public void createDiskAsync(final String projectId,final DiskCreateSpec diskCreateSpec,final FutureCallback<Task> responseCallback) throws IOException {
  final String path=String.format("%s/%s/disks",getBasePath(),projectId);
  createObjectAsync(path,serializeObjectAsJson(diskCreateSpec),responseCallback);
}

public void createDiskAsync ( final String projectId , final DiskCreateSpec diskCreateSpec , final FutureCallback < Task > responseCallback ) throws IOException { final String path = String . format ( "%s/%s/disks" , getBasePath ( ) , projectId ) ; createObjectAsync ( path , serializeObjectAsJson ( diskCreateSpec ) , responseCallback ) ; }
create a disk in the specified project .
