cql CREATE ROLE IF NOT EXISTS analyst; CREATE ROLE IF NOT EXISTS developer; GRANT ALL PERMISSIONS ON GRAPH my_graph TO analyst; GRANT GRAPH_MANAGE ON GRAPH my_graph TO developer; CREATE USER IF NOT EXISTS user1 WITH PASSWORD 'password'; CREATE USER IF NOT EXISTS user2 WITH PASSWORD 'password'; CREATE USER IF NOT EXISTS user3 WITH PASSWORD 'password'; GRANT analyst TO user1; GRANT developer TO user2; GRANT analyst, developer TO user3;