appmesh.ts

const virtualNode = new appmesh.VirtualNode(this, 'virtual-node', {
  mesh,
  virtualNodeName: 'virtual-node',
});
const virtualService = new appmesh.VirtualService(this, 'service-a.default.svc.cluster.local', {
  virtualServiceName: 'service-a.default.svc.cluster.local',
  virtualServiceProvider: appmesh.VirtualServiceProvider.virtualNode(virtualNode),
});

virtualNode.addBackend(appmesh.Backend.virtualService(virtualService));