src/vs/workbench/contrib/notebook/browser/view/cellParts/cellOutput.ts/CellOutputContainer/_validateFinalOutputHeight
class CellOutputContainer:	private _validateFinalOutputHeight(synchronous: boolean) {
		if (this._outputHeightTimer !== null) {
			clearTimeout(this._outputHeightTimer);
		}

		if (synchronous) {
			this.viewCell.unlockOutputHeight();
		} else {
			this._outputHeightTimer = setTimeout(() => {
				this.viewCell.unlockOutputHeight();
			}, 1000);
		}
	}