src/vs/workbench/contrib/tasks/common/taskConfiguration.ts/value
	export function value(value: CommandString): string {
		if (Types.isString(value)) {
			return value;
		} else if (Types.isStringArray(value)) {
			return value.join(' ');
		} else {
			if (Types.isString(value.value)) {
				return value.value;
			} else {
				return value.value.join(' ');
			}
		}
	}