search for method implementations with correct substitutor

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/implementMethods/afterMultipleImplementationsAlreadyExist.java

@@ -0,0 +1,20 @@
+// "Implement method 'foo'" "true"
+
+abstract class A<T> {
+    abstract String foo(T t);
+}
+
+class B extends A<String> {
+
+    @Override
+    String foo(String s1) {
+        return null;
+    }
+}
+
+class ABC extends A<Integer> {
+    @Override
+    String foo(Integer integer) {
+        return null;
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/implementMethods/beforeMultipleImplementationsAlreadyExist.java

@@ -0,0 +1,15 @@
+// "Implement method 'foo'" "true"
+
+abstract class A<T> {
+    abstract String f<caret>oo(T t);
+}
+
+class B extends A<String> {
+
+    @Override
+    String foo(String s1) {
+        return null;
+    }
+}
+
+class ABC extends A<Integer> {}