import { Logger } from '@acoustic-content-sdk/api';
import { MonoTypeOperatorFunction, UnaryFunction } from 'rxjs';
/**
 * Serializes the differences between two JSON objects
 *
 * @param aOld - old object
 * @param aNew - new objects
 * @param aSameStyle - styling callback for identical style
 * @param aNewStyle - styling callback for new style
 * @param aDeletedStyle - styling callback for deleted style
 *
 * @returns the serialized string
 */
export declare function serializeDiff(aOld: any, aNew: any, aSameStyle?: UnaryFunction<string, string>, aNewStyle?: UnaryFunction<string, string>, aDeletedStyle?: UnaryFunction<string, string>): string;
export declare function rxLogDiff<T>(aLogger: Logger): MonoTypeOperatorFunction<T>;