import { TokenStream } from '../classes/TokenStream';
import { CellBlock } from '../types/Ast.type';
/**
 * Parse a cell block from the current position
 *
 * @param stream - Token stream positioned at the cell open fence
 * @param source - Full source code string
 * @param parseStatement - Function to parse statements (for code cells)
 * @returns CellBlock if parsed, null otherwise
 */
export declare function parseCellBlock(stream: TokenStream, source: string, _parseStatement: (stream: TokenStream) => any): Promise<CellBlock | null>;