| bubbles | 
 Returns whether this event type bubbles up in the event propagation path.
  | 
        | dispatch | 
 Indicates whether the event is being dispatched to a visual element. An event cannot be redispatched while it being dispatched. If you need to recursively dispatch an event, it is recommended that you use a copy of the event.
  | 
        | imguiEvent | 
 The IMGUIEvent at the source of this event. The source can be null since not all events are generated by IMGUI.
  | 
        | isImmediatePropagationStopped | 
 Indicates whether StopImmediatePropagation() was called for this event.
  | 
        | isPropagationStopped | 
 Whether StopPropagation() was called for this event.
  | 
        | originalMousePosition | 
 The original mouse position of the IMGUI event, before it is transformed to the current target local coordinates.
  | 
        | pooled | 
 Whether the event is allocated from a pool of events.
  | 
        | propagationPhase | 
 The current propagation phase for this event.
  | 
        | target | 
 The target visual element that received this event. Unlike currentTarget, this target does not change when
 the event is sent to other elements along the propagation path.
  | 
        | timestamp | 
 The time when the event was created, in milliseconds.
  | 
        | tricklesDown | 
 Returns whether this event is sent down the event propagation path during the TrickleDown phase.
  | 
        | eventTypeId | 
 Retrieves the type ID for this event instance.
  | 
        | actionKey | 
 Returns true if the platform-specific action key is pressed. This key is Cmd on macOS, and Ctrl on all other platforms.
  | 
        | altKey | 
 Returns true if the Alt key is pressed.
  | 
        | button | 
 A value that indicates which mouse button was pressed or released (if any) to cause this event:
 0 is the left button, 1 is the right button, 2 is the middle button.
 A negative value indicates that no mouse button changed state during this event.
  | 
        | clickCount | 
 The number of times the button is pressed.
  | 
        | commandKey | 
 Returns true if the Windows/Cmd key is pressed.
  | 
        | ctrlKey | 
 Returns true if the Ctrl key is pressed.
  | 
        | currentTarget | 
 The current target of the event. The current target is the element in the propagation path for which event handlers are currently being executed.
  | 
        | localMousePosition | 
 The mouse position in the current target coordinate system.
  | 
        | modifiers | 
 Flags that hold pressed modifier keys (Alt, Ctrl, Shift, Windows/Cmd).
  | 
        | mouseDelta | 
 The difference of the mouse position between the previous mouse event and the current mouse event.
  | 
        | mousePosition | 
 The mouse position in the screen coordinate system.
  | 
        | pressedButtons | 
 A bitmask that describes the currently pressed buttons.
  | 
        | shiftKey | 
 Returns true if the Shift key is pressed.
  |