export declare const getElementByRole: (element: Element, role: string) => Element;
export declare const flexWidth: (width: number) => {
    width: number;
    'min-width': number;
    'max-width': number;
};
export declare const banDrag: () => void;
export declare const recoverDrag: () => void;
export declare const fps: (fn: FrameRequestCallback) => number;
export declare const timeout: (cb: () => void, time: number) => Promise<unknown>;
export declare const fpsPromise: <T>(fn: () => T) => Promise<unknown>;
export declare const runByFps: (count: number) => (fb: () => void) => Promise<void>;
export declare const fixStyle: (styleObject: {
    top?: number;
    width?: number;
    height?: number;
    left?: number;
    transform?: number;
    'line-height'?: number;
}) => Record<string, string>;
export declare const getElementCenterPoint: (element: Element) => {
    x: number;
    y: number;
};