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Gets a reference to an object encapsulating the proxy options used by
 converter to access the HTML document to convert 
 
Gets a reference to an object encapsulating the proxy options used by
 converter to access the HTML document to convert 
 
Gets a reference to an object encapsulating the proxy options used by
 HTML to PDF converter to access the HTML document to convert 
 
Gets a reference to an object encapsulating the proxy options used by
 HTML to PDF converter to access the HTML document to convert 
 
Gets a reference to an object encapsulating the proxy options used by
 converter to access the HTML document to convert