@Override
            protected void transferValue(Pipe pipe, Input input, Output output,
                    int number, boolean repeated) throws IOException
            {
                RuntimeCollectionField.this.transferValue(pipe, input, output,
                        number, repeated);
            }
Since we cannot inherit multiple classes, we create this Collection schema simply to delegate to the wrapping
class' abstract methods.
protostuff-runtime/src/main/java/io/protostuff/runtime/RuntimeCollectionField.java