+ filter_multi.cpp filter_multi.hpp \
+ filter_query_rewrite.cpp filter_query_rewrite.hpp \
+ filter_present_chunk.cpp filter_present_chunk.hpp \
+ filter_record_transform.cpp filter_record_transform.hpp \
+ filter_session_shared.cpp filter_session_shared.hpp \
+ filter_sort.cpp filter_sort.hpp \
+ filter_sru_to_z3950.cpp filter_sru_to_z3950.hpp \
+ filter_template.cpp filter_template.hpp \