@Config("resources.reserved-system-memory")
    public ReservedSystemMemoryConfig setReservedSystemMemory(DataSize reservedSystemMemory)
    {
        this.reservedSystemMemory = reservedSystemMemory;
        return this;
    }
@Test
    public void testExplicitPropertyMappings()
    {
        Map<String, String> properties = new ImmutableMap.Builder<String, String>()
                .put("resources.reserved-system-memory", "1GB")
                .build();

        ReservedSystemMemoryConfig expected = new ReservedSystemMemoryConfig()
                .setReservedSystemMemory(new DataSize(1, GIGABYTE));

        assertFullMapping(properties, expected);
    }