/**
 * Copyright 2023-present DreamNum Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { IDocumentData } from '@univerjs/core';
export declare function extractId(html: string): string | null;
export declare class CopyContentCache {
    private _cache;
    set(id: string, clipboardData: Partial<IDocumentData>): void;
    get(id: string): Partial<IDocumentData> | undefined;
    clear(): void;
}
export declare const copyContentCache: CopyContentCache;