private String prettifyDefaultValue(ModuleOption mo) {
		if (mo.getDefaultValue() == null) {
			return "no default";
		}
		String result = stringify(mo.getDefaultValue());
		result = result.replace(ModulePlaceholders.XD_STREAM_NAME, "<stream name>");
		result = result.replace(ModulePlaceholders.XD_JOB_NAME, "<job name>");
		return "default: `" + result + "`";
	}
When the type of an option is an enum, document all possible values
documentation-toolchain/src/main/java/org/springframework/xd/documentation/ModuleOptionsReferenceDoc.java