Thanks for that.
It turns out that Intellij's problem was that it doesn't enable Go module
support when you create a new project from sources that include a go.mod
file. You have to enable Go module support manually.
I thought Intellij had fixed that bit of stupidity last year.
On Wednesday,
Go converts uppercase characters to the corresponding lower case character
with an exclamation point in front of it to avoid case sensitivity
collisions on case insensitive filesystems. In my pkg/mod/github directory,
DataDog is the worst offender since it has changed capitalization over
time, so I
