- https://github.com/zxj5470/JavaX-Var-Hint
- https://www.jetbrains.com/help/pycharm/2017.1/type-hinting-in-pycharm.html
- https://plugins.jetbrains.com/docs/intellij/welcome.html
- https://plugins.jetbrains.com/docs/intellij/pycharm.html
- https://plugins.jetbrains.com/docs/intellij/plugin-compatibility.html#modules-specific-to-functionality
- https://plugins.jetbrains.com/docs/intellij/additional-minor-features.html#join-lines
- https://plugins.jetbrains.com/docs/intellij/folding-builder.html#define-a-folding-builder
- https://plugins.jetbrains.com/docs/intellij/notifications.html#got-it-notification
- https://github.com/JetBrains/intellij-sdk-code-samples
- https://github.com/JetBrains/intellij-platform-plugin-template