import type { Rect } from "../../events/manager/types.js";
export type TFlexDirection = "row" | "column";
export type TFlexAlign = "start" | "center" | "end" | "stretch";
export type TFlexJustify = "start" | "center" | "end" | "space-between";
export type TFlexAlignContent = "start" | "center" | "end" | "space-between" | "stretch";
export type TFlexSize = number | string;
export type TFlexMeasureConstraints = Readonly<{
    maxWidth: number;
    maxHeight: number;
    direction: TFlexDirection;
}>;
export type TFlexMeasureResult = Readonly<{
    width?: number;
    height?: number;
    w?: number;
    h?: number;
}>;
export type TFlexMeasure = (constraints: TFlexMeasureConstraints) => TFlexMeasureResult;
export type TFlexItemSlotProps = Readonly<{
    rect: Rect;
}>;
export type BoxEdges = Readonly<{
    top: number;
    right: number;
    bottom: number;
    left: number;
}>;
export type FlexLayoutInputItem = Readonly<{
    grow: number;
    shrink: number;
    basis: TFlexSize | undefined;
    width: TFlexSize | undefined;
    height: TFlexSize | undefined;
    minWidth: TFlexSize | undefined;
    minHeight: TFlexSize | undefined;
    maxWidth: TFlexSize | undefined;
    maxHeight: TFlexSize | undefined;
    measure: TFlexMeasure | undefined;
    measureCache: Map<string, {
        main: number | undefined;
        cross: number | undefined;
    }> | undefined;
    marginTop: number;
    marginRight: number;
    marginBottom: number;
    marginLeft: number;
    alignSelf: TFlexAlign | undefined;
}>;
export type FlexLayoutItem<TItem extends FlexLayoutInputItem = FlexLayoutInputItem> = Readonly<{
    item: TItem;
    rect: Rect;
}>;
export declare function normalizeCellCount(value: unknown, fallback?: number): number;
export declare function normalizeOptionalCellCount(value: unknown): number | undefined;
export declare function normalizeRatio(value: unknown, fallback: number): number;
export declare function layoutFlexItems<TItem extends FlexLayoutInputItem>(items: readonly TItem[], options: Readonly<{
    w: number;
    h: number;
    direction: TFlexDirection;
    mainGap: number;
    crossGap: number;
    padding: BoxEdges;
    alignItems: TFlexAlign;
    justifyContent: TFlexJustify;
    alignContent: TFlexAlignContent;
    wrap: boolean;
}>): FlexLayoutItem<TItem>[];