content: public interface $(type-name)DataWriterOperations extends
      DDS.DataWriterOperations
  {
  
      long register_instance(
              $(scoped-actual-type-name) instance_data);
  
      long register_instance_w_timestamp(
              $(scoped-actual-type-name) instance_data, 
              DDS.Time_t source_timestamp);
  
      int unregister_instance(
              $(scoped-actual-type-name) instance_data, 
              long handle);
  
      int unregister_instance_w_timestamp(
              $(scoped-actual-type-name) instance_data, 
              long handle, 
              DDS.Time_t source_timestamp);
  
      int write(
              $(scoped-actual-type-name) instance_data, 
              long handle);
  
      int write_w_timestamp(
              $(scoped-actual-type-name) instance_data, 
              long handle, 
              DDS.Time_t source_timestamp);
  
      int dispose(
              $(scoped-actual-type-name) instance_data, 
              long instance_handle);
  
      int dispose_w_timestamp(
              $(scoped-actual-type-name) instance_data, 
              long instance_handle, 
              DDS.Time_t source_timestamp);
      
      int writedispose(
              $(scoped-actual-type-name) instance_data, 
              long instance_handle);
  
      int writedispose_w_timestamp(
              $(scoped-actual-type-name) instance_data, 
              long instance_handle, 
              DDS.Time_t source_timestamp);
  
      int get_key_value(
              $(scoped-actual-type-name)Holder key_holder, 
              long handle);
      
      long lookup_instance(
              $(scoped-actual-type-name) instance_data);
  
  }
  