docs: public DBInstance withAssociatedRoles(DBInstanceRole... associatedRoles) {
          if (this.associatedRoles == null) {
              setAssociatedRoles(new com.amazonaws.internal.SdkInternalList<DBInstanceRole>(associatedRoles.length));
          }
          for (DBInstanceRole ele : associatedRoles) {
              this.associatedRoles.add(ele);
          }
          return this;
      }