,-------------------------------.                     
                     |Stopwatch                      |                     
                     |-------------------------------|                     
                     |-isRunning: boolean            |                     
                     |-accumulatedMs: number         |                     
                     |-startTime: number             |                     
                     |+constructor()                 |                     
                     |+getState(): boolean           |                     
                     |+reset()                       |                     
                     |+start()                       |                     
                     |+stop()                        |                     
                     |+update()                      |                     
                     |-formatTime(ms: number): string|                     
                     `-------------------------------'                     
                                     |                                     
                                     |                                     
,-------------------------------------------------------------------------.
|TextSprite                                                               |
|-------------------------------------------------------------------------|
|+text: string                                                            |
|+bg: number                                                              |
|+fg: number                                                              |
|+maxFontHeight: number                                                   |
|+borderWidth: number                                                     |
|+borderColor: number                                                     |
|+padding: number                                                         |
|+outlineWidth: number                                                    |
|+outlineColor: number                                                    |
|+icon: Image = null                                                      |
|__                                                                       |
|+constructor(text: string, bg: number, fg: number, maxFontHeight: number,|
|  borderWidth: number, borderColor: number, padding: number,             |
|  outlineWidth: number, outlineColor: number, icon: Image = null)        |
|__                                                                       |
|+update()                                                                |
|+setMaxFontHeight(height: number)                                        |
|+setIcon(icon: Image)                                                    |
|+setText(text: string)                                                   |
|+setBorder(width: number, color: number, padding: number = 0)            |
|+setOutline(width: number, color: number)                                |
`-------------------------------------------------------------------------'
                                     |                                     
                               ,----------.                                
                               |Sprite    |                                
                               |----------|                                
                               |+x: number|                                
                               |+y: number|                                
                               `----------'