public DBInstance withCharacterSetName(String characterSetName) {
        setCharacterSetName(characterSetName);
        return this;
    }
<p>
If present, specifies the name of the character set that this instance is associated with.
</p>

@param characterSetName
       If present, specifies the name of the character set that this instance is associated with.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBInstance.java