code: public java.util.List<TransitGatewayAttachment> getTransitGatewayAttachments() {
          if (transitGatewayAttachments == null) {
              transitGatewayAttachments = new com.amazonaws.internal.SdkInternalList<TransitGatewayAttachment>();
          }
          return transitGatewayAttachments;
      }
docs: <p>
  Information about the attachments.
  </p>
  
  @return Information about the attachments.