/usr/ is in golang-github-hashicorp-yamux-dev 0.0~git20150917.0.ddcd0a6-1.
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/usr/share/doc/
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/usr/share/doc/golang-github-hashicorp-yamux-dev/copyright
/usr/share/doc/golang-github-hashicorp-yamux-dev/README.md
/usr/share/doc/golang-github-hashicorp-yamux-dev/changelog.Debian.gz