$ java -jar checkstyle-10.20.0-all.jar -t Test.java 
COMPILATION_UNIT -> COMPILATION_UNIT [1:0]
`--CLASS_DEF -> CLASS_DEF [1:0]
    |--MODIFIERS -> MODIFIERS [1:0]
    |   `--LITERAL_PUBLIC -> public [1:0]
    |--LITERAL_CLASS -> class [1:7]
    |--IDENT -> A [1:13]
    `--OBJBLOCK -> OBJBLOCK [1:15]
        |--LCURLY -> { [1:15]
        |--VARIABLE_DEF -> VARIABLE_DEF [2:4]
        |   |--MODIFIERS -> MODIFIERS [2:4]
        |   |   |--LITERAL_PRIVATE -> private [2:4]
        |   |   |--LITERAL_STATIC -> static [2:12]
        |   |   `--FINAL -> final [2:19]
        |   |--TYPE -> TYPE [2:25]
        |   |   `--IDENT -> String [2:25]
        |   |--IDENT -> EXAMPLE [2:32]
        |   |--ASSIGN -> = [2:40]
        |   |   `--EXPR -> EXPR [2:42]
        |   |       `--TEXT_BLOCK_LITERAL_BEGIN -> """ [2:42]
        |   |           |--TEXT_BLOCK_CONTENT -> \n        Example string [2:45]
        |   |           `--TEXT_BLOCK_LITERAL_END -> """ [3:22]
        |   `--SEMI -> ; [3:25]
        `--RCURLY -> } [4:0]


$ cat config.xml 
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">

<module name="Checker">

    <property name="charset" value="UTF-8"/>

    <property name="severity" value="${org.checkstyle.google.severity}" default="warning"/>

    <property name="fileExtensions" value="java, properties, xml"/>

    <module name="SuppressWarningsFilter"/>

    <module name="TreeWalker">
        <module name="SuppressWarningsHolder"/>

        <module name="Indentation">
            <property name="lineWrappingIndentation" value="4"/>
            <property name="forceStrictCondition" value="true"/>
        </module>

    </module>
</module>

$ java -jar checkstyle-10.20.0-all.jar -c config.xml Test.java 
Starting audit...
[WARN] /var/tmp/Test.java:3:23: '"""' has incorrect indentation level 22, expected level should be 8. [Indentation]
Audit done.

$ java -jar checkstyle-10.20.0-all.jar -g -c config.xml Test.java 
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suppressions PUBLIC
    "-//Checkstyle//DTD SuppressionXpathFilter Experimental Configuration 1.2//EN"
    "https://checkstyle.org/dtds/suppressions_1_2_xpath_experimental.dtd">
<suppressions>
<suppress-xpath
       files="Test.java"
       checks="IndentationCheck"
       query="/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='A']]/OBJBLOCK/VARIABLE_DEF[./IDENT[@text='EXAMPLE']]/ASSIGN/EXPR/TEXT_BLOCK_LITERAL_BEGIN[./TEXT_BLOCK_CONTENT[@text='\n        Example string']]/TEXT_BLOCK_LITERAL_END"/>
</suppressions>

$ cat config.xml 
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">

<module name="Checker">

    <property name="charset" value="UTF-8"/>

    <property name="severity" value="${org.checkstyle.google.severity}" default="warning"/>

    <property name="fileExtensions" value="java, properties, xml"/>

    <module name="SuppressWarningsFilter"/>

    <module name="TreeWalker">
        <module name="SuppressWarningsHolder"/>

        <module name="Indentation">
            <property name="lineWrappingIndentation" value="4"/>
            <property name="forceStrictCondition" value="true"/>
        </module>
<!-- ADD THIS to YOUR CONFIG --->
    <module name="SuppressionXpathSingleFilter">
      <property name="checks" value="Indentation"/>
      <property name="query" value="//TEXT_BLOCK_LITERAL_END"/>
    </module>

    </module>
</module>

$ java -jar checkstyle-10.20.0-all.jar -c config.xml Test.java 
Starting audit...
Audit done.