@Test
  void expandMultipleParams() {
    assertThat(expand("/users/{user}/{repo}", mapOf("user", "unic???de", "repo", "foo")))
        .isEqualTo("/users/unic%3F%3F%3Fde/foo");
  }
Avoid depending on guava solely for map literals.
core/src/test/java/feign/RequestTemplateTest.java