src/vs/workbench/contrib/languageStatus/browser/languageStatus.contribution.ts/EditorStatusContribution/_severityToComboCodicon
class EditorStatusContribution:	private static _severityToComboCodicon(sev: Severity): string {
		switch (sev) {
			case Severity.Error: return '$(bracket-error)';
			case Severity.Warning: return '$(bracket-dot)';
			default: return '$(bracket)';
		}
	}