src/vs/editor/common/viewModelEventDispatcher.ts/ScrollChangedEvent/attemptToMerge
class ScrollChangedEvent:	public attemptToMerge(other: OutgoingViewModelEvent): OutgoingViewModelEvent | null {
		if (other.kind !== this.kind) {
			return null;
		}
		return new ScrollChangedEvent(
			this._oldScrollWidth, this._oldScrollLeft, this._oldScrollHeight, this._oldScrollTop,
			other.scrollWidth, other.scrollLeft, other.scrollHeight, other.scrollTop
		);
	}