Page History

...

Select the Editor -> Code Style tab. Push the "Manage" button and then the "Import..." button
  Select either the Eclipse or the Intellij IntelliJ format
    Import the corresponding file from the etc directoryetc/intellijIdeaCodeStyle.xml

While IntelliJ supports importing of Eclipse formatter profiles you should not use this option because it does not properly configure IntelliJ for Geode.  For instance, the arrangement of "import" statements will be incorrect if you use the Eclipse formatter profile. 

Avoid using reformatting commands for an entire file while changing a part of the file. Especially for an existing file as it makes it difficult to know the exact difference by comparing revisions.

...