`focusOnClick`
- Is a `boolean` indicating if keyboard focus should automatically be
moved to the remote session when a `mousedown` or `touchstart`
- event is received.
+ event is received. Enabled by default.
`touchButton`
- Is a `long` controlling the button mask that should be simulated
to the element containing the remote session screen. The default value is `rgb(40, 40, 40)`
(solid gray color).
+`qualityLevel`
+ - Is an `int` in range `[0-9]` controlling the desired JPEG quality.
+ Value `0` implies low quality and `9` implies high quality.
+ Default value is `6`.
+
+`compressionLevel`
+ - Is an `int` in range `[0-9]` controlling the desired compression
+ level. Value `0` means no compression. Level 1 uses a minimum of CPU
+ resources and achieves weak compression ratios, while level 9 offers
+ best compression but is slow in terms of CPU consumption on the server
+ side. Use high levels with very slow network connections.
+ Default value is `2`.
+
`capabilities` *Read only*
- Is an `Object` indicating which optional extensions are available
on the server. Some methods may only be called if the corresponding