Methods for authenticating with Google Sheets, selecting a spreadsheet and sheet, and obtaining the Sheets object.
Methods for applying formatting to a range of cells - alignment, color, number format, and text rotation.
Methods for uploading, deploying, and triggering Google Apps Script within a spreadsheet.
Methods for reading ranges, writing data, and appending or inserting values into Google Sheets.
Methods for creating, deleting, and renaming sheets, setting the spreadsheet title, and performing calculations.