public InsertSettings setDBRoles(Collection<String> dbRoles) {
        rawSettings.put(ClientConfigProperties.SESSION_DB_ROLES.getKey(), dbRoles);
        return this;
    }
Sets DB roles for an operation. Roles that were set by {@link Client#setDBRoles(Collection)} will be overridden.

@param dbRoles
client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java