import { ComponentInternalInstance } from 'vue';
export type ScrollIntoViewPosition = 'start' | 'center' | 'end' | 'nearest';
export interface ScrollIntoViewValueOptions {
    position?: ScrollIntoViewPosition;
    startOffset?: number;
    endOffset?: number;
}
export interface ScrollIntoViewOptions {
    position?: ScrollIntoViewPosition;
    startOffset?: number;
    endOffset?: number;
    duration?: number;
}
/**
```
                      page
                     ╱
    ╭───────────────╮    viewport
  ╭─│─ ─ ─ ─ ─ ─ ─ ─│─╮ ╱
  │ │ ╭───────────╮ │ │
  │ │ │  element  │ │ │
  │ │ ╰───────────╯ │ │
  ╰─│─ ─ ─ ─ ─ ─ ─ ─│─╯
    │               │
    │               │
    ╰───────────────╯
```

# 参数
- viewportHeight: viewport 高度
- viewportScrollTop: viewport 垂直滚动值
- elementHeight: element 高度
- elementOffsetTop: element 距离页面顶部距离

# 选项
- position: element 在视窗中的位置(start, center, end, nearest)
- startOffset: element 距离视窗顶部的偏移量
- endOffset: element 距离视窗底部的偏移量

# 结果值
- viewportScrollTop: viewport 新的垂直滚动值

*/
export declare function getScrollIntoViewValue(viewportHeight: number, viewportScrollTop: number, elementHeight: number, elementOffsetTop: number, options?: ScrollIntoViewValueOptions): number;
export interface NodeRect {
    top: number;
    right: number;
    bottom: number;
    left: number;
    height: number;
    width: number;
}
/**
 * uni boundingClientRect的 Promise 版本
 * @param selector 组件选择器
 * @param instance 父组件实例
 * @returns Promise<NodeRect>
 */
export declare function getBoundingClientRect(selector: string, instance: ComponentInternalInstance | null): Promise<NodeRect>;
/**
 * 获取可使用窗口尺寸
 * @returns Promise<{width: number; height: number}>
 */
export declare function getViewportSize(): Promise<{
    width: number;
    height: number;
}>;
export interface ViewportScrollInfo {
    scrollLeft: number;
    scrollTop: number;
}
/**
 * 获取可使用窗口尺寸、滚动信息
 */
export declare function getViewportScrollInfo(): Promise<ViewportScrollInfo>;
interface MatchScrollVisibleOptions {
    offset?: number;
    errorValue?: number;
}
/**
 * @description: 匹配元素列表中第一个位于滚动盒子可视区域的元素
 */
export declare function matchScrollVisible(rects: NodeRect[], callback: (index: number) => unknown, options?: MatchScrollVisibleOptions): Promise<unknown>;
export declare function toTouchEvent(event: MouseEvent | TouchEvent, windowTop: number): TouchEvent | {
    touches: {
        clientX: number;
        clientY: number;
    }[];
    altKey: boolean;
    button: number;
    buttons: number;
    clientX: number;
    clientY: number;
    ctrlKey: boolean;
    metaKey: boolean;
    movementX: number;
    movementY: number;
    offsetX: number;
    offsetY: number;
    pageX: number;
    pageY: number;
    relatedTarget: EventTarget | null;
    screenX: number;
    screenY: number;
    shiftKey: boolean;
    x: number;
    y: number;
    getModifierState(keyArg: string): boolean;
    initMouseEvent(typeArg: string, canBubbleArg: boolean, cancelableArg: boolean, viewArg: Window, detailArg: number, screenXArg: number, screenYArg: number, clientXArg: number, clientYArg: number, ctrlKeyArg: boolean, altKeyArg: boolean, shiftKeyArg: boolean, metaKeyArg: boolean, buttonArg: number, relatedTargetArg: EventTarget | null): void;
    detail: number;
    view: Window | null;
    which: number;
    initUIEvent(typeArg: string, bubblesArg?: boolean | undefined, cancelableArg?: boolean | undefined, viewArg?: Window | null | undefined, detailArg?: number | undefined): void;
    bubbles: boolean;
    cancelBubble: boolean;
    cancelable: boolean;
    composed: boolean;
    currentTarget: EventTarget | null;
    defaultPrevented: boolean;
    eventPhase: number;
    isTrusted: boolean;
    returnValue: boolean;
    srcElement: EventTarget | null;
    target: EventTarget | null;
    timeStamp: number;
    type: string;
    composedPath(): EventTarget[];
    initEvent(type: string, bubbles?: boolean | undefined, cancelable?: boolean | undefined): void;
    preventDefault(): void;
    stopImmediatePropagation(): void;
    stopPropagation(): void;
    NONE: 0;
    CAPTURING_PHASE: 1;
    AT_TARGET: 2;
    BUBBLING_PHASE: 3;
};
export {};