1 /* 2 * Copyright 2020 The JSpecify Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 import org.jspecify.annotations.NullMarked; 17 import org.jspecify.annotations.Nullable; 18 19 @NullMarked 20 class OverrideParametersThatAreTypeVariables { 21 interface Super<E extends @Nullable Object> { useE(E e)22 void useE(E e); 23 useF(F f)24 <F extends E> void useF(F f); 25 useLibE(Lib<E> e)26 void useLibE(Lib<E> e); 27 useLibF(Lib<F> f)28 <F extends E> void useLibF(Lib<F> f); 29 useArrayOfE(E[] e)30 void useArrayOfE(E[] e); 31 useArrayOfF(F[] f)32 <F extends E> void useArrayOfF(F[] f); 33 } 34 35 interface Sub<T extends @Nullable Object> extends Super<T> { 36 @Override useE(T e)37 void useE(T e); 38 39 @Override useF(U f)40 <U extends T> void useF(U f); 41 42 @Override useLibE(Lib<T> e)43 void useLibE(Lib<T> e); 44 45 @Override useLibF(Lib<U> f)46 <U extends T> void useLibF(Lib<U> f); 47 48 @Override useArrayOfE(T[] e)49 void useArrayOfE(T[] e); 50 51 @Override useArrayOfF(U[] f)52 <U extends T> void useArrayOfF(U[] f); 53 } 54 55 interface Lib<T extends @Nullable Object> {} 56 } 57