabGroupColorPalette(): TabGroupColorPalette;
    get activePanel(): IDockviewPanel | undefined;
    get renderer(): DockviewPanelRenderer;
    get defaultHeaderPosition(): DockviewHeaderPosition;
    get api(): DockviewApi;
    get floatingGroups(): readonly DockviewFloatingGroupPanel[];
    /**
     * Boxes of the floating groups other than `exclude`, in coordinates
     * relative to the floating overlay container. Supplied to a
     * `transformFloatingGroupDrag` callback as `context.others` so it can
     * align the dragged float against its siblings.
     */
    private _gatherFloatingGroupBoxes;
    private get _floatingGroupService();
    private get _popoutWindowService();
    private get _watermarkService();
    private get _edgeGroupService();
    private get _rootDropTargetService();
    private get _advancedDnDService();
    get headerActionsService(): import("./headerActionsService").IHeaderActionsService | undefined;
    isGridEmpty(): boolean;
    rootDropTargetOverrideTarget(): import("../dnd/droptarget").DropTargetTargetModel | undefined;
    dispatchUnhandledDragOver(nativeEvent: DragEvent | PointerEvent, position: Position): boolean;
    fireWillDragPanel(event: TabDragEvent): void;
    fireWillDragGroup(event: GroupDragEvent): void;
    fireWillDrop(event: DockviewWillDropEvent): void;
    fireWillShowOverlay(event: DockviewWillShowOverlayLocationEvent): void;
    /**
     * Resolve the custom group drag ghost (via the AdvancedDnD module), or
     * `undefined` to fall back to the default chip. Returns `undefined` when
     * the module is absent — the default ghost then renders.
     */
    buildGroupDragGhost(group: DockviewGroupPanel): IDragGhostSpec | undefined;
    /**
     * Resolve the app-supplied drop overlay model (via the AdvancedDnD module)
     * for a group drop target, or `undefined` to keep the target's default.
     */
    resolveDropOverlayModel(location: DockviewGroupDropLocation, group?: DockviewGroupPanel): DroptargetOverlayModel | undefined;
    /** Outermost element — the shell (incl. edge groups) once built, else the gridview. */
    get rootElement(): HTMLElement;
    /**
     * The next / previous group in gridview (spatial) order, wrapping round.
     * The keyboard accessibility module's focus navigation is built on this
     * primitive — the only piece that needs the grid internals; the rest of
     * the navigation logic lives in the AccessibilityService.
     */
    adjacentGroup(group: DockviewGroupPanel, reverse: boolean): DockviewGroupPanel | undefined;
    /**
     * The nearest grid group in a spatial direction from `group`, by
     * comparing group centre points. Floating and popout groups sit outside
     * the grid's geometry and are ignored. Returns `undefined` when there is
     * no group in that direction.
     */
    adjacentGroupInDirection(group: DockviewGroupPanel, direction: GroupNavigationDirection): DockviewGroupPanel | undefined;
    showDropPreview(group: DockviewGroupPanel, position: Position): IDisposable;
    announce(message: string): void;
    dockPanel(panel: IDockviewPanel, group: DockviewGroupPanel, position: Position): void;
    get contextMenuService(): IContextMenuService | undefined;
    get mountElement(): HTMLElement;
    hasVisibleGridGroup(): boolean;
    fireLayoutChange(): void;
    /**
     * Promise that resolves when all popout groups from the last fromJSON call are restored.
     * Useful for tests that need to wait for delayed popout creation.
     */
    get popoutRestorationPromise(): Promise<void>;
    constructor(container: HTMLElement, options: DockviewComponentOptions);
    setVisible(panel: DockviewGroupPanel, visible: boolean): void;
    /**
     * Returns the {@link PopupService} that should host popovers (context
     * menus, tab overflow menus) for the given group. Popout groups have their
     * own service rooted in their popout window so the popover renders there
     * and dismisses on events from that window.
