extract method suggester: unique parameter names (IDEA-152334); update output variables when suggester replaces the initial method

java/java-tests/testData/refactoring/extractMethod/SuggestChangeSignatureWithOutputVariables.java

@@ -0,0 +1,25 @@
+
+class Test {
+
+  private BigDecimal getRevenue() {
+    <selection>final String query = createNamedQuery("revenues");
+    String revenues = "";
+    final String revenue;
+    revenue = "a";
+    </selection>
+    return revenue;
+  }
+
+  public BigDecimal getExpense() {
+    final String query = createNamedQuery("expenses");
+    String expenses = "";
+    final String expense;
+    expense = "a";
+
+    return expense;
+  }
+
+  private String createNamedQuery(String expenses) {
+    return null;
+  }
+}

java/java-tests/testData/refactoring/extractMethod/SuggestChangeSignatureWithOutputVariables_after.java

@@ -0,0 +1,29 @@
+import org.jetbrains.annotations.NotNull;
+
+class Test {
+
+  private BigDecimal getRevenue() {
+      final String revenue = newMethod("revenues");
+    
+    return revenue;
+  }
+
+    @NotNull
+    private String newMethod(String revenues2) {
+        final String query = createNamedQuery(revenues2);
+        String revenues = "";
+        final String revenue;
+        revenue = "a";
+        return revenue;
+    }
+
+    public BigDecimal getExpense() {
+        final String expense = newMethod("expenses");
+
+    return expense;
+  }
+
+  private String createNamedQuery(String expenses) {
+    return null;
+  }
+}