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

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