src/vs/workbench/browser/parts/activitybar/activitybarPart.ts/ActivitybarPart/pinnedViewContainersValue
class ActivitybarPart:	private get pinnedViewContainersValue(): string {
		if (!this._pinnedViewContainersValue) {
			this._pinnedViewContainersValue = this.getStoredPinnedViewContainersValue();
		}

		return this._pinnedViewContainersValue;
	}