}
@Test
public void requestHeaders() {
final CorsConfig cors = withAnyOrigin().allowedRequestHeaders("preflight-header1", "preflight-header2").build();
assertThat(cors.allowedRequestHeaders(), hasItems("preflight-header1", "preflight-header2"));
}
@Test
public void preflightResponseHeadersSingleValue() {
final CorsConfig cors = withAnyOrigin().preflightResponseHeader("SingleValue", "value").build();