/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/ is in libhamcrest-java-doc 1.3-5ubuntu1.
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/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/BigDecimalCloseTo.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/IsCloseTo.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/OrderingComparison.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/class-use/
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/class-use/BigDecimalCloseTo.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/class-use/IsCloseTo.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/class-use/OrderingComparison.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/package-frame.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/package-summary.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/package-tree.html
/usr/share/doc/libhamcrest-java/api/org/hamcrest/number/package-use.html