change signature: don't expand method reference if parameters/exceptions were not changed (IDEA-152116); support method rename through change signature

java/java-tests/testData/refactoring/changeSignature/RenameMethodUsedInMethodReference.java

@@ -0,0 +1,20 @@
+import java.util.ArrayList;
+import java.util.List;
+
+interface P {
+  boolean m(Integer i);
+}
+
+class A {
+  public static void print() {
+    List<Integer> someNumbers = A.returnAllNumbers(A::alwaysTrue);
+  }
+
+  private static List<Integer> returnAllNumbers(P predicate) {
+    return new ArrayList<>();
+  }
+
+  public static boolean alwa<caret>ysTrue(int a) {
+    return true;
+  }
+}