docs: public DirectConnectGatewayAssociationProposal withRequestedAllowedPrefixesToDirectConnectGateway(
              RouteFilterPrefix... requestedAllowedPrefixesToDirectConnectGateway) {
          if (this.requestedAllowedPrefixesToDirectConnectGateway == null) {
              setRequestedAllowedPrefixesToDirectConnectGateway(new com.amazonaws.internal.SdkInternalList<RouteFilterPrefix>(
                      requestedAllowedPrefixesToDirectConnectGateway.length));
          }
          for (RouteFilterPrefix ele : requestedAllowedPrefixesToDirectConnectGateway) {
              this.requestedAllowedPrefixesToDirectConnectGateway.add(ele);
          }
          return this;
      }