import "go.chromium.org/luci/gae/service/logging"
Package logging is simply documentation :)
In order to use logging, please import and use the "go.chromium.org/luci/common/logging" package. Both "go.chromium.org/luci/gae/impl/prod" and "go.chromium.org/luci/gae/impl/memory" implement that service appropriately.
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