/**
 * Splits a path string into an array of parts; lightly memoized.
 * It will reset the entire cache after 2048 paths, this could be improved
 * by implementing an LRU cache or something, but I'm trying to keep
 * this library fairly dep free, and the code not too cumbersome.
 *
 * Memoizing the splitPath function can be seen as cheating, but I think it's likely
 * that a lot of the same paths will be used for logic, so it's a good optimization.
 *
 * @param {string} str
 * @returns {string[]}
 */
export function splitPathMemoized(str: string): string[];
/**
 * Splits a path string into an array of parts.
 *
 * @example splitPath('a.b.c') // ['a', 'b', 'c']
 * @example splitPath('a\\.b.c') // ['a.b', 'c']
 * @example splitPath('a\\\\.b.c') // ['a\\', 'b', 'c']
 * @example splitPath('a\\\\\\.b.c') // ['a\\.b', 'c']
 * @example splitPath('hello') // ['hello']
 * @example splitPath('hello\\') // ['hello\\']
 * @example splitPath('hello\\\\') // ['hello\\']
 *
 * @param {string} str
 * @param {string} separator
 * @returns {string[]}
 */
export function splitPath(str: string, separator?: string, escape?: string, up?: string): string[];