private int foo2() {
   if (SomeClass.test(true) == true) // Warning, not single-line if-statement
   return 4;
   return 0;
 }
 private int foo3() {
   if (SomeClass.test(true) == true) if (true) return 4; // Warning, complex block
   return 0;
 }
 private int foo1() {
   if (SomeClass.test(true) == true) return 4;
   int k = 3; // No warning if 'mAllowSingleLineIf' is true
   return 0;
 }