export declare function initTpImg(): HTMLImageElement;
export declare function getTpImg(): HTMLImageElement;
export declare function getPropClass(property: any, params: any): any;
export declare function isPx(val: any): any;
export declare function isScale(val: any): any;
export declare function hasClass(elem: any, cls: any): any;
export declare function removeClass(elem: any, cls: any): void;
export declare function addClass(elem: any, cls: string): void;
export declare function hasControlKey(evnt: KeyboardEvent | MouseEvent | DragEvent): boolean;
export declare function toCssUnit(val?: number | string, unit?: string): string;
export declare function queryElement(elem: HTMLTableCellElement, selector: string): HTMLElement | null;
export declare function getDomNode(): {
    scrollTop: number;
    scrollLeft: number;
    visibleHeight: number;
    visibleWidth: number;
};
export declare function getOffsetHeight(elem?: HTMLElement): number;
export declare function getPaddingTopBottomSize(elem: HTMLElement): number;
export declare function setScrollTop(elem: HTMLElement | null | undefined, scrollTop: number): void;
export declare function setScrollLeft(elem: HTMLElement | null | undefined, scrollLeft: number): void;
export declare function updateCellTitle(overflowElem: any, column: any): void;
export declare function checkTargetElement(target: HTMLElement | EventTarget | null, exEls: (HTMLElement | null)[], endEl?: HTMLElement | EventTarget | null): boolean;
/**
 * 检查触发源是否属于目标节点
 */
export declare function getEventTargetNode(evnt: any, container: any, queryCls?: string, queryMethod?: (target: Element) => boolean): {
    flag: boolean;
    container: any;
    targetElem: any;
} | {
    flag: boolean;
    container?: undefined;
    targetElem?: undefined;
};
/**
 * 获取元素相对于 document 的位置
 */
export declare function getOffsetPos(elem: any, container: any): any;
export declare function getAbsolutePos(elem: any): {
    boundingTop: any;
    top: any;
    boundingLeft: any;
    left: any;
    visibleHeight: number;
    visibleWidth: number;
};
export declare function hasEventInputTarget(target: EventTarget | Element | null): boolean | "";
export declare function hasAxternalInputTarget(target: EventTarget | Element | null): boolean;
export declare function scrollToView(elem: any): void;
export declare function triggerEvent(targetElem: Element, type: string): void;
export declare function isNodeElement(elem: any): elem is HTMLElement;
export declare function scrollTopTo(diffNum: number, cb: (progress: number) => void): void;
export declare function wheelScrollLeftTo(scrollLeft: number, cb: (offsetLeft: number) => void): void;
export declare function wheelScrollTopTo(diffNum: number, cb: (progress: number) => void): void;
interface PanelPlacementOptions {
    defaultTop?: number;
    defaultLeft?: number;
    placement?: '' | 'top' | 'bottom' | null;
    defaultPlacement?: '' | 'top' | 'bottom' | null;
    appendTo?: string | HTMLElement | ((params: any) => string | HTMLElement);
    teleportTo?: boolean;
    marginSize?: number;
    isMinWidth?: boolean;
}
/**
 * 通用定位计算
 */
export declare function updatePanelPlacement(targetElem: HTMLElement | null | undefined, panelElem: HTMLElement | null | undefined, options: PanelPlacementOptions): {
    top: number;
    bottom: number;
    left: number;
    arrowLeft: number;
    style: Record<string, string>;
    placement: "top" | "bottom";
};
export declare function getPopupWrapperElement(panelElem: HTMLElement | null | undefined): HTMLElement | null;
export declare function getPopupContainer(appendTo: string | HTMLElement | ((params: any) => string | HTMLElement) | undefined): string | HTMLElement;
export declare function getPopupAppendElement(appendTo: string | HTMLElement | ((params: any) => string | HTMLElement) | undefined): HTMLElement;
export {};