src/vs/editor/contrib/hover/modesContentHover.ts/ModesContentHoverWidget/onModelDecorationsChanged
class ModesContentHoverWidget:	public onModelDecorationsChanged(): void {
		if (this._isChangingDecorations) {
			return;
		}
		if (this._isVisible) {
			// The decorations have changed and the hover is visible,
			// we need to recompute the displayed text
			this._hoverOperation.cancel();
			this._computer.clearResult();

			if (!this._colorPicker) { // TODO@Michel ensure that displayed text for other decorations is computed even if color picker is in place
				this._hoverOperation.start(HoverStartMode.Delayed);
			}
		}
	}