import type { ReadonlyContentModelBlock, ReadonlyContentModelBlockGroup, ReadonlyContentModelSegment } from 'roosterjs-content-model-types';
/**
 * @internal
 */
export declare type BlockAndPath = {
    /**
     * The sibling block
     */
    block: ReadonlyContentModelBlock;
    /**
     * Path of this sibling block
     */
    path: ReadonlyContentModelBlockGroup[];
    /**
     * If the input block is under a general segment, it is possible there are sibling segments under the same paragraph.
     * Use this property to return the sibling sibling under the same paragraph
     */
    siblingSegment?: ReadonlyContentModelSegment;
};
/**
 * @internal
 */
export declare type ReadonlyBlockAndPath = {
    /**
     * The sibling block
     */
    block: ReadonlyContentModelBlock;
    /**
     * Path of this sibling block
     */
    path: ReadonlyContentModelBlockGroup[];
    /**
     * If the input block is under a general segment, it is possible there are sibling segments under the same paragraph.
     * Use this property to return the sibling sibling under the same paragraph
     */
    siblingSegment?: ReadonlyContentModelSegment;
};
/**
 * @internal
 */
export declare function getLeafSiblingBlock(path: ReadonlyContentModelBlockGroup[], block: ReadonlyContentModelBlock, isNext: boolean): BlockAndPath | null;
/**
 * @internal (Readonly)
 */
export declare function getLeafSiblingBlock(path: ReadonlyContentModelBlockGroup[], block: ReadonlyContentModelBlock, isNext: boolean): ReadonlyBlockAndPath | null;