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import java.util.Map;
import org.checkerframework.checker.nullness.qual.*;
class MapLoop {
void test1(Map<String, String> map) {
for (Map.Entry<@KeyFor("map") String, String> entry : map.entrySet()) {}
}
void test2(Map<String, String> map) {
for (Map.Entry<? extends String, ? extends String> entry : map.entrySet()) {}
}
void test3(Map<String, @Nullable Object> map) {
for (Map.Entry<? extends String, @Nullable Object> entry : map.entrySet()) {}
for (Object val : map.values()) {}
}
}
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