nestedObjectBuilder2.setOne(ONE_VALUE);
protoWithCollectionBuilder.addAllObject(Arrays.asList(nestedObjectBuilder1.build(), nestedObjectBuilder2.build()));
builder.setObject(protoWithCollectionBuilder);
ProtobufWithSimpleCollectionContainer src = builder.build();
ObjectWithCollection result = mapper.map(src, ObjectWithCollection.class);
assertEquals(2, result.getObjects().size());
}