/** @packageDocumentation
 * @module Base
 */
import type { HorizontalPanelSide, PanelSide, VerticalPanelSide } from "../widget-panels/Panel";
import type { NineZoneState } from "./NineZoneState";
import type { WidgetState } from "./WidgetState";
/** @internal */
export type PanelMaxSizeState = number | {
    readonly percentage: number;
};
/** @internal */
export interface PanelState {
    readonly collapseOffset: number;
    readonly collapsed: boolean;
    readonly maxSize: PanelMaxSizeState;
    readonly minSize: number;
    readonly pinned: boolean;
    readonly resizable: boolean;
    readonly side: PanelSide;
    readonly size: number | undefined;
    readonly widgets: ReadonlyArray<WidgetState["id"]>;
    readonly maxWidgetCount: number;
    readonly splitterPercent: number | undefined;
}
/** @internal */
export interface HorizontalPanelState extends PanelState {
    readonly span: boolean;
    readonly side: HorizontalPanelSide;
}
/** @internal */
export interface VerticalPanelState extends PanelState {
    readonly side: VerticalPanelSide;
}
/** @internal */
export interface PanelsState {
    readonly bottom: HorizontalPanelState;
    readonly left: VerticalPanelState;
    readonly right: VerticalPanelState;
    readonly top: HorizontalPanelState;
}
/** @internal */
export declare function isHorizontalPanelState(state: PanelState): state is HorizontalPanelState;
/** @internal */
export declare function getWidgetPanelSectionId(side: PanelSide, panelSectionIndex: number): string;
/** @internal */
export declare function addPanelWidget(state: NineZoneState, side: PanelSide, id: WidgetState["id"], tabs: WidgetState["tabs"], widgetArgs?: Partial<WidgetState>): NineZoneState;
/** @internal */
export declare function insertPanelWidget(state: NineZoneState, side: PanelSide, id: WidgetState["id"], tabs: WidgetState["tabs"], sectionIndex: number, widgetArgs?: Partial<WidgetState>): NineZoneState;
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