import { Node, Parent } from 'unist';
/**
 * Test whether a Node is a Parent
 * @param n node to tes
 * @private
 */
export declare function isParent(n: Node): n is Parent;
/**
 * Remove position information from nodes
 * @param nodes nodes to remove position information from
 * @private
 */
export declare function removePositionInformation(nodes: Node[]): Node[];
export declare function indentHeadings(shift: number, ...nodes: Node[]): void;
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