import { MeasureInWindowOnSuccessCallback, MeasureOnSuccessCallback } from "react-native";
export declare const UIManager: {
    blur(node: HTMLElement): void;
    focus(node: HTMLElement): void;
    measure(node: HTMLElement, callback: MeasureOnSuccessCallback): void;
    measureInWindow(node: HTMLElement, callback: MeasureInWindowOnSuccessCallback): void;
    measureLayout(node: HTMLElement, relativeToNativeNode: HTMLElement, onFail: Function, onSuccess: MeasureOnSuccessCallback): void;
    normalizeRef: (hostNode: any) => void;
};