code: @BetaApi
    public final Operation deleteNodesNodeGroup(
        ProjectZoneNodeGroupName nodeGroup,
        NodeGroupsDeleteNodesRequest nodeGroupsDeleteNodesRequestResource) {
  
      DeleteNodesNodeGroupHttpRequest request =
          DeleteNodesNodeGroupHttpRequest.newBuilder()
              .setNodeGroup(nodeGroup == null ? null : nodeGroup.toString())
              .setNodeGroupsDeleteNodesRequestResource(nodeGroupsDeleteNodesRequestResource)
              .build();
      return deleteNodesNodeGroup(request);
    }
docs: Deletes specified nodes from the node group.
  
  <p>Sample code:
  
  <pre><code>
  try (NodeGroupClient nodeGroupClient = NodeGroupClient.create()) {
  ProjectZoneNodeGroupName nodeGroup = ProjectZoneNodeGroupName.of("[PROJECT]", "[ZONE]", "[NODE_GROUP]");
  NodeGroupsDeleteNodesRequest nodeGroupsDeleteNodesRequestResource = NodeGroupsDeleteNodesRequest.newBuilder().build();
  Operation response = nodeGroupClient.deleteNodesNodeGroup(nodeGroup, nodeGroupsDeleteNodesRequestResource);
  }
  </code></pre>
  
  @param nodeGroup Name of the NodeGroup resource to delete.
  @param nodeGroupsDeleteNodesRequestResource
  @throws com.google.api.gax.rpc.ApiException if the remote call fails