/**
 * Parses a string representing the chess board an array of 64 strings
 * @param boardString - a string representing the board as the first part of FEN notation
 * @returns an array of 64 strings representing the pieces and empty squares
 *
 * @internal
 */
export declare function parseBoard(boardString: string): string[];
/**
 * Splits a board represented as a string into 8 strings representing the chessboard ranks
 * @param boardString - a string representing the board as the first part of FEN notation
 * @returns an array of 8 strings representing the chessboard ranks
 *
 * @internal
 */
export declare function getRanks(boardString: string): string[];
/**
 * Splits a chessboard rank represented as a string into an array of 8 characters reprenting the pieces and empty squares
 * @param rank - a string representing one of the chessboard ranks
 * @returns an array of 8 characters reprenting the pieces and empty squares
 *
 * @internal
 */
export declare function getRankCells(rank: string): string[];
/**
 * Converts a chessboard rank represented as a string possibly containing numbers to represent the number of consecutive empty squares
 * into a rank containing points to represent each empty square
 * @param rank - a string representing one of the chessboard ranks
 * @returns a rank with dots to represent empty squares
 *
 * @internal
 */
export declare function convertNumbersToPoints(rank: string): string;