import type { MarkdownSelection, MarkdownSelectionPoint } from './Markdown.js';
/** Get children of element */
export declare function getChildren<T>(element: T): (string | number | import("react").ReactElement<any, string | import("react").JSXElementConstructor<any>> | Iterable<import("react").ReactNode> | import("react").ReactPortal)[];
/** RegEx to match dash separated language info */
export declare function matchLanguageParm(className?: string): RegExpExecArray | null;
/**
 * Extracts a MarkdownSelection from two markdown components
 * @param start - Start Element
 * @param end - End Element
 */
export declare function extractSourcePos(start: Element, end: Element): MarkdownSelection | null;
/**
 * Recursively traverses the parents to find a valid element with data-sourcepos.
 * Stops after a maximum of 10 recursions
 * @param element - The element whose parent we're looking for
 * @param count - how deep it already is into its recursion
 */
export declare function findValidParent(element: Node | null, count?: number): Element | null;
/**
 * Calculates the offset in the sourceString, given line numbers
 * @param position - a MarkdownSelectionPoint in the document/sourceString
 * @param source - the document/sourceString
 * @param lineOffset - whether we stop on the last line, before, after...
 */
export declare function findOffset(position: MarkdownSelectionPoint, source: string, lineOffset?: number): number;