_instance.addVariable( ProtobufProcessMarshaller.marshallVariable( context, variable.getKey(), variable.getValue() ) );
_instance.addVariable( ProtobufProcessMarshaller.marshallVariable( context, variable.getKey(), variable.getValue() ) );
_instance.addVariable( ProtobufProcessMarshaller.marshallVariable( context, variable.getKey(), variable.getValue() ) );
_instance.addVariable( ProtobufProcessMarshaller.marshallVariable( context, variable.getKey(), variable.getValue() ) );