the projectRole we are deleting from the project role-table
TODO: what does this return?
the number of free positions if free (in a promise) else null (if not found in db)
returns the number of positions for the projectrole of that project
returns all the projectroles object togheter with the role objects for that project
all the project role objects for that project
the updated entry in the database
Generated using TypeDoc
the projectRole we are deleting from the project role-table