semanticdb-project-system-databases

semanticdb-project-system-databases is a variable defined in `db.el'.
Its value is

nil

• Automatically becomes buffer-local when set.

Documentation:
List of databases containing system library information.
Mode authors can create their own system databases which know
detailed information about the system libraries for querying purposes.
Put those into this variable as a buffer-local, or mode-local
value.