src/vs/base/common/severity.ts/fromValue
	export function fromValue(value: string): Severity {
		if (!value) {
			return Severity.Ignore;
		}

		if (strings.equalsIgnoreCase(_error, value)) {
			return Severity.Error;
		}

		if (strings.equalsIgnoreCase(_warning, value) || strings.equalsIgnoreCase(_warn, value)) {
			return Severity.Warning;
		}

		if (strings.equalsIgnoreCase(_info, value)) {
			return Severity.Info;
		}
		return Severity.Ignore;
	}