@Test
void withProxy() {

    assertThat(parser.parse("127.0.0.1", "108.0.0.1")).isEqualTo("108.0.0.1");
    assertThat(parser.parse("127.0.0.1", " 108.0.0.1 ")).isEqualTo("108.0.0.1");
    assertThat(parser.parse("127.0.0.1", "108.0.0.1, 10.10.10.10")).isEqualTo("108.0.0.1");
}