import { BaseNodeModel, Model } from '@logicflow/core';
import BoxBoundsPoint = Model.BoxBoundsPoint;
/**
 *
 * @param bounds
 * @param group
 */
export declare function isBoundsInGroup(bounds: BoxBoundsPoint, group: BaseNodeModel): boolean;
/**
 * 判断 bounds 是否可以移动到下一个范围
 * @param groupBounds
 * @param node
 * @param deltaX
 * @param deltaY
 */
export declare function isAllowMoveTo(groupBounds: BoxBoundsPoint, node: BaseNodeModel, deltaX: number, deltaY: number): {
    x: boolean;
    y: boolean;
};
/**
 * 计算直接子节点的 bounds 并集。
 * 无有效子节点时返回 null。
 */
export declare function getChildrenBounds(groupModel: {
    children?: Set<string>;
}, getNodeById: (id: string) => BaseNodeModel | undefined): BoxBoundsPoint | null;
/**
 * 判断 groupBounds 是否完全包含 childrenBounds。
 */
export declare function isGroupBoundsContainsChildren(groupBounds: BoxBoundsPoint, childrenBounds: BoxBoundsPoint): boolean;
/** 折叠按钮距节点顶边/左边的默认 inset，与 node.getOperateIcon 一致 */
export declare const DG_OPERATE_INSET = 10;
/** @deprecated 使用 DG_OPERATE_INSET */
export declare const DG_OPERATE_INSET_TOP = 10;
export declare const DG_OPERATE_BTN_WIDTH = 14;
export declare const DG_OPERATE_BTN_HEIGHT = 12;
/** 左对齐时推荐用于避开 operator 的 wrapPadding.left（inset + btn + inset） */
export declare const DG_TITLE_LEFT_CLEARANCE: number;
export declare const DEFAULT_TITLE_WRAP_PADDING = "0,0,0,0";
export declare const DEFAULT_TITLE_TEXT_ALIGN = "center";
export type TitleBand = {
    bandLeft: number;
    bandTop: number;
    bandWidth: number;
    bandHeight: number;
};
export type TitleForeignObjectRect = {
    foX: number;
    foY: number;
    foWidth: number;
    foHeight: number;
};
export declare function getTitleBand(options: {
    x: number;
    y: number;
    width: number;
    height: number;
}): TitleBand;
export declare function resolveTitleTextPosition(options: {
    x: number;
    y: number;
    width: number;
    height: number;
    textAlign: string;
    pad: ReturnType<typeof parseWrapPadding>;
}): {
    x: number;
    y: number;
};
export declare function getTitleForeignObjectRect(options: {
    x: number;
    y: number;
    width: number;
    height: number;
    overflowMode: 'autoWrap' | 'ellipsis';
    fontSize: number;
    pad: ReturnType<typeof parseWrapPadding>;
}): TitleForeignObjectRect;
export declare function parseWrapPadding(padding?: string | number | null): {
    top: number;
    right: number;
    bottom: number;
    left: number;
};
export declare function textAlignToAnchor(textAlign?: string): 'start' | 'middle' | 'end';
export declare function isHtmlTextOverflow(overflowMode?: string): boolean;
/** LogicFlow 存储格式 `15,8,4,8` → CSS padding `15px 8px 4px 8px` */
export declare function formatWrapPaddingCss(padding?: string | number | null): string;