docs: public DirectConnectGatewayAssociation withAllowedPrefixesToDirectConnectGateway(RouteFilterPrefix... allowedPrefixesToDirectConnectGateway) {
          if (this.allowedPrefixesToDirectConnectGateway == null) {
              setAllowedPrefixesToDirectConnectGateway(new com.amazonaws.internal.SdkInternalList<RouteFilterPrefix>(allowedPrefixesToDirectConnectGateway.length));
          }
          for (RouteFilterPrefix ele : allowedPrefixesToDirectConnectGateway) {
              this.allowedPrefixesToDirectConnectGateway.add(ele);
          }
          return this;
      }