public void swap() {
    if(this.ifFalse == null) {
      return;
    }

    final SFormsFastMapDirect tmp = this.ifTrue;
    this.ifTrue = this.ifFalse;
    this.ifFalse = tmp;
  }
Swaps the "ifTrue" and "ifFalse" maps.
src/org/jetbrains/java/decompiler/modules/decompiler/sforms/VarMapHolder.java