duplicated block id: 1
size: 6 cleaned lines of code
in 2 files:
 - src/main/java/org/apache/freemarker/onlinetester/util/LengthLimitedWriter.java (53:58)
 - src/main/java/org/apache/freemarker/onlinetester/util/LengthLimitedWriter.java (71:76)