import '../types';
export declare class MutationObserverImpl implements MutationObserver {
    callback: MutationCallback;
    nodeList: Node[];
    queue: MutationRecord[];
    constructor(callback: MutationCallback);
    disconnect(): void;
    observe(target: Node, options?: MutationObserverInit): void;
    takeRecords(): MutationRecord[];
    queueRecord(record: MutationRecord): void;
    notify(): void;
}