/usr/include/Bpp/Seq/Io/Maf/ is in libbpp-seq-omics-dev 2.1.0-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/Bpp/Seq/Io/Maf/AlignmentFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/BlockLengthMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/BlockMergerMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/BlockSizeMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/ChromosomeMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/ConcatenateMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/DuplicateFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/EntropyFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/FeatureExtractorMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/FeatureFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/FullGapFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/IterationListener.h
/usr/include/Bpp/Seq/Io/Maf/MafBlock.h
/usr/include/Bpp/Seq/Io/Maf/MafIterator.h
/usr/include/Bpp/Seq/Io/Maf/MafParser.h
/usr/include/Bpp/Seq/Io/Maf/MafSequence.h
/usr/include/Bpp/Seq/Io/Maf/MafStatistics.h
/usr/include/Bpp/Seq/Io/Maf/MaskFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/OrphanSequenceFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/OutputAlignmentMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/OutputMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/QualityFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/SequenceFilterMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/SequenceStatisticsMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/SequenceStreamToMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/VcfOutputMafIterator.h
/usr/include/Bpp/Seq/Io/Maf/WindowSplitMafIterator.h