org.apache.pdfbox.util
Classes 
BitFlagHelper
DateConverter
ErrorLogger
ExtensionFileFilter
ICU4JImpl
ImageIOUtil
ImageParameters
LayerUtility
MapUtil
Matrix
PageExtractor
PDFCloneUtility
PDFHighlighter
PDFImageWriter
PDFMarkedContentExtractor
PDFMergerUtility
PDFOperator
PDFStreamEngine
PDFText2HTML
PDFTextStripper
PDFTextStripperByArea
PositionWrapper
ResourceLoader
Splitter
StringUtil
TextNormalize
TextPosition
TextPositionComparator
XMLUtil