/** @packageDocumentation
 * @module Base
 */
import { type IconSpec, type SizeProps } from "@itwin/core-react";
import type { PanelSide } from "../widget-panels/Panel";
import type { NineZoneState } from "./NineZoneState";
import { type WidgetState } from "./WidgetState";
import { type XAndY } from "./internal/NineZoneStateHelpers";
import { type PanelWidgetRestoreState } from "./WidgetRestoreState";
/** `WidgetDef` is equivalent structure in `appui-react`.
 * @internal
 */
export interface TabState {
    readonly id: string;
    readonly label: string;
    readonly iconSpec?: IconSpec;
    readonly preferredFloatingWidgetSize?: SizeProps;
    readonly preferredPanelWidgetSize?: "fit-content";
    readonly allowedPanelTargets?: ReadonlyArray<PanelSide>;
    readonly canPopout?: boolean;
    readonly userSized?: boolean;
    readonly isFloatingWidgetResizable?: boolean;
    readonly hideWithUiWhenFloating?: boolean;
    readonly unloaded?: boolean;
}
/** @internal */
export interface TabsState {
    readonly [id: string]: TabState;
}
/** @internal */
export interface DraggedTabState {
    readonly tabId: TabState["id"];
    readonly position: XAndY;
    readonly home: PanelWidgetRestoreState;
}
/** Adds a new `tab`.
 * @internal
 */
export declare function addTab(state: NineZoneState, id: TabState["id"], tabArgs?: Partial<TabState>): NineZoneState;
/** Adds an existing `tab` to a specified `widget`.
 * @internal
 */
export declare function addTabToWidget(state: NineZoneState, tabId: TabState["id"], widgetId: WidgetState["id"]): NineZoneState;
/** Inserts an existing `tab` to a specified `widget` at a specified `tabIndex`.
 * @internal
 */
export declare function insertTabToWidget(state: NineZoneState, tabId: TabState["id"], widgetId: WidgetState["id"], tabIndex: number): NineZoneState;
/** Removes tab from the UI, but keeps the tab state.
 * @internal
 */
export declare function removeTabFromWidget(state: NineZoneState, tabId: TabState["id"]): NineZoneState;
/** Removes tab from the UI and deletes the tab state.
 * @internal
 */
export declare function removeTab(state: NineZoneState, tabId: TabState["id"]): NineZoneState;
/** Adds removed tab to the UI.
 * @internal
 */
export declare function addRemovedTab(state: NineZoneState, tabId: TabState["id"]): NineZoneState;
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