/**
 * Get the text of a chunk from positional parameters.
 *
 * Note that for arrays, the returned result will be an array and that the first and/or last
 * element of the array may be a substring of that array item's text.
 *
 * @param {string|string[]} input - The input (string or array of strings) to split.
 * @param {number} start - The start of the chunk.
 * @param {number} end - The end of the chunk.
 * @returns {string|string[]} The text or array of texts of the chunk.
 */
export declare function getChunk(input: string | string[], start: number, end: number): typeof input;