/**
 * ZUI Stack Component
 * Arranges children in a line (vertical or horizontal)
 */
import { LayoutComponent, LayoutComponentProps } from '../core/Component';
import type { Rect, Direction, Alignment, JustifyContent, Size, PaddingInput } from '../core/types';
export interface StackProps extends LayoutComponentProps {
    /** Stack direction */
    direction?: Direction;
    /** Spacing between children */
    spacing?: number;
    /** Cross-axis alignment */
    alignment?: Alignment;
    /** Main-axis content distribution */
    justifyContent?: JustifyContent;
    /** Container width */
    width?: Size;
    /** Container height */
    height?: Size;
    /** Internal padding */
    padding?: PaddingInput;
}
/**
 * Stack component for arranging children in a line
 *
 * @example
 * ```ts
 * // Vertical stack
 * const vstack = new Stack({
 *   direction: 'vertical',
 *   spacing: 8,
 *   alignment: 'center',
 *   children: [
 *     new Text({ text: 'Item 1' }),
 *     new Text({ text: 'Item 2' }),
 *     new Text({ text: 'Item 3' }),
 *   ],
 * });
 *
 * // Horizontal stack
 * const hstack = new Stack({
 *   direction: 'horizontal',
 *   spacing: 16,
 *   justifyContent: 'space-between',
 *   children: [
 *     new Button({ label: 'Cancel' }),
 *     new Button({ label: 'OK' }),
 *   ],
 * });
 * ```
 */
export declare class Stack extends LayoutComponent<StackProps> {
    readonly type = "Stack";
    protected getDefaultProps(): Partial<StackProps>;
    protected calculateLayout(parentRect?: Rect): void;
    protected createWidgets(): void;
    protected updateWidgets(): void;
    protected destroyWidgets(): void;
}
/**
 * Create a Stack component
 */
export declare function createStack(props: StackProps): Stack;
/**
 * Create a vertical Stack (VStack)
 */
export declare function VStack(props: Omit<StackProps, 'direction'>): Stack;
/**
 * Create a horizontal Stack (HStack)
 */
export declare function HStack(props: Omit<StackProps, 'direction'>): Stack;
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