src/vs/workbench/services/progress/browser/progressIndicator.ts/EditorProgressIndicator/show
class EditorProgressIndicator:	show(infiniteOrTotal: true | number, delay?: number): IProgressRunner {

		// No editor open: ignore any progress reporting
		if (this.group.isEmpty) {
			return emptyProgressRunner;
		}

		if (infiniteOrTotal === true) {
			return this.doShow(true, delay);
		}

		return this.doShow(infiniteOrTotal, delay);
	}