import type { Group } from '../shapes/Group';
export interface LayoutOptions {
    columns?: number;
    gap?: number;
    padding?: number;
    direction?: 'row' | 'column';
    align?: 'start' | 'center' | 'end' | 'stretch';
    justify?: 'start' | 'center' | 'end' | 'space-between' | 'space-around';
    wrap?: boolean;
    /** Main-axis container size (width for row, height for column). */
    width?: number;
    height?: number;
}
/** Flex layout with wrap, align, and justify. */
export declare function flexLayout(group: Group, options?: LayoutOptions): void;
/** Grid layout */
export declare function gridLayout(group: Group, options?: LayoutOptions): void;
/** Stack layout (vertical or horizontal) */
export declare function stackLayout(group: Group, options?: LayoutOptions): void;
/** Flex-like layout — full flexbox implementation */
/** Flow layout - wrap items */
export declare function flowLayout(group: Group, options?: LayoutOptions): void;
/** Circular layout */
export declare function circularLayout(group: Group, cx: number, cy: number, radius: number): void;
/** Tree layout — parents centered over their children (org-chart style). */
export declare function treeLayout(group: Group, levelGap?: number, siblingGap?: number): void;
/** Auto-align children */
export declare function alignChildren(group: Group, alignment: 'left' | 'center' | 'right' | 'top' | 'middle' | 'bottom'): void;
/** Distribute spacing evenly */
export declare function distributeSpacing(group: Group, axis: 'x' | 'y'): void;
export declare const Layout: {
    grid: typeof gridLayout;
    stack: typeof stackLayout;
    flex: typeof flexLayout;
    flow: typeof flowLayout;
    circular: typeof circularLayout;
    tree: typeof treeLayout;
    align: typeof alignChildren;
    distribute: typeof distributeSpacing;
};