@Test public void enumImplements() throws Exception {
  TypeSpec typeSpec = TypeSpec.enumBuilder("Food")
      .addSuperinterface(Serializable.class)
      .addSuperinterface(Cloneable.class)
      .addEnumConstant("LEAN_GROUND_BEEF")
      .addEnumConstant("SHREDDED_CHEESE")
      .build();
  assertThat(toString(typeSpec)).isEqualTo(""
      + "package com.squareup.tacos;\n"
      + "\n"
      + "import java.io.Serializable;\n"
      + "import java.lang.Cloneable;\n"
      + "\n"
      + "enum Food implements Serializable, Cloneable {\n"
      + "  LEAN_GROUND_BEEF,\n"
      + "\n"
      + "  SHREDDED_CHEESE\n"
      + "}\n");
}
 

public void dummy() {
    new Cloneable() {};
}