>> - understand frameworks and libraries >not sure what this implies, sorry A couple of things off the top of my head: — list all HTTP endpoints in a Spring

>> - understand frameworks and libraries >not sure what this implies, sorry A couple of things off the top of my head: — list all HTTP endpoints in a Spring (or whatever) application, with their arguments, input and output format, possible error codes, etc. — DSL completion, as in this example (pay close attention, it's not SQL): https://www.jetbrains.com/idea/features/screenshots/16/why_injected_languages.png https://www.jetbrains.com/idea/features/screenshots/16/why_i... — an ability to quickly jump from an ORM model to its corresponding database table Stuff like that.