<?php

namespace TablePress\PhpOffice\PhpSpreadsheet\Reader;

interface IReader2 extends IReader
{
	/**
	 * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
	 *
	 * @return array<int, array{worksheetName: string, lastColumnLetter: string, lastColumnIndex: int, totalRows: int, totalColumns: int, sheetState: string}>
	 */
	public function listWorksheetInfo(string $filename): array;

	/**
	 * Returns names of the worksheets from a file,
	 * possibly without parsing the whole file to a Spreadsheet object.
	 *
	 * @return string[]
	 */
	public function listWorksheetNames(string $filename): array;
}