import type { RuntimeContext } from '../runtime/types';
import type { Element, IPointerEvent, State } from '../types';
import type { ShortcutKey } from '../utils/shortcut';
import type { BaseBehaviorOptions } from './base-behavior';
import { BaseBehavior } from './base-behavior';
/**
 * <zh/> 点击元素交互配置项
 *
 * <en/> Click element behavior options
 */
export interface ClickSelectOptions extends BaseBehaviorOptions {
    /**
     * <zh/> 是否启用动画
     *
     * <en/> Whether to enable animation
     * @defaultValue true
     */
    animation?: boolean;
    /**
     * <zh/> 是否启用点击元素的功能
     *
     * <en/> Whether to enable the function of clicking the element
     * @defaultValue true
     * @remarks
     * <zh/> 可以通过函数的方式动态控制是否启用，例如只有节点被选中时才启用。
     *
     * <en/> Whether to enable can be dynamically controlled by functions, such as only when nodes are selected.
     *
     * ```json
     * { enable: event => event.targetType === 'node'}
     * ```
     */
    enable?: boolean | ((event: IPointerEvent) => boolean);
    /**
     * <zh/> 是否允许多选
     *
     * <en/> Whether to allow multiple selection
     * @defaultValue false
     */
    multiple?: boolean;
    /**
     * <zh/> 按下该快捷键配合鼠标点击进行多选
     *
     * <en/> Press this shortcut key to apply multiple selection with mouse click
     * @defaultValue ['shift']
     */
    trigger?: ShortcutKey;
    /**
     * <zh/> 当元素被选中时应用的状态
     *
     * <en/> The state to be applied when an element is selected
     * @defaultValue 'selected'
     */
    state?: State;
    /**
     * <zh/> 当有元素选中时，其相邻 n 度关系的元素应用的状态。n 的值由属性 degree 控制，例如 degree 为 1 时表示直接相邻的元素
     *
     * <en/> The state to be applied to the neighboring elements within n degrees when an element is selected. The value of n is controlled by the degree property, for instance, a degree of 1 indicates direct neighbors
     * @defaultValue 'selected'
     */
    neighborState?: State;
    /**
     * <zh/> 当有元素被选中时，除了选中元素及其受影响的邻居元素外，其他所有元素应用的状态。
     *
     * <en/> The state to be applied to all unselected elements when some elements are selected, excluding the selected element and its affected neighbors
     */
    unselectedState?: State;
    /**
     * <zh/> 选中元素的度，即决定了影响范围
     *
     * <en/> The degree to determine the scope of influence
     * @defaultValue 0
     * @remarks
     * <zh/> 对于节点来说，`0` 表示只选中当前节点，`1` 表示选中当前节点及其直接相邻的节点和边，以此类推。
     *
     * <zh/> 对于边来说，`0` 表示只选中当前边，`1` 表示选中当前边及其直接相邻的节点，以此类推。
     *
     * <en/> For nodes, `0` means only the current node is selected, `1` means the current node and its directly adjacent nodes and edges are selected, etc.
     *
     * <en/> For edges, `0 `means only the current edge is selected,`1` means the current edge and its directly adjacent nodes are selected, etc.
     */
    degree?: number | ((event: IPointerEvent) => number);
    /**
     * <zh/> 点击元素时的回调
     *
     * <en/> Callback when the element is clicked
     * @param event - <zh/> 点击事件 | <en/> click event
     */
    onClick?: (event: IPointerEvent) => void;
}
/**
 * <zh/> 点击元素
 *
 * <en/> Click Element
 * @remarks
 * <zh/> 当鼠标点击元素时，可以激活元素的状态，例如选中节点或边。当 degree 设置为 `1` 时，点击节点会高亮当前节点及其直接相邻的节点和边。
 *
 * <en/> When the mouse clicks on an element, you can activate the state of the element, such as selecting nodes or edges. When the degree is 1, clicking on a node will highlight the current node and its directly adjacent nodes and edges.
 */
export declare class ClickSelect extends BaseBehavior<ClickSelectOptions> {
    private shortcut;
    static defaultOptions: Partial<ClickSelectOptions>;
    constructor(context: RuntimeContext, options: ClickSelectOptions);
    private bindEvents;
    private onClickSelect;
    private onClickCanvas;
    private get isMultipleSelect();
    protected getNeighborIds(event: IPointerEvent<Element>): string[];
    private updateState;
    private getDataStates;
    /**
     * <zh/> 获取需要清除的状态
     *
     * <en/> Get the states that need to be cleared
     * @param complete - <zh/> 是否返回所有状态 | <en/> Whether to return all states
     * @returns - <zh/> 需要清除的状态 | <en/> States that need to be cleared
     */
    private getClearStates;
    private clearState;
    private validate;
    private unbindEvents;
    destroy(): void;
}