code: @BetaApi
    public final Operation resizeDisk(
        ProjectZoneDiskName disk, DisksResizeRequest disksResizeRequestResource) {
  
      ResizeDiskHttpRequest request =
          ResizeDiskHttpRequest.newBuilder()
              .setDisk(disk == null ? null : disk.toString())
              .setDisksResizeRequestResource(disksResizeRequestResource)
              .build();
      return resizeDisk(request);
    }
docs: Resizes the specified persistent disk. You can only increase the size of the disk.
  
  <p>Sample code:
  
  <pre><code>
  try (DiskClient diskClient = DiskClient.create()) {
  ProjectZoneDiskName disk = ProjectZoneDiskName.of("[PROJECT]", "[ZONE]", "[DISK]");
  DisksResizeRequest disksResizeRequestResource = DisksResizeRequest.newBuilder().build();
  Operation response = diskClient.resizeDisk(disk, disksResizeRequestResource);
  }
  </code></pre>
  
  @param disk The name of the persistent disk.
  @param disksResizeRequestResource
  @throws com.google.api.gax.rpc.ApiException if the remote call fails