TODO items in the source code are defined by a certain pattern.
Whenever a pattern is changed, or a new pattern is added, IntelliJ IDEA scans the whole
project and rebuilds the index of TODO items. Results display in the TODO tool window, as described in the section Viewing TODO Items.
You might want to view the TODO comments of certain a type, and hide the others.
For this purpose, IntelliJ IDEA suggests to use filters. This way you can show those items
that match certain patterns only.
In this section: