src/vs/base/browser/ui/scrollbar/scrollbarState.ts/ScrollbarState/setScrollPosition
class ScrollbarState:	public setScrollPosition(scrollPosition: number): boolean {
		const iScrollPosition = Math.round(scrollPosition);
		if (this._scrollPosition !== iScrollPosition) {
			this._scrollPosition = iScrollPosition;
			this._refreshComputedValues();
			return true;
		}
		return false;
	}