code: public java.util.List<VpcAttachment> getVpcAttachments() {
          if (vpcAttachments == null) {
              vpcAttachments = new com.amazonaws.internal.SdkInternalList<VpcAttachment>();
          }
          return vpcAttachments;
      }
docs: <p>
  Any VPCs attached to the virtual private gateway.
  </p>
  
  @return Any VPCs attached to the virtual private gateway.