A standard MIME type describing the format of the object data.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public string ContentType { get; set; }
 Remarks
 Remarks
            The content type for the content being uploaded. This property defaults to "binary/octet-stream".
            For more information, refer to: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17
            This property is passed on to S3 only if the metadata
            directive is REPLACE.