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