All Voxel Busters Plugins will be inside Assets/Plugins/VoxelBusters folder. EssentialKit folder contains the plugin files related to this plugin.
Plugin comes with External Dependency Manager which is a plugin maintained by Google. This plugin minimises the conflicts with external plugins. As of now we use this for resolving android libraries.
Folder Structure for Cross Platform Essential Kit
External Dependency Manager
Root folder for all Voxel Busters plugins
Essential Kit plugin main folder
Folder where the Essential Kit Settings are stored. Make sure you don't delete this folder while upgrading.
When you are trying to upgrade the plugin, make sure your Essential Kit Settings under Plugins/VoxelBusters/EssentialKit/Resources is committed to version control or have a backup.
All modules within the plugin uses assembly definition files(.asmdef). So these won't affect any of your project compilation times!