void () { myFixture.addClass("package org.junit.jupiter.params.provider;" + "public @interface EnumSource {" + " Class<? extends Enum<?>> value();" + " String[] names() default {};" + " Mode mode() default Mode.INCLUDE;" + " enum Mode {" + " INCLUDE," + " EXCLUDE," + " MATCH_ALL," + " MATCH_ANY }" + "}"); }