bc518174
 王天杨
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import { MutableRefObject } from 'react';
/**
* creates a MutableRef with ref change callback
* @param initialValue - initial ref value
* @param {Function} callback - a callback to run when value changes
*
* @example
* const ref = useCallbackRef(0, (newValue, oldValue) => console.log(oldValue, '->', newValue);
* ref.current = 1;
* // prints 0 -> 1
*
* @see https://reactjs.org/docs/hooks-reference.html#useref
* @see https://github.com/theKashey/use-callback-ref#usecallbackref---to-replace-reactuseref
* @returns {MutableRefObject}
*/
export declare function useCallbackRef<T>(initialValue: T | null, callback: (newValue: T | null, lastValue: T | null) => void): MutableRefObject<T | null>;
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