Checkstyle Design and block rule

<module name="AvoidNestedBlocks">
    <property name="severity" value="error"/>
    <property name="allowInSwitchCase" value="false"/>
</module>
<module name="EmptyBlock">
    <property name="severity" value="warning"/>
    <property name="option" value="text"/>
    <property name="tokens" value="LITERAL_WHILE , LITERAL_TRY , LITERAL_CATCH , LITERAL_FINALLY , LITERAL_DO , LITERAL_IF , LITERAL_ELSE , LITERAL_FOR , INSTANCE_INIT , STATIC_INIT , LITERAL_SWITCH , LITERAL_SYNCHRONIZED , LITERAL_CASE , LITERAL_DEFAULT , ARRAY_INIT"/>
</module>
<module name="LeftCurly">
    <property name="severity" value="info"/>
    <property name="option" value="eol"/>
    <property name="ignoreEnums" value="false"/>
</module>
<module name="NeedBraces">
    <property name="severity" value="warning"/>
    <property name="allowSingleLineStatement" value="true"/>
</module>

<module name="FinalClass">
    <property name="severity" value="warning"/>
</module>
<module name="HideUtilityClassConstructor">
    <property name="severity" value="warning"/>
</module>
<module name="InterfaceIsType">
    <property name="severity" value="warning"/>
</module>
<module name="MutableException">
    <property name="severity" value="warning"/>
</module>
<module name="OneTopLevelClass">
    <property name="severity" value="error"/>
</module>
<module name="ThrowsCount">
    <property name="severity" value="warning"/>
    <property name="max" value="4"/>
    <property name="ignorePrivateMethods" value="true"/>
</module>