<?php

namespace TablePress\PhpOffice\PhpSpreadsheet\Reader;

/**
 * Empty listWorksheetInfo and listWorksheetNames methods,
 * facilitating migration from IReader to IReader2.
 */
class EmptyWorksheetInfo
{
	/**
	 * Return empty array as 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
	{
		return [];
	}

	/**
	 * Return empty array as 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
	{
		return [];
	}
}