FEATURE REQUEST: .SaveAs method to save silently browser content to HTM, HTML, MHTML file

Please provide new feature to Save opened/loaded document to HTM, HTML, MHTML 

1. to binary (in order to store directly into databases without a need to store it to file)
.SaveAsBinary method
2. to a given file name/location
.SaveAsFile method


<img width="788" height="144" alt="Image" src="https://github.com/user-attachments/assets/7775e1c7-eaeb-48d5-8448-fbde3bb4986d" />