ReleasePageStream class Leave feedback

import os
import io
from GroupDocs.Redaction import Redactor
from GroupDocs.Redaction.Options import PreviewOptions

def create_delegate(page_number: int) -> io.RawIOBase:
    path = os.path.join(r"C:\Temp", f"page_{page_number}.png")
    return open(path, "wb")

def release_delegate(page_number: int, page_stream: io.RawIOBase) -> None:
    # Process the stream if needed
    page_stream.close()

preview_options = PreviewOptions(create_delegate, release_delegate)
preview_options.preview_format = preview_options.PreviewFormats.PNG
preview_options.height = 640
preview_options.width = 480
preview_options.page_numbers = [1]

with Redactor(r"C:\Temp\SourceFile.pdf") as redactor:
    redactor.generate_preview(preview_options)