IDEA-205846 Suggestion to use String.repeat where appropriate when using JDK 11

java/java-tests/testData/inspection/stringRepeat/afterRepeatDiff.java

@@ -0,0 +1,8 @@
+// "Replace with 'String.repeat()'" "true"
+class Test {
+  String spaces(int a, int b, int c, int d) {
+    StringBuilder sb = new StringBuilder();
+      sb.append(" ".repeat(Math.max(0, c - d - (a - b))));
+    return sb.toString();
+  }
+}