/**
 * 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, IRange, IStyleData } from '@univerjs/core';
/**
 * The entire list of DOM spans is parsed into a rich-text JSON style sheet
 * @param $dom
 * @returns
 */
export declare function handleDomToJson($dom: HTMLElement): IDocumentData | string;
/**
 * A single span parses out the ITextStyle style sheet
 * @param $dom
 * @returns
 */
export declare function handleStringToStyle($dom?: HTMLElement, cssStyle?: string): IStyleData & Record<string, unknown>;
/**
 * split span text
 * @param text
 * @returns
 */
export declare function splitSpanText(text: string): string[];
export declare function handleTableColgroup(table: string): any[];
export declare function handleTableRowGroup(table: string): any[];
export declare function handelTableToJson(table: string): any[];
export declare function handlePlainToJson(plain: string): any[];
export declare function handleTableMergeData(data: any[], selection?: IRange): {
    data: any[];
    mergeData: {
        startRow: any;
        endRow: any;
        startColumn: any;
        endColumn: any;
    }[];
};
export declare function handelExcelToJson(html: string): any[] | undefined;