export
Exports the document to a file using the specified exporter. For with , the format is inferred from the file extension (.tif/.tiff, .png, .jpg/.jpeg, .bmp). For multi-page documents exported as PNG/JPEG/BMP, numbered files are produced (e.g., output.png → output-1.png, output-2.png, ...). TIFF preserves single-file multi-page output.
Parameters
filepath
The path where the exported file will be saved.
exporter
The exporter that defines the output format and settings.