| Header | Represents the header component of a dashboard element. Handles mouse events to move and adjust the positioning of the element. |
| JsExtensions | Provides extension methods for interacting with JavaScript runtime (JS) to retrieve positioning and dimension data for elements on the page. |
| MovingIndicatorOverlay | Represents the moving indicator overlay that can be resized and moved on the screen. |
| ResizeHandle | Represents the resize handle for the element that can be resized using mouse events. |