     */
    getPopupServiceForGroup(group: DockviewGroupPanel): PopupService;
    addPopoutGroup(itemToPopout: DockviewPanel | DockviewGroupPanel, options?: DockviewPopoutGroupOptionsInternal): Promise<boolean>;
    /** Enumerate the popout groups currently open in their own windows. */
    getPopouts(): PopoutGroup[];
    private _doAddPopoutGroup;
    /**
     * The popout window was blocked (e.g. by the browser's popup blocker —
     * common when restoring popouts on load). Fall back gracefully so the
     * group(s) end up valid and visible in the main grid rather than as
     * orphans that later crash clear()/remove().
     */
    private handleBlockedPopout;
    /**
     * Wire a group that has been displaced from a floating / popout window back
     * to the main grid's render & drop-target containers and dock it at the
     * root. The caller is responsible for first detaching it from its old
     * gridview — the detach strategy differs between the window-teardown path
     * (`doRemoveGroup`) and the blocked-window path (`gridview.remove`).
     */
    private redockGroupToMainGrid;
    /**
     * Teardown for a popout window's `popoutWindowDisposable`. Runs when the
     * window closes (by user, by `removeGroup`, or by component disposal):
     * relocates every member group back to the main grid (or to a floating
     * window when the anchor came from one), then disposes the nested gridview.
     * `closeResult.returnedGroup` is read by the entry's `dispose()` contract.
     */
    private disposePopoutWindow;
    addFloatingGroup(item: DockviewPanel | DockviewGroupPanel, options?: FloatingGroupOptionsInternal): void;
    private _doAddFloatingGroup;
    /**
     * Build an empty gridview configured to match the main grid's styling, for
     * hosting a nested layout inside a floating or popout window.
     */
    private createNestedGridview;
    /**
     * Wrap a (populated) floating gridview in an overlay window: title bar /
     * move handle, drag wiring, the floating-group service entry and the
     * `floating` location tag for every member group.
     */
    private mountFloatingWindow;
    private orthogonalize;
    updateOptions(options: Partial<DockviewComponentOptions>): void;
    layout(width: number, height: number, forceResize?: boolean | undefined): void;
    private _syncFloatingOverlayHost;
    private _layoutFromShell;
    protected forceRelayout(): void;
    addEdgeGroup(position: EdgeGroupPosition, options: EdgeGroupOptions): DockviewGroupPanelApi;
    getEdgeGroup(position: EdgeGroupPosition): DockviewGroupPanelApi | undefined;
    setEdgeGroupVisible(position: EdgeGroupPosition, visible: boolean): void;
    isEdgeGroupVisible(position: EdgeGroupPosition): boolean;
    removeEdgeGroup(position: EdgeGroupPosition): void;
    setEdgeGroupCollapsed(group: DockviewGroupPanel, collapsed: boolean): void;
    isEdgeGroupCollapsed(group: DockviewGroupPanel): boolean;
    private updateDragAndDropState;
    focus(): void;
    getGroupPanel(id: string): IDockviewPanel | undefined;
    setActivePanel(panel: IDockviewPanel): void;
    moveToNext(options?: MovementOptions): void;
    moveToPrevious(options?: MovementOptions): void;
    /**
     * Serialize the current state of the layout
     *
     * @returns A JSON respresentation of the layout
     */
    toJSON(): SerializedDockview;
    fromJSON(data: SerializedDockview, options?: {
        reuseExistingPanels: boolean;
    }): void;
    private _doFromJSON;
    /**
     * Rebuild a floating / popout window's nested gridview from its serialized
     * tree, collecting the member groups (in deserialization order) so the
     * caller can mount or restore the window.
     */
    private deserializeNestedGridview;
    private deserializeEdgeGroups;
    private deserializeFloatingWindows;
    private deserializePopoutWindows;
    clear(): void;
    private _doClear;
    closeAllGroups(): void;
    addPanel<T extends object = Parameters>(options: AddPanelOptions<T>): DockviewPanel;
    private _doAddPanel;
    removePanel(panel: IDockviewPanel, options?: {
        removeEmptyGroup: boolean;
        skipDispose?: boolean;
        skipSetActiveGroup?: boolean;
    }): void;
    private _doRemovePanel;
    createWatermarkComponent(): IWatermarkRenderer;
    addGroup(options?: AddGroupOptions): DockviewGroupPanel;
    private _doAddGroup;
    private getLocationOrientation;
    removeGroup(group: DockviewGroupPanel, options?: {
        skipActive?: boolean;
        skipDispose?: boolean;
        skipPopoutAssociated?: boolean;
        skipPopoutReturn?: boolean;
    } | undefined): void;
    /**
     * Detach a single group from the nested gridview of its floating / popout
     * window, keeping the window and its remaining members alive, and reassign
     * the window's anchor if the detached group was it.
     *
     * @returns `true` if the group was detached from a multi-member window;
     * `false` if `group` is not in a nested window, or is the window's only
     * member — in which case the caller is responsible for disposing the whole
     * window.
     */
    private detachFromNestedWindow;
    /**
     * Dispose a group and forget it: remove it from `_groups` and fire the
     * removed event.
     */
    private disposeGroupRecord;
    /**
     * When `removed` was the active group, fall the active selection back to
     * the first remaining group (or clear it when none remain).
     */
    private activateFallbackGroupIfRemoved;
    protected doRemoveGroup(group: DockviewGroupPanel, options?: {
        skipActive?: boolean;
        skipDispose?: boolean;
        skipPopoutAssociated?: boolean;
        skipPopoutReturn?: boolean;
    } | undefined): DockviewGroupPanel;
    private _moving;
    private _updatePositionsFrameId;
    private debouncedUpdateAllPositions;
    movingLock<T>(func: () => T): T;
    /**
     * Bracket a structural mutation with `onWillMutateLayout` /
     * `onDidMutateLayout`. Re-entrant: nested calls (a compound operation such
     * as a drag that relocates a panel) join the outermost transaction, so the
     * events fire exactly once around the whole operation. `kind` reflects the
     * outermost mutation.
     */
    mutation<T>(kind: DockviewLayoutMutationKind, func: () => T): T;
    /**
     * The origin of the operation currently in progress (`'user'` by default).
     * Read inside a `mutation()` or active-panel change to learn whether the
     * change was driven by application code (via the {@link DockviewApi}) or a
     * user gesture.
     */
    currentOrigin(): DockviewOrigin;
    /**
     * Run `func` with the operation origin set to `origin`, restoring the
     * previous value afterwards. Used by the DockviewApi boundary to tag
     * programmatic operations as `'api'`, and by user-gesture handlers to tag
     * `'user'`. Only the outermost caller sets the origin — a nested call (or a
     * call made while a mutation is already in flight) keeps whatever the
     * enclosing operation established, so the trigger always wins.
     */
    withOrigin<T>(origin: DockviewOrigin, func: () => T): T;
    /**
     * Fire `onDidActivePanelChange` with the panel and the current operation
     * {@link DockviewOrigin}. Callers keep their own dedupe guards.
     */
    private fireActivePanelChange;
    moveGroupOrPanel(options: MoveGroupOrPanelOptions): void;
    private _doMoveGroupOrPanel;
    private moveTabGroupToGroup;
    moveGroup(options: MoveGroupOptions): void;
    maximizeGroup(panel: DockviewGroupPanel): void;
    exitMaximizedGroup(): void;
    private _doMoveGroup;
    doSetGroupActive(group: DockviewGroupPanel | undefined): void;
    doSetGroupAndPanelActive(group: DockviewGroupPanel | undefined): void;
    private getNextGroupId;
    createGroup(options?: GroupOptions): DockviewGroupPanel;
    private createPanel;
    private createGroupAtLocation;
    /**
     * Tag a group with the location and render / drop-target containers
     * matching the gridview root it now lives in: the main grid, a floating
     * window (shares the main containers), or a popout window (uses its own
     * window-local containers).
     */
    private setGroupLocationForRoot;
    /**
     * Resolve which gridview root currently owns a group: the main grid, or
     * the nested gridview of the floating / popout window it lives in.
     */
    getGridviewForGroup(group: DockviewGroupPanel): Gridview;
    /**
     * The groups that live within the same floating / popout window as `group`
     * (including `group` itself). Empty when `group` is in the main grid.
     */
    private nestedWindowMembers;
    private findGroup;
    private orientationAtLocation;
    private updateTheme;
}
export {};