anchor.diff:  			amzHeaders[ "x-amz-storage-class" ] = arguments.storageClass;
   		}
   
  +		if ( arguments.contentType == "auto" ) {
  +			arguments.contentType = getFileMimeType( arguments.uri );
  +		}
   		var headers = { "content-type" : arguments.contentType };
   
   		if ( len( arguments.cacheControl ) ) {
  
positive.code: 	 * @storageClass Sets the S3 storage class which affects cost, access speed and durability.
  	 *               Defaults to STANDARD.
  	 * @metaHeaders  Additonal metadata headers to add.
  	 *
  	 * @return      True if the object was copied correctly.
  	 */
  
negative.code: 			resource    = arguments.toBucket & "/" & arguments.toURI,
  			metaHeaders = metaHeaders,
  			headers     = headers,
  			amzHeaders  = amzHeaders,
  			throwOnError = throwOnError
  		);
  
  		return ( results.responseheader.status_code == 204 || results.responseheader.status_code == 200 );
  	}
  
  	/**
  