export type PanelSizeTuple = [number, number];
export type PanelLayoutMap = Record<string, number>;
export declare const DEFAULT_PANEL_SIZES: PanelSizeTuple;
export declare const DEFAULT_EXPAND_THRESHOLD = 85;
export declare function normalizePanelSizes(sizes: readonly [number, number] | undefined): PanelSizeTuple;
export declare function toResizablePercentageSize(size: number): string;
export declare function toResizableMinSize(minWidth: number | string | undefined): string | undefined;
export declare function layoutMapToTuple(layout: PanelLayoutMap): PanelSizeTuple;
export declare function getExpandedPanelFromLayout(layout: PanelLayoutMap, threshold?: number): number | null;