/**
 * 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 { Nullable } from '@univerjs/core';
import type { IDocumentSkeletonLine, IDocumentSkeletonPage, IDocumentSkeletonTable } from '@univerjs/engine-render';
export declare function firstLineInTable(table: IDocumentSkeletonTable): IDocumentSkeletonLine;
export declare function lastLineInTable(table: IDocumentSkeletonTable): IDocumentSkeletonLine | undefined;
export declare function findTableAfterLine(line: IDocumentSkeletonLine, page: IDocumentSkeletonPage): IDocumentSkeletonTable | null;
export declare function findLineBeforeAndAfterTable(table: Nullable<IDocumentSkeletonTable>): {
    lineBeforeTable: null;
    lineAfterTable: null;
};
export declare function findBellowCell(cell: IDocumentSkeletonPage): Nullable<IDocumentSkeletonPage>;
export declare function findAboveCell(cell: IDocumentSkeletonPage): Nullable<IDocumentSkeletonPage>;
export declare function findTableBeforeLine(line: IDocumentSkeletonLine, page: IDocumentSkeletonPage): IDocumentSkeletonTable | null;
export declare function firstLineInCell(cell: IDocumentSkeletonPage): IDocumentSkeletonLine;
export declare function lastLineInCell(cell: IDocumentSkeletonPage): IDocumentSkeletonLine;
export declare function isFirstLineInCell(line: IDocumentSkeletonLine, cell: IDocumentSkeletonPage): boolean;
export declare function isLastLineInCell(line: IDocumentSkeletonLine, cell: IDocumentSkeletonPage): boolean;