SQ Official Doc Link: https://docs.sonarqube.org/display/SONAR/Seeing+Duplications
The duplications decoration shows which parts of the source code are duplicated (see Duplications for more information):
By default, the duplications markers are collapsed:
Once they're expanded, you can click the orange duplication indicator to see where a block of code is duplicated. Clicking on a link in the popup opens the file in a pinned window.
