public boolean getUnwrapPrimitives() {
    return UNWRAP.equalsIgnoreCase(properties.getOrDefault(UNWRAP_PRIMITIVES, WRAP));
  }
@Test
  public void shouldGetDefaultUnwrapPrimitives() {
    // Given:
    final ProtobufProperties properties = new ProtobufProperties(ImmutableMap.of());

    // When/Then:
    assertThat(properties.getUnwrapPrimitives(), is(false));
  }