code.power

	/**
	 * Stream rows from a CSV or Excel file one by one using yield.
	 *
	 * @param string  $filePath     The path to the file.
	 * @param int     $startRow     The starting row index.
	 * @param int     $chunkSize    The number of rows to read per chunk.
	 * @param int     $activeSheet  The index of the active worksheet 0=default.
	 *
	 * @return \Generator    A generator that yields each row as an array.
	 * @throws \InvalidArgumentException If the file does not exist.
	 * @throws \OutOfRangeException If the start row is beyond the highest row, no rows can be processed.
	 * @throws ReaderException If there is an error identifying or reading the file.
	 * @throws SpreadsheetException If there is an error working with the spreadsheet.
	 * @since 3.2.0
	 */
	public function read(string $filePath, int $startRow, int $chunkSize, int $activeSheet = 0): \Generator;