System.Object
com.o2sol.pdf4java.standards.PDFStandardFormatter
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
com.o2sol.pdf4java.core.exceptions.PDFException
com.o2sol.pdf4java.standards.PDFAException
java.util.AbstractCollection
java.util.AbstractList
java.util.ArrayList
com.o2sol.pdf4java.core.collections.Collection<T>
com.o2sol.pdf4java.core.collections.ReadOnlyCollection<T>
com.o2sol.pdf4java.standards.PDFAExceptionCollection