src/vs/editor/browser/view.ts/View/_getViewPartsToRender
class View:	private _getViewPartsToRender(): ViewPart[] {
		const result: ViewPart[] = [];
		let resultLen = 0;
		for (const viewPart of this._viewParts) {
			if (viewPart.shouldRender()) {
				result[resultLen++] = viewPart;
			}
		}
		return result;
	}