Lang errors

Commons.Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang.

http://commons.apache.org/lang/
Solution coverage:
Summary coverage:

Nothing to list here.
Package namePatterns foundSolution coverageSummary coverage
org.apache.commons.lang4
Package nameClass namePatterns foundSolution coverageSummary coverage
org.apache.commons.langSerializationUtils3
org.apache.commons.langValidate1
Package nameClass nameMethod namePatterns foundSolution coverage
org.apache.commons.langValidateisTrue1
Nothing to list here